The skeleton provides a framework for ⇒ muscle and soft tissue attachment.
Name one organ protected by the ribcage. ⇒ Heart, lungs, liver
Blood is formed in the:
red bone marrow.Calcium is released and deposited in the bones and blood to maintain homeostasis. calcium, phosphorus, minerals, fat is stored in the bones.When muscles: ⇒ contract, the bones attached to them move.
What is the skeletal systemThe bony structure of the skeleton serves as a foundation for providing support and attaching soft tissues. The heart is safeguarded by the ribcage.
The bone marrow is responsible for producing blood. In order to keep the body in balance, calcium is discharged and stored in both the bloodstream and bones. The bones serve as a storage site for calcium. The movement and locomotion of the body occurs as a result of bones connected to contracting muscles.
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Recall what you know about the functions of the skeletal system to complete the following questions. The skeleton provides a framework for and soft tissue attachment. Name one organ protected by the ribcage. Blood is formed in the bone marrow. is released and deposited in the bones and blood to maintain homeostasis. is stored in the bones. When muscles , the bones attached to them move.
Part D Consider the results of each solution. Did any one solution work best? Could you combine or modify the solutions to develop a better method for removing the oil from the water?
In lungs there is definite exchange of ions between
RBC and plasma. Removal of CO₂ from blood involves
Yes, there is undoubtedly an ion exchange between plasma and red blood cells (RBCs) in the lungs. The elimination of carbon dioxide (CO2) from the blood depends on this exchange. The blood is transported to the lungs, where it is exposed to oxygen, when it becomes oxygen-depleted.
RBCs release protons and bicarbonate ions into the plasma when this oxygen attaches to the haemoglobin in the RBCs. As a result, the pH of the plasma rises, causing the plasma to release CO2 into the lungs' alveoli.
The CO2 is then expelled after diffusing out of the lungs. The pH of the RBCs also drops as a result of the release of protons and bicarbonate ions by the RBCs.As a result, the RBCs absorb oxygen from the lung's alveoli and discharge bicarbonate ions into the plasma. By doing so, the pH of the plasma is kept constant and the blood's CO2 levels are reduced.
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Nature overcomes some natural disasters such as when a flooded mangrove forest or a Burnt forest are reborn study the photos on the right and give examples of how an old ecosystem might be destroyed and make way for a different ecosystem
Which of the following is the largest sector in the field of floriculture?
potted plants
cut plants
annual bedding plants
foliage plants
Answer:
The largest sector in the field of floriculture is potted plants.
Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim
Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species
In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.
Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.
Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.
It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.
Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.
Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.
Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.
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5) The diagram below shows Earth in eight different positions in its orbit around the sun. Around each of Earth’s positions is a dashed circle representing the Moon’s orbit. (Criteria Aii) • For each of Earth’s positions (1–8), try to draw the Moon in a position on the dashed circle where a lunar eclipse could happen. • Then, check the boxes (below the diagram) for each position in which a lunar eclipse could happen.
1. Earth Position 1:
The Moon would be positioned on the opposite side of Earth from the Sun, within or near Earth's shadow. This configuration would result in a total lunar eclipse, where Earth blocks the sunlight from directly reaching the Moon.
2. Earth Position 2:
The Moon would be positioned on the same side of Earth as the Sun but aligned in a straight line with Earth and the Sun. In this case, the Moon would pass through Earth's shadow, resulting in a total lunar eclipse.
3. Earth Position 3:
The Moon would be positioned slightly to the right or left of Earth's shadow, but still within the range where it intersects with Earth's orbit. This position would cause a partial lunar eclipse, where only a portion of the Moon passes through Earth's shadow.
4. Earth Position 4:
Similar to Position 2, the Moon would be on the same side of Earth as the Sun but aligned in a straight line. However, it would be slightly above or below Earth's shadow, causing a penumbral lunar eclipse. In this type of eclipse, the Moon passes through Earth's penumbra, the outer part of the shadow where sunlight is only partially blocked.
5. Earth Position 5:
The Moon would be positioned on the opposite side of Earth from the Sun, within or near Earth's shadow. This configuration would result in another total lunar eclipse.
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Complete the following sentence.
Citrus______ is a bacteria that is highly infection to all citrus crops.
Answer:
Canker.
Explanation:
Citrus canker is a bacteria that is highly infectious to all citrus crops.
Hope this helps!
Select the soil-free ingredients that are fully non-organic in origin.
perlite
vermiculite
diatomite
sand
mineral wool
bark
peat
expanded clay
Answer:
perlite, vermiculite, diatomite, sand, mineral wool, and expanded clay are soil-free and fully non-organic in origin. Bark and peat are organic materials and are not fully non-organic.
if scientists found a fossil in the middle layer that was 2 million years old, would they think Earth was more or less than 2 million years
If scientists found a fossil in the middle layer that was 2 million years old, they would conclude that Earth is more than 2 million years old based on the presence of older rock layers and fossils in lower layers.
Fossils provide valuable evidence for dating the age of the Earth and its geological history.
The principle of superposition, a fundamental concept in geology, states that in undisturbed rock layers, the oldest rocks are found at the bottom, while the youngest rocks are found at the top.
By finding a 2 million-year-old fossil in the middle layer, scientists can infer that the lower layers, which were formed before the middle layer, are older than 2 million years. Additionally, the presence of upper layers, formed after the middle layer, would suggest that Earth's age exceeds 2 million years.
Scientists use various dating methods, including radiometric dating, to determine the age of rocks and fossils.
These techniques analyze the isotopic decay of certain elements present in the rocks or fossils to estimate their age.
Through these methods, scientists can establish a more accurate timeline of Earth's history, revealing an age far greater than the age of the specific fossil found in the middle layer.
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Why did biologists introduce the Texas puma into Florida?
Biologists introduced the Texas puma into Florida to address the declining population of native panthers.
Introduction of the Texas PumaThe Texas puma, also known as the Florida panther's closest relative, was introduced to increase genetic diversity and strengthen the population's resilience.
By introducing new individuals into the Florida panther population, biologists aimed to reduce the risks associated with inbreeding and enhance the long-term survival prospects of the species.
This effort sought to restore balance to the ecosystem and ensure the preservation of this iconic and endangered big cat species.
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6) The diagram below shows Kepler-47c in eight different positions in its orbit around Stars A and B. Around each of Kepler-47c’s positions is a dashed circle representing its moon’s orbit. (Criteria B(i))
• For each of Kepler-47c’s positions (1–8), try to draw its moon in a position on the dashed circle where a lunar eclipse could happen.
• Then, the boxes (below the diagram) for each position in which a lunar eclipse could happen.
Here are the eight different positions of Kepler-47c in its orbit around Stars A and B attached and shown at positions 2, 4, 6, and 8.
How to determine lunar eclipses?For each of Kepler-47c’s positions (1–8), its moon in the position on the dashed circle where a lunar eclipse could happen are positions 2, 4, 6, and 8.
A lunar eclipse can happen when the moon passes directly behind the Earth and is completely obscured from view. This can only happen when the moon is full, and when the Earth is between the moon and the sun. In the diagram, positions 2, 4, 6, and 8 all meet these criteria. In these positions, the moon is in the Earth’s shadow, and a lunar eclipse could happen.
In positions 1, 3, 5, and 7, the moon is not in the Earth’s shadow, and a lunar eclipse cannot happen. In these positions, the moon is either on the opposite side of the Earth from the sun, or it is in front of the sun.
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Take a look at tgis art piece of art
The cultures that created this form of art thought it important to pass the artwork on to future generations
What type of oceanic art is this considered to be?
A. Australian Art
B. Micronesian Art
C. Melanesian Art
D. Polynesian Art
Edmentum/Plato
The given art piece is considered to be Polynesian Art. So the correct option is option D.
Polynesia is divided into the East Polynesian and West Polynesian cultural groups. West Polynesian culture is characterized by a high population density. West Polynesia has strong marriage institutions and well-established judicial, monetary, and commercial customs. West Polynesia includes the groups, Tonga, Samoa, and Fiji.
People were artists and craftspeople of exceptional skill. Simple things like fish hooks would be made to exact specifications for various catches and embellished even when the embellishment wasn’t part of the purpose. Stone and wood weapons were seen as more powerful the more beautifully crafted and embellished they were. In many island groups, weaving was an integral part of their culture, and gift-giving of woven articles was a long-standing tradition.
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write the phenotype and genotype
Explanation:
The concepts of phenotype and genotype are related to genetics.
The phenotype is generally called the external appearance of the living thing, which is formed by the genetic information and environmental effects.
Genotype is the genetic information that an organism carries in its DNA.
For example; Character A is the favorite black color. a is the blue color character.
While the Aa display shows the individual with black eyes in the phenotype, the genotype is expressed as heterozygous dominant black eyes.
Which statement best explains why this extrusion volcanic rock does not have visible crystals?
Answer:
C is the correct option.
Explanation:
Which of the following is true of glass greenhouses??
used for reproducing mountainous conditions
used for limited purposes such as starting seeds
used for crops already planted in a field
used for public displays such as botanical gardens
Answer:
Glass greenhouses hold life's start. When conditions are just right, seeds grow.
B) used for limited purposes such as starting seedsExplanation:
Seeds awaken slowly; processes are bound to germinate; growth starts within.
The true purpose of glass greenhouses is that:
Glass greenhouses protect carefully produced plants. Plants are grown in greenhouses. A glass or plastic construction lets sunlight in and traps heat. Plants thrive in this warm, humid climate. Greenhouses lengthen the growing season, protect plants from severe weather, and boost food production. Seeds and cuttings germinate under favorable circumstances. This aids plant growth and reproduction. Glass greenhouses shelter and cultivate plants.
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Which of the following terms refers to a system in which plants are grown in tanks of non-circulating water, demanding regular evaluation of nutrient levels and health of tanks?
medium culture
static solution
solution culture
Hoagland solution
The system in which plants are grown in tanks of non-circulating water, demanding regular evaluation of nutrient levels and health of tanks is known as static solution culture.
What is static solution culture?Static solution culture, referred to as passive hydroponics or reservoir hydroponics, denotes a technique for cultivating plants devoid of soil. Within this approach, plants are upheld in a nutrient-abundant solution that perpetually permeates their roots.
Unlike active hydroponic systems that employ pumps to circulate the nutrient solution, static solution culture relies upon the innate capillary action and adeptness of the growing medium to furnish the plants with essential nutrients.
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Which of the following best validates why growers make use of greenhouses?
Responses
they reduce infection risk
they provide superior control of the growth environment
they reduce production costs
they provide crop production at a lower labor investment
Answer:
B They provide superior control of growth
With asexual reproduction is the genetic information the same or different?
Answer:
same
Explanation:
Asexual reproduction gives rise to two physically and genetically identical daughter cells. Thus, the genetic information remains the same.
In asexual reproduction, the daughter cells divide through the process of mitosis, which results in two daughter cells from one parent cell.
In mitosis, the chromosomes which are duplicated segregate into the two emerging cells around which then a nuclear membrane forms. In this case, there is no recombination by crossing-over or chiasmata formation that happens in the case of meiosis.
It is the recombination by crossing-over or chiasmata formation that results in varying genetic information.
Thus, as these processes do not happen in mitosis, genetic information remains the same.
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5. Differentiate between:
a. Scientific study and general study
Which of the following systems draws heat from the ceiling to specific areas in a green house?
forced air heat
convection tubes
radiant heat
fan ventilation
Convection tubes systems draws heat from the ceiling to specific areas in a green house.
What is a green house?A greenhouse is a structure that grants individuals the ability to control climatic factors, including temperature and humidity. Various architectural styles of greenhouses exist, but typically, these structures incorporate expansive surfaces composed of translucent materials to harness the radiance and warmth of the sun.
Among the prevalent transparent materials employed in the roofs and walls of contemporary greenhouses, one finds sturdy plastics crafted from polycarbonate, pliable films manufactured from polyethylene, or even glass panels. When sunlight permeates the interior of a greenhouse, the internal temperature ascends, providing a protective haven for plants against inclement cold.
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Assume you are looking for microorganisms in a tissue sample from a lung biopsy obtained from a patient sick with pneumonia. Microbes first become visible under the 40X high-dry lens, and can be seen in more detail under the 100X oil immersion lens. You determine that you are likely looking at bacterial cells.
Why is it unlikely that these are archaeal cells?
Why is not possible that these are viral particles?
Answer:
CRYSTAL SPRING COLLEGE will give you a great explanation located at Lekki - ibeju in eputu
CHAPTER 4
LESSON
2
READING TOOL Main Idea and Details As you read your textbook, identify the
main ideas and details or evidence that support the main ideas. Use the lesson
headings to organize the main ideas and details. Record your work in the table.
Two examples are entered for you.
Food Chains
Heading
Food Chains and Food Webs
Energy Flow in Ecosystems
Food Webs
• Food Chains Within Food Webs
• Decomposers and
Detritivores in Food Webs
Food Webs and Disturbance
Ecological Pyramids
Pyramids of Energy
Pyramids of Biomass Numbers
4 Chapter 4 Ecosystems
Main Idea
A food chain shows how
energy transfers through
feeding relationships.
Details/Evidence
On average, about 10% of the
energy is transferred from one
trophic level to the next.
Copyright © by Savvas Learning Company LLC. All Rights Reserved.
The main ideas and details for the lesson on food chains and food webs is attached below in a table.
What is Food Chains and Food Webs?A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. A food web is a more complex system of interconnected food chains.
In a food chain, each organism occupies a different trophic level. The first trophic level is made up of producers, which are organisms that can make their own food. The second trophic level is made up of primary consumers, which eat producers. The third trophic level is made up of secondary consumers, which eat primary consumers. The fourth trophic level is made up of tertiary consumers, which eat secondary consumers. And so on.
Food webs show how energy flows through an ecosystem more accurately than food chains. This is because food webs take into account the fact that organisms can eat more than one type of food. For example, a fox might eat rabbits, mice, and birds. This means that the fox is connected to three different food chains.
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Reason why the crow blood is black
The reason why the crow is black can be traced to the presence of melanin pigments poduced by cells known as melanocytes.
Why is the crow's back black in color?The reason that explains why the corw's back is black is the presence of melanin pigments produed by the cells in their skin, hair, and feather. In humans, these pigments are also responsible for the balck color of individuals.
The amount of melanin produced by the body can determine how dark a peron or animal appears. So, melanin os the causative factor for blackness.
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why practical sciences is often left out by teachers ?
Practical sciences are sometimes left out by teachers due to limited time and resources in educational institutions and may prioritize theoretical knowledge over practical application.
Additionally, practical sciences often require specialized equipment, facilities, or materials, which may not be readily available in schools. Moreover, teachers may feel more comfortable with traditional teaching methods and may lack the training or expertise to effectively integrate practical sciences into their curriculum.
Standardized tests and assessment frameworks that focus on theoretical concepts further discourage the inclusion of practical sciences. However, recognizing the importance of hands-on learning experiences, efforts should be made to bridge this gap and promote the integration of practical sciences into educational settings.
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Explain why greenhouse systems are preferred for leafy greens, seedlings, and flowers but are less often used for other crops.??
Greenhouse vegetables include tomatoes, capsicum, cucumbers, eggplants, etc. Pest control is best done with healthy seedlings and proper maintenance in greenhouses.
A greenhouse is a building made of a transparent material that allows natural light to enter. The main elements of a greenhouse, such as the structure, cover/glazing, and temperature control system, need to be designed correctly for the growth of plants.
The greenhouse effect is the name given to a number of crops that thrive in a greenhouse environment. These include salad greens, peppers, cucumbers, spinach, and tomatoes.
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Name two different types of organic compounds or molecules in the fruit juice
Two different types of organic compounds or molecules commonly found in fruit juice are carbohydrates and organic acids.
Fruit juice typically contains various types of carbohydrates, including simple sugars such as fructose and glucose. These carbohydrates provide sweetness and energy.
Fruit juice contains organic acids that contribute to its flavor and acidity. Examples of organic acids commonly found in fruit juice include citric acid (found in citrus fruits), malic acid (found in apples), and tartaric acid (found in grapes). These organic acids give fruit juice its characteristic tangy taste.
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question is the screenshot
The possibility that it would be red eyed would be 75%. Option D
What is the Punnet square?A Punnett square is a genetics tool used to forecast the potential allele combinations in the progeny of a cross between two individuals. It bears the name Reginald Punnett after the British geneticist who created it.
Each box in the Punnett square represents a potential combination of alleles from the parents, and it typically consists of a square grid with boxes. The top of the grid lists the alleles of one parent, and the left side lists the alleles of the other parent.
By the use of the Punnet square that we have shown in the image attached, we can see that the possibility of the white eyes would be 75%.
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2 page essay on what are the pros and cons of genectically modifying an organism and is it ethical to geneically modify an organism
Genetically modifying organisms (GMOs) has both pros and cons.
Pros: GMOs can be engineered to be more resistant to pests, diseases, and environmental conditions, leading to higher crop productivity and food security. They can be used to increase the nutrient content of crops, improving their nutritional value and addressing specific dietary deficiencies.
Cons: GMOs may have unintended ecological impacts, such as cross-pollination with wild relatives or the emergence of superweeds or pests resistant to the modified traits. Some individuals have concerns about the long-term health effects of consuming GMOs.
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heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp
Answer:
country B is more developed country
If the half life of an element was 430 years and you had 2000 atoms of this element, how long would it take to undergo complete radioactive decay? What year would it be when the element finished decaying?
part a.
it would take an estimated 2984 years for the element to undergo complete radioactive decay.
How do we calculate?N = N₀ * (1/2)[tex]^(^t ^/^ T^)[/tex]
N = final number of atoms remaining
N₀ = initial number of atoms
T = half-life of the element
0 = 2000 * (1/2)^(t / 430)
(1/2)^(t / 430) = 0
log₂((1/2)= log₂(0)
(t / 430) * log₂(1/2) = log₂(0)
0.01 = (1/2)^(t / 430)
log₂(0.01) = (t / 430) * log₂(1/2)
t = log₂(0.01) * 430 / log₂(1/2)
t = 2984 years
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