Answer:
The answer is D. The Greater number of spines provides some advantages to the fish.
A reasonable conclusion from this observation is the greater number of spines provides some advantages to the fish. The correct option is D).
What are fossil records?Paleontologists, archaeologists, and geologists use the fossil record to put major events and species in the correct geologic epoch. It is based on the Law of Superposition, which stipulates that the bottom layers in undisturbed rock sequences are older than the top layers.
Fossils give vital evidence for evolution and plant and animal adaption to their habitats. Fossil data documents how creatures evolved and how this process can be represented by a 'tree of life,' demonstrating that all species are connected to one another.
Therefore, the correct option is D) The greater number of spines provides some advantage to the fish.
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Which of these is a benefit of growing a crop that has been genetically modified to resist
insect pests?
O A. Pests can evolve to become resistant to the toxin produced by the modified
gene.
B. Farmers can grow the crop using fewer chemical pesticides than traditional
crops.
XO C. It will produce food that is more nutritious than that of traditional crops.
D. Its pollen can enter wild populations that serve as food for non-pest insects.
Answer:
B - farmers can grow the crop using fewer chemical pesticides
This is cooking class and I need your help please
1 - c
2 - c
3 - either a or c
4 - b
In the analogy of a cell as a city,
lysosomes could be thought of as...
A. a warehouse.
B. a police office.
C. a street sweeper.
Answer:
I think it's c.
Explanation:
The main function of lysosomes is to help with cell metabolism by ingesting and dissolving unwanted parts of the cell, cell debris, or foreign substances that have entered the cell. So, techinally a street sweeper has the same job as a lysosome since they are getting rid of unwanted stuff.
Which of the following processes describes how vegetation influences precipitation?
Answer: Transpiration
Which statements correctly describe a cell after meiosis I? Check all that apply.
Daughter cells are gametes and ready for fertilization.
Two daughter cells have been created from one parent cell.
Daughter cells are genetically identical to the parent cell and one another.
Daughter cells contain sister chromatids for half the chromosomes of the parent cell.
Daughter cells still need to go through another meiotic division to separate sister chromatids.
Answer:b,d,e
Explanation:
what are four different types of bases in DNA and how do they pair?
Answer:
Adenine, Thymine, Guanine, and Cytosine
They possess complimentary paring. Meaning the one will only bind another, and will not bind with and other one
Explanation:
DNA has four types of bases, such as adenine (A), guanine (G), cytosine (C), and thymine (T). Adenine forms double hydrogen bonds with thymine, while guanine forms triple hydrogen bonds with cytosine.
What is the composition of the DNA?
DNA is called deoxyribonucleic acid. It is a polymer of nucleotides. Each nucleotide is made up of a phosphate, a pentose sugar, and a nitrogenous base. In DNA, there are four types of nitrogenous bases, such as adenine (A), guanine (G), cytosine (C), and thymine (T).
Adenine and guanine are purines and double-ringed structures. Cytosine and thymine are pyrimidines and single-ringed structures. A purine forms a bond with a pyrimidine. Adenine (A) forms a double hydrogen bond with Thymine (T), and Guanine (G) forms triple hydrogen bonds with Cytosine(C).
Hence, in DNA, four nucleotides are found: adenine (A), guanine (G), cytosine (C), and thymine (T). Adenine pairs with thymine, while guanine pairs with cytosine.
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The water cycle allows water to move around the earth and be distributed in areas far from
where the water evaporates. What question best asks how this process occurs?
A. How does evaporation affect where clouds form and rain falls?
O B. How is condensation affected by transpiration from forests?
O C. How does precipitation affect the amount of runoff and infiltration?
O D. How does infiltration affect the amount of runoff and volume of
groundwater?
Answer:
its B
Explanation:
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"Superior vena cava carries completely digested substances"
How far the statement is correct ? With explanation.
Answer:
Yes.
Explanation:
As a blood vessel, Superior vena cava carries completely digested substances that is present in the blood from upper part of the body to the heart. Blood is a fluid that transport digested food from small intestine to other parts of the human body. It also carries oxygen from the lungs to the cells and also carries carbondioxide from the cells to lungs so we can say that Superior vena cava carries completely digested materials.
What occurs in photosystem 2? a. water is split into hydrogen and oxygen b. carbon dioxide is made into sugar c. NADP and ADP are burned for energy d. The dark reaction
PLEASE HELP!
Answer:
C
Explanation:
Name the four ways muscle strength can be measured and briefly describe each, In this ansignment, you will expand your knowledge of muncle structure and numction by exploring muscle strength and contraction. Then you will no what you learn to answer some follow up questions Read the article and use the information to anwer the following questions
Hii!! (: The correct answers are:
Absolute strength measures maximum force.
Dynamic strength measures repeated motions.
Elastic strength measures exertion of force rapidly.
Strength endurance measures fatigue resistance.
Muscle strength can be measured in four different ways: manual muscle testing, isokinetic testing, isometric testing, and dynamometry. Manual muscle testing involves the use of a hand-held dynamometer to measure the amount of force generated by a muscle contraction.
What is the use of this test ?This type of test is often used to assess the strength of a person’s muscles in order to diagnose any physical impairments or evaluate the effectiveness of a rehabilitation program.
Isokinetic testing is a type of testing that measures the amount of force generated by a muscle contraction at a constant speed. This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program.
Isometric testing is a type of testing that measures the amount of force generated by a muscle contraction when the muscle is held in a static position.
This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program. Finally, dynamometry is a type of testing that measures the amount of force generated by a muscle contraction when the muscle is actively contracting.
This type of test is often used to evaluate the strength of a muscle group or to measure the effects of a rehabilitation program. These four different methods of measuring muscle strength can provide valuable insight into the strength and function of a person’s muscles.
Hence, Manual muscle testing is the most commonly used method, as it is the most cost-effective and can provide quick results. Isokinetic, isometric, and dynamometry testing are more expensive and time consuming, but provide more detailed information about the strength and function of a person’s muscles.
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What would need to happen in order for you to maintain your immune cells throughout your lifetime?
Answer:
Immunity is one of the most concern topic of human health now a days. So, to maintain our immune cells throughout our lifetime, we can follow the following tips:
Eat a healthy diet: It is important to take nutrient-rich diet so that our immune system can fight against the disease causing bacteria or virus and keeps us healthy enough.
Get active: Regular exercise and keeping ourselves active keeps our muscles and body fit and provide energy to our immune cells.
Get plenty of sleep: Sleeping is one of the way to stay healthy but it should be limited. Its important to give rest to your body so for that its important to take 6 to 7 hrs of sleep per day.
Maintain body weight: overweight can weaken our immune cells, so important to maintain our body weight with physical activity and eating a healthy diet that will keep our immune cells throughout our lifetime.
Quit smoking and other harmful habits: Smoking makes our immune cells weak and slowly our body get prone to diseases. So, to keep immune cells healthy one should quit smoking.
What type of cell is cell D?
A) animal
B) bacterial
C) fungal
D) plant
Answer:
B. I believe sorry if wrong tho
Ill give brainliest... its currently 12:20 am and im too tired to re answer this "correctly". Please help a human out
Many pine trees grow in the taiga, the largest habitat in the world. Using credible sources, such as NASA, research the typical climate conditions in the taiga. Explain why the structure of pinecones helps ensure successful reproduction in the taiga.
NASA can research the typical climate condictions in the world. The structure of pinecones and what they are made of can be classified depending on the type of tree it came from. For example, moss and fungus that is found on the structure of the pinecone can be tested and can help ensure successful reproduction of the certain species. Finally, it can be reproduced depending on the environment the tree was raised in.
Which model shows how an image appears to a person when they look through a concave lens
Answer:
A
Explanation:
Object appears smaller to the eye
Model A shows how an image appears to a person when they look through a concave lens.
What is a concave lens?A concave lens is a type of optical lens that has a curved inward surface, causing light rays to diverge after passing through it. It is also sometimes called a diverging lens. The opposite of a concave lens is a convex lens, which has a curved outward surface and causes light rays to converge.
In optics, the shape of a lens determines how it affects the path of light rays passing through it. A concave lens spreads out light rays, making them diverge, and the resulting image is usually smaller, inverted, and appears to be located behind the lens. Concave lenses are often used in applications where it is necessary to reduce the size of an image, such as in microscopes, cameras, and other optical devices.
It's important to note that the properties of a concave lens depend on its size and shape, as well as the distance of the object from the lens and the type of light being used. By manipulating these parameters, engineers and scientists can design concave lenses with specific optical properties for different applications.
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In place of thymine, what does RNA use as a base
Please help
CAN SOMEONE HELP PLS (8th grade science)
Answer:
the answer A i think
Explanation:
answer these for brainlist and extra points!! ♥️
Explain with examples of each, how both physical and chemical weathering, along with erosion, can change Earth's surface.
Answer:
Both physical and chemical weathering, along with erosion, can change Earth's surface as physical weathering allows breakdown of rock into smaller pieces, these pieces can be move from one place to another through water, wind or ice (erosion), and when the smaller pieces will settle down at a place, rain water can react with the soil or smaller rock pieces to form rock minerals.
For example: Running water, wind, and rapid heating/cooling allows the rocks to break down into smaller pieces or grains (physical weathering), then the small grains are transported and settled away from the source area through wind or river (erosion), and at the end the surface area exposed to air for chemical weathering.
Where does most of the oxygen produced in photosynthesis
go?
Answer:
THE ATMOSPHERE
Explanation:
Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules
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Which type of agricultural trend characterized the Green Revolution?
A. Farmers stopped using industrialized farming techniques and began using
sustainable agriculture.
B. Farmers stopped growing traditional varieties and began growing genetically
modified crops.
C. Farmers stopped growing traditional varieties and began growing high-yield
varieties,
XO D. Farmers stopped using pesticides and began using organic farming
practices.

Answer:
C.Farmers stopped growing traditional varieties and began growing high-yield
will give another cookie if solved
Answer:
Oh this is Amplify! GREAT! Your answer is B.
Explanation:
Is mashing something a chemical change
Answer:
yes it is.... because the chemical has now changed it form
Explanation:
the concentration of carbon dioxide in the atmosphere has been increasing for many years, how might this increase affect photosynthesis
Answer:
the answer is
Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.Increasing the light intensity increases the rate of photosynthesis, until some other factor a limiting factor becomes in short supply. At very high light intensities,photosynthesis is slowed and then inhibited, but these light intensities do not occur in nature.
Explanation:
What type of system best. Defines planet earth
Answer:
While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal.
Explanation:
Students are observing an aquatic plant. They understand that the bubbles
they see rising from the cut stem of the plant are the gases produced
during photosynthesis. Which of the following observations provides the
best evidence that light is the source of energy for photosynthesis? *
Students are observing an aquatic plant, and from that, they get to know about the photosynthesis process and they observe that in the light of the sun, the bubbles intensify, and when the sun goes down, the bubbles lessen, that is the last option.
What is the significance of photosynthesis in aquatic plants?Photosynthesis takes place in plants, algae, and some bacteria, and they can make their own food using energy from sunlight and photosynthesis provides the energy source, which is the basis of the food chain. Photosynthesis is essential for regulating the Earth's climate, producing oxygen, and maintaining many important ecological cycles in ecosystems.
Hence, students are observing an aquatic plant, and from that, they get to know about the photosynthesis process and they observe that in the light of the sun, the bubbles intensify, and when the sun goes down, the bubbles lessen, that is the last option.
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help plz ASAP
Which of the following properties of carbon distinguishes it from all other elements?
A- Carbon has six protons in its nucleus
B- Carbon is a gray solid at room temperature
C- Carbon forms compounds with oxygen
D- Carbon can be found in Earth’s crust
Answer:
C. carbon forms compound with oxygen .
hope it helps ❤
The property of carbon is that it has six protons in its nucleus distinguishes it from all other elements. Hence. option A is correct.
What are the properties of carbon?The chemical element carbon has the atomic number six and the letter C assigned to it. It has a tetravalent atom, which means that four of its electrons can be used to create covalent chemical bonds. It is nonmetallic. The periodic table's group 14 includes it. The crust of the Earth contains 0.025 percent carbon.
When carbon atoms join together to form lengthy chains, this element can form. When carbon burns, it combines with oxygen to form CO2 (and sometimes carbon monoxide). The incomplete combustion of wood during the creation of charcoal results in a high-carbon product that can burn longer.
Different elements have different numbers of protons in their nucleus. Therefore, option A is correct.
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what is viscosity please answer
the state of being thick, sticky, and semifluid in consistency, due to internal friction.
Answer:
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Explanation:
Four substances are important for both photosynthesis and cellular respiration: oxygen, glucose, carbon dioxide, and water. What is the best explanation for how both processes use these substances?
Answer:
D. Photosynthesis uses carbon dioxide and water to make glucose and oxygen; respiration uses glucose and oxygen to make carbon dioxide and water.
Explanation:
Photosynthesis uses carbon dioxide and water to make glucose and oxygen; respiration uses glucose and oxygen to make carbon dioxide and water is the best explanation for how both processes use these substances
what is photosynthesis ?The process in which sunlight energy is used by plants, algae and certain bacteria convert them into chemical energy and starch called as photosynthesis.
Photosynthesis occur in chloroplast which has its own DNA, genes and hence can synthesize their own proteins, photosynthetic Pigments responsible for trapping sunlight present in chlorophyll pigment of chloroplast, like chlorophyll a, b and c.
Bacteria also have chlorophyll known as bacteriochlorophyll can absorb infrared rays, other pigments are Carotenoids which are yellow, orange or red-coloured pigments that absorb bluish-green light., Xanthophyll, Phycobilins.
plastids are found in the cytoplasm of eukaryotic photosynthetic organisms. They contain pigments and store nutrients. Plastids are of three types such as Leucoplast, Chromoplasts, Chloroplasts
Antennae is made up of 100 to 5000 pigment molecules that capture light energy from the sun in the form of photons, Reaction Centers where photosynthesis occur.
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Select the correct answers.
Identify the clean sources of energy.
Answer: Windmill, solar energy, and burning wood.
Explanation:
Why does our body cells require oxygen?
Explanation:
because without our cell will start dying
