At some point in their life cycle, all chordates have a postanal tail, ______, hollow nerve cord, and ______.
At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
Chordates
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are;
Postanal tailNotochordhollow nerve cordPharyngeal slitsHence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
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The drawing shows the shapes of trees growing on their own and inside a forest. The trees are of the same species. Describe the differences between the tree growing on its own and the trees inside the forest. Suggest reasons for the differences you have described
Answer:
The trees inside the forest are taller and have less leaves than the tree on its own. You can also see the trees in the forest are deciduous and luscious, opposed to the tree shrub living on its own.
Match the terms from Unit 5 with their definitions.
Question 1 options:
Air masses meeting at boundaries which can produce severe weather.
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day.
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents.
Heat energy from the sun that travels through space and is absorbed by Earth.
Lines of equal pressure that show pressure patterns across an area on a weather map.
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place.
The atmosphere's most abundant gas.
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather.
Horizontal air movement due to the differences in air pressure.
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate.
1.
Latitude
2.
Troposphere
3.
Radiation
4.
Longitude
5.
Exosphere
6.
Conduction
7.
Air Masses
8.
Wind
9.
Weather
10.
Climate
11.
Fronts
12.
Oxygen
13.
Nitrogen
14.
Isobars
The correct terms and their definitions are correctly matched below about the earth and it's atmosphere.
The earth and it's atmosphereAir masses meeting at boundaries which can produce severe weather fronts. That is Fronts (11)
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day is called the weather. That is weather (9)
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents are called climates. That is climates (10)
Heat energy from the sun that travels through space and is absorbed by Earth is called radiation. That is radiation (3)
Lines of equal pressure that show pressure patterns across an area on a weather map are called Isobars. That is Isobars (14)
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place is called the troposphere. That is troposphere (2)
The atmosphere's most abundant gas is Nitrogen. That is Nitrogen (13)
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather is called the air masses. That is air masses (7)
Horizontal air movement due to the differences in air pressure is called wind. That is wind (8)
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate are called the Latitude. That is Latitude (1)
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fleas are insects but they do not have wings. suggest two features of fleas that would show that they should be classified as insects.
Answer:
Antennae and 6 legs
Explanation:
Which statement best describes the effect of color on energy absorption and reflection?
Light colors reflect more and absorb less than dark colors.
Light colors reflect less and absorb more than dark colors.
Light colors absorb and reflect more than dark colors.
Light colors absorb and reflect less than dark colors.
The answer is A) Light colors reflect more and absorb less than dark colors.
Because remember, white is the absence of color (reflect) and black is every color (absorbs) :D
Light colors reflect more and absorb less than dark colors. The correct option is A.
What is reflection?When two different media come together at an interface, a wavefront might change direction so that it returns to the first medium, which is known as reflection. The reflection of light, sound, and water waves are typical examples.
It is referred to as light reflection when a light ray hits a polished, smooth surface and bounces back. The incident light rays hit the surface and are reflected off of it.
The darker colours absorb more of the various light energy wavelengths, whereas white or light-colored objects reflect the majority of these wavelengths, which is why heat absorption depends on hue. As a result, black absorbs all light's wavelengths while reflecting none.
Thus, the correct option is A.
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Which statement best describes how organisms use DNA and amino acids to synthesize protein?
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
2 DNA is translated into mRNA, which is transcribed by the ribosome to produce an amino acid chain
3 Amino acids are transcribed into mRNA, which is translated into the nucleus to produce a molecule of DNA.
4 Amino acids are translated into mRNA, which is transcribed in the nucleus to produce a molecule of DNA.
Answer:
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
Explanation:
The steps of the process are always from DNA to mRNA to amino acids. This is because DNA can't travel out of the nucleus. So, DNA must be converted to mRNA to travel out of the nucleus. Only mRNA can leave the nucleus. The m in mRNA stands for messenger, so think of mRNA as the messenger from DNA to amino acids. Then the mRNA must be converted to amino acids to produce a protein.
So, options 3 and 4 are eliminated.
The process of DNA to mRNA is called Transcription. The act of transcription is called transcribing.
The process of mRNA to amino acid is called translation. The act of translation is translating.
The only option that fits this category is option 1.
What does the population pyramid look like of a rapidly growing country?
group of answer choices
it looks like an upside- down pyramid.
it looks like an upright pyramid with a broad base
it is narrow at the top, wide in the center, and narrow at the bottom
it is wide at the top, narrow in the center, and wide at the bottom
Please Help! Due in 5 minutes!
Which of the following areas would be the most suitable for species to survive a mass extinction event?
A. the continent of Asia
B. the country of Spain
C. the state of Florida
D. the Bay of Islands
Birds: Birds are the only dinosaurs to survive the mass extinction event 65 million years ago. Frogs & Salamanders: These seemingly delicate amphibians survived the extinction that wiped out larger animals. Lizards: These reptiles, distant relatives of dinosaurs, survived the extinction.
Answer:
It might be...B or C? I'm not sure.
Explanation:
If I had to guess I would pick...C but That's up to you!
I hope that helped in some kinda way!
Rex
The image below shows three different types of cells.
Which correctly identifies each cell?
Answer:
B.
Explanation:
Cell A has a cell wall, Cell B has no cell wall, and Cell C has a fungal cell wall.
Which of Mendel’s laws or principles state that gametes carry one allele for each trait?
good luck to your modules
Why are sunflowers planted in nuclear affected areas?.
Answer:
Sunflowers can take up high concentration of radioactive isotopes and sequester them in stems and leaves hence, they have been employed to clean up contaminated sites following nuclear disasters.
Explanation:
Explanation:
sunflowers were planted across the affected landscapes to help absorb toxic metals and radiation from the soil.
fill the diagram please
Answer:
1 head
2 neck
3 I am not sure yet
how would the feeding activities of a monkey be effected if it had a large heavy body
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If a monkey had a larger body# the double of its size#:1 to 2.4 kg which would become 2 to 5 kg. The food eaten by monkeys gives them almost 07 to 6.2 megajoules of energy, which would also double.,.
Explain the main differences and similarities between somatoform and conversion disorders.
The main difference between somatoform and conversion disorders is that somatoform is conveyed by physical symptoms while conversion disorder is expressed by mental condition.
What do you mean by Conversion disorder?Conversion disorder may be defined as a condition of mental illness where an individual is affected by blindness, paralysis, or other nervous system symptoms that cannot be explained by medical evaluation.
Somatoform affected the psychology of the affected individuals causing physical symptoms. It is also associated with mental illness. It is the similarity between both disorders.
Therefore, the main difference between somatoform and conversion disorders is that somatoform is conveyed by physical symptoms while conversion disorder is expressed by mental condition.
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Which is required for all organisms to survive?
Question 1 options:
Carbon dioxide
Water
Sunlight
Blood
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For a Normal living organism to survive, each of the above necessities are important.
Therefore, we can say : it's All of these
1. what is the pattern of expression for autosomal genes?
2. what are the patterns of expression for s3x-linked genes?
Which of the following is most likely to cause a change in the genetic traits in an isolated population of a ground-dwelling lizard species?
The exposure of an individual lizard in the population to radiation that causes a mutation that is not passed on to its offspring.
An unusually dry summer in the lizard population's ecosystem.
The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
A fast-moving wildfire that burns the canopy of the trees in the lizard population's ecosystem.
The answer would be: C - The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
The arrival of an invading predator that targets the lizard population's individuals with the most vibrant colors. Thus, option C is correct.
What is an invasive predator?
Invasive species pose one of the largest problems for natural creatures. About 42% of species that are vulnerable to extinction or endangered are threatened by invasive species.
Invasive species may pose harm to the economy and human health. Each year, invading species has severe negative effects on our economic and natural ecosystems.
An invasive species is any living creature that is not naturally present in an ecosystem and endangers it, including plants, mammals (like the cane toad), insects, fish, fungi, and germs.
Therefore, The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
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Please somebody help me!
The scissor kick is the most efficient kick while treading water
Question 3 options:
True or false
Answer: False
Explanation: I took the quiz, and it was the right answer.
Answer:
false
Explanation:
An astronomer notices increased chances of solar energetic particles in the ionosphere. Who should be notified of this possibility? Select the two correct answers. (1 point)
engineers who control power systems to cities in the affected area
flight operations officers who devise airline flight planes
scientists who are responsible for tracking and maneuvering satellites
computer technicians trying to charge several new computers at a warehouse
You must be notified of this engineers who control power systems for cities in the affected area and scientists responsible for tracking and maneuvering satellites.
What is a solar storm and a solar flare?The sun is a gigantic thermonuclear reactor that eventually fires huge amounts of concentrated radiation in the form of particles in a constant stream called the "solar wind".
A geomagnetic storm can last just a few minutes, or several hours, but the effects of geomagnetic storms can linger in the Earth's magnetosphere and atmosphere for days to weeks. The storm also results in a rapid drop in the strength of Earth's magnetosphere for a period of between 6 and 12 hours. Then the magnetic field gradually recovers over a few days.
Whit this information, we can conclude that you must be notified of this engineers who control power systems for cities in the affected area and scientists responsible for tracking and maneuvering satellites.
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osmotic potential definition
Answer:
osmotic potential (OP value) a measure of the tendency of a solution to withdraw water from pure water by OSMOSIS across a differentially permeable membrane. Pure water has an osmotic potential of zero at one-atmosphere pressure
Explanation.
This is an organism that relies on other organisms for its food and energy supply also called a heterotroph
Answer:
Consumer
Explanation:
This is because comsumers rely on eating other organisms for energy. They "consume" other organisms, which is where the name comes from.
How does the structure of a muscle cell relate to its function?
Answer:
A single muscle cell is elongated and has a large number of myofibrils. Muscle contraction is performed by thin strands of the proteins actin and myosin. Muscle flexing is made possible by the elongated form of muscle cells, which permits contraction proteins to line up in an overlapping manner.
In roan cattle, red (R) and white (W) are codominant. Heterozygous individuals produce both red and white hairs, known as roan. When two roan cattle are crossed, what are the phenotypic ratios of the offspring
Answer:
1:2:1
Explanation:
To get the phenotypic ratios, first you must figure out the genotype results of the cross. If the two cattle both have RW, then you get 25% RR, 50% RW, and 25% WW.
This means you have 1 fully red cattle, 2 roan cattle, and 1 fully white cattle, or just simplified as 1 (red) : 2 (roan) : 1 white.
The ratio of red to white is 1:1, and the ratio of roan to non-roan is 2:1, which gives the phenotypic ratio of 1:2:1 for red:roan:white.
What is co-dominance ?Codominance is a type of genetic inheritance in which both alleles of a gene are expressed equally in the phenotype of a heterozygous individual. This means that neither allele is dominant or recessive, and both contribute to the observable traits of the organism
When two roan cattle (Rr x Rr) are crossed, the possible genotypes of their offspring are RR, Rr, and rr. The phenotypic ratios of the offspring will be:
25% red (RR)
50% roan (Rr)
25% white (rr)
This is because both red and white alleles are codominant, meaning they are expressed equally in the heterozygous state (Rr) and produce the roan phenotype. The ratio of red to white is 1:1, and the ratio of roan to non-roan is 2:1, which gives the phenotypic ratio of 1:2:1 for red:roan:white.
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What is the purpose of a checkpoint in the cell cycle.
Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed:.
We can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
What are vestigial features?These can be thought of as features that belonged to ancestors of a specific species and are no longer needed, and thus have been reduced to functionless vestiges through many generations of evolution. The appendix is one such example in humans.
Therefore, we can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
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One naturalist thought he saw a "black lava flow" on Fernandina. What did he actually see?
Answer:
orange lava
Explanation:
What are the roles of at least 3 minerals in the soil which is essential for the process of photosynthesis
probably water, carbon dioxide because they are important inorder to begin the process of photosynthesei
If a ballon uses heat as energy to rise, how do you think it is able to come back down to the ground? Where does the energy go?
Answer:
I think the heat cools and the bloon is brought back down
Explanation:
hope this helps
Mendel conducted his most memorable experiments on:.
Answer:
Peas
Explanation:
Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.
