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What is an amniote, and which animals on this tree are amniotes?
Answers
Amniotes are these animals such as reptiles and birds whose embryos have a membrane that surrounds them, as a protection, called amnion.
What are amniotes?They are an extensive group of animals such as reptiles, birds or mammals that have amnions during their embryonic phase.
The amnion is a fetal membrane that lines the chorion and delimits the amniotic cavity, that is, it is an internal membrane or closed sac that surrounds and protects the embryo.
Therefore, we can conclude that amniotes are these animals such as reptiles and birds whose embryos have a membrane that surrounds them, as a protection, called amnion.
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Related Questions
1.) Give an example of a substance with a high concentration of H+ ions
2.) Give an example of a substance with a low concentration of H+ ions
pls help me:( i’ll love u forever i promise<3
Answers
2.) Sodium Hydroxide
Answer:
1. Battery acid or an acidic solution. 2. Apple juice, baking soda, bleach etc :)
Explanation:
More acidic the solution the higher H+ vice versa.
what is the percentage of thymine in cow ?
Answers
Answer:
Together, adenine and thymine compose 70% of the segment. This means that 30% of the section is composed of guanine-cytosine pairs. Since these two bases will be equal in quantity, 15% of the DNA section will be cytosine bases.
Explanation:
Answer:
28% thymine in cows
Since 28% adenine and 22% guanine and 22% cytosine
where did the swine flu originate at in the Maryland County Fair?
Answers
Answer:
The 2009 swine H1N1 flu pandemic -- responsible for more than 17,000 deaths worldwide -- originated in pigs from a very small region in central Mexico, a research team is reporting
Explanation:
limiting factors operate when growth is exponential (true or faulse)
Answers
Answer:true
Explanation:
Please select the word in parentheses that fits the sentence:
A catalyst [weakens/strengthens] the bonds of the reactants [increasing/decreasing] the activation energy.
Answers
Answer:
Weakens and Lowers activation energy
Explanation:
Can someone help me? I don’t understand this.
A) How are traits inherited in this pedigree? (the one in the image)
B) What is your evidence?
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Answer:
dude bottom is right
Explanation:
I need help on this I am confused
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Answer:
I don't see the last image after the snake. Anyway, I would say C because the Snake would eat more Toads, so Snake population would increase.
What is the difference between abiotic and biotic?
Answers
Answer:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.
Explanation:
What is the difference between aerobic respiration and anerobic respiration?
1.) Aerobic respiration produces ATP, and anaerobic respiration does not.
2.) Anaerobic respiration produces ATP, and aerobic respiration does not.
3.) Anaerobic respiration uses oxygen, and aerobic respiration does not.
4.) Aerobic respiration uses oxygen, and anaerobic respiration does not.
Answers
Answer:
The difference is C
Anaerobic respiration uses oxygen, and aerobic respiration does not.
Explanation:
The difference between aerobic respiration and anaerobic respiration is that aerobic respiration uses oxygen, and anaerobic respiration does not. The correct answer is option 4.
Glycolysis is the first step in cellular respiration and can take place with or without oxygen.
Anaerobic respiration is cellular respiration that takes place without oxygen. Aerobic respiration is the type of cellular respiration that takes place when there is oxygen present. Aerobic respiration developed first, then anaerobic.
During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilize. As byproducts, carbon dioxide and water are produced.
Without oxygen, organisms must manufacture ATP by anaerobic respiration, which yields just two ATP molecules for every glucose molecule. Anaerobic respiration has the advantage of producing ATP relatively quickly despite producing less of it.
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Answers
Answer:
An important term in genetics that was not used by Mendel was the word "gene", a particle of the chromosome responsible for the traits of a living being. The molecule discovered by Oswald Avery - related to genes and inheritance - was DNA, a discovery he made in 1944.
Explanation:
Despite being considered the father of genetics and providing important information about the inheritance of traits, Mendel did not go so far as to use the term "gene," which is where the alleles responsible for those traits reside. The term "gene" was first used by another botanist, Wilhelm Johanssen, who in 1909 proposed the use of the word gene as the name of the particle responsible for inheritance.
In 1944, the Canadian physician Oswald Avery, faced with the mistaken belief that genes were found in proteins, proposed an experiment where he discovered that the molecule responsible for heredity was deoxyribonucleic acid, or DNA.
Which of the following passages has the most objective tone?
A
Do you know about the brave dogs in Nome, Alaska, who saved the town in 1925?
B
The people of Nome, Alaska were in big trouble in 1925. It was up to the dogs to save them.
C
The hero dogs in Nome, Alaska, did what no pilot could do: they brought medicine to the town.
D
In 1925, people were sick and planes couldn't land in Nome, Alaska. Teams of dogs delivered the medicine.
Answers
Answer: in 1925, people were sick and planes couldn’t land in nome, Alaska. Teams of dogs delivered the medicine
Explanation: I got it right on a quiz
In 1925, people were sick and planes couldn’t land in Nome, Alaska. Teams of dogs delivered the medicine has the most objective tone. Thus, the correct option is D.
What is the objective tone?Objective tone is an impartial tone. This tone does not show any kind of feelings for or against a topic which therefore, is an unbiased or neutral feeling. The objective tone often uses higher level words and avoids pronouns such as I and you in the sentences, creating a type of formal tone. Subjective tone is a personal, biased, emotional, and often informal kind of tone.
Objective tone refers to an impersonal style of writing, which gives us the information about something however it does not include any information about the writer. So, a sentence like this: "In 1925, people were sick and planes couldn't land in Nome, Alaska. Teams of dogs delivered the medicine" is of the objective tone, Because it just tells us a fact.
Therefore, the correct option is D.
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A truck carrying fertilizer crashed near a stream within a few miles from this karst feature. The fertilizer spilled into the stream and was carried towards the sink hole. What effect will this have on the karst aquifer? Would you want to drink water from this aquifer?
Answers
Answer:
Eutrophication effect
Explanation:
The term eutrophication refers to the enrichment of surface water with nutrients. This process is related to human pollution activities.
Eutrophication is the biological process that generates in water by an oversupply of nutrients or organic matter. This matter, mainly compounded with nitrogen or phosphorous, favors the multiplication of phytoplankton (microscopic plants growing on the water surface) and other aquatic plants. This overgrowth leads to an enhance in primary productivity.
Little by little begin sedimentation, caused by the death of some vegetable organisms that sink in the bottom. These sediments rich in organic matter suffer decomposition in the presence of oxygen.
When oxygen disappears, anaerobic bacteria act and produce fermentation.
On the surface, plants and phytoplankton keep growing, creating a mantle that impedes the light to reach deeper areas. The overgrowth of phytoplankton on the water surface and the fermentation processes in the bottom originate toxic compounds that damage the animals. Animals die, creating more sediments in the bottom where there are anaerobic conditions. Decomposing processes and fermentation increases, producing a bad smell.
The result of eutrophication is the stratification of the water mass:
First superficial layer, the overgrowth of blue-green algae produce toxins and interrupt the pass of light to deeper areas. The surface then becomes warmer. The second layer might have oxygen available for the animals.In the third layer, there is no oxygen, so life is not possible for animals or plants.In the fourth layer, there are animals and plants remains in the process of sedimentation.At the bottom, there is organic matter and anaerobic bacteria that are in charge of decomposition and fermentation, also producing toxic gases and smell.
Which are characteristics of living things? Check all that apply.
A. have cells
B. use energy
C. reproduce
D. ligament
Answers
A. Have cells.
B. Use energy.
C. Reproduce.
Which of the following statements are true? (Select all that apply.)
Government health insurance plans are typically more expensive than private plans.
Private health insurance plans are typically more expensive than government plans.
Government health insurance plans target specific groups of patients, such as the elderly, veterans,
or children.
Private health insurance plans target specific groups of patients, such as the elderly, veterans, and
children
Answers
Answer:b and c
Explanation:
Edg 2020
The true statements are:
Government health insurance plans target specific groups of patients, such as the elderly, veterans, or children.
Private health insurance plans target specific groups of patients, such as the elderly, veterans, and children.
These sentences properly describe government and private health insurance. Medicare and Medicaid cover the elderly, low-income, and other categories. Insurance companies offer private health insurance plans to certain groups with varied coverage options and costs based on demographics and demands.
The question does not provide enough information to compare government and private health insurance costs. Coverage, geography, age, and individual circumstances affect costs. Thus, comparing government and private plan costs is inaccurate.
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Which of the following best explains why enzymes are necessary for many cellular reactions?
a.Enzymes supply the oxygen necessary for the reactions.
b.Enzymes change reactants from solids to liquids during the reactions.
c.The reactions take up too much space in the cell if the enzymes are missing.
d.The reactions are too slow to meet the needs of the cell if enzymes are mis
Answers
Answer:
C. The reactions take up too much space in the cell if the enzymes are missing.
Explanation:
Critical thinking : Do magnets need to touch a piece of iron or another magnet to exert a magnetic force on the iron or other magnet?
Answers
Answer:
I wouldn't think so because it is the magnetic field that Attracts and repels. When iron is magnetised to something don't the molecules lineup in the North the South pattern or something like that to create a magnetic field and stick together.
I might be wrong because this is my personal opinion on the matter.
Answer:
no because the magnetic force attracts the magnet or the iron to it
Explanation:
HELP FAST !!!!
A model of a biological process is shown. What is the purpose of this process?
a) to assemble nucleotides in an mRNA chain along a DNA template
b) to replicate the DNA of an organism before cell division
c) to synthesize amino acids used to unzip strands of DNA and copy the genetic code
d) to translate the genetic code into a specific sequence of amino acids
Answers
Answer:
The correct answer is - option D. to translate the genetic code into a specific sequence of amino acids
Explanation:
The given model in the figure is the process of translation during protein synthesis. The translation is the process that translates or converts the code carried from the nucleus by the process of transcription which is creating a complementary sequence of mRNA from DNA.
Translation completes in three basic stages initiation, elongation and termination. It is completed with ribosomes; a machine that builds peptide chain by binding mRNA bind to it, tRNA brings the correct amino acids to the ribosome to make peptide chain according to the mRNA code.
The purpose of the biological process shown in this model is: D. to translate the genetic code into a specific sequence of amino acids.
Gene expression in living organism is mainly controlled on two (2) main levels and these are:
Transcription.Translation.Translation can be defined as a biological process through which a genetic code from a sequence of messenger RNA (mRNA) molecule is decoded (translated) to a specific sequence of amino acids during the synthesis of protein.
Form the model, we can deduce that genetic code from a sequence of messenger RNA (mRNA) molecule are being translated into a specific sequence of amino acids.
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Which is a symbol that represents SI units for temperature?
°C
g
Ооос
L
Answers
Is made to represent a real object or system
Map
Chart
Table
Line graph
Model
Answers
can someone help me please
Answers
Answer:
J) Providing information to form proteins
Explanation:
Messenger RNA (mRNA) is the molecule that links genes to proteins. Efficient and smooth interactions of the molecules of life allow us humans to function well. ... This process is called gene expression.
Which of these disorders, in which blood does not clot normally, can a technician diagnose through genetic testing? A. malaria B. diabetes C. hemophilia D. rabies
Answers
Answer:
Hemophilia
Explanation:
Hemophilia is a disorder in which the blood fails to clot normally because it lacks enough blood-clotting proteins resulting in excessive bleeding from injuries. Other symptoms include:
Unexplained and excessive bleeding after surgeryLarge or deep bruisesPain or swelling in knees and jointsPresence of blood in urine or stoolBleeding into the brain which could sometimes occur from slight knocks to the headIt is a genetic disorder in that it occurs due to a defect in the genes. The disorder is located in the X chromosome found in females. Diagnosis is through genetic testing.
What is made possible by a high concentration of auxins in a plant's shoot and root
tips?
a) hydrotropism
b) thigmotropism
c) phototropism
d) gravitropism
Answers
Answer:
phototropism
Explanation:
Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). They are produced in the stem, buds, and root tips. ... This produces a curving of the plant stem tip toward the light, a plant movement known as phototropism. Auxin also plays a role in maintaining apical dominance.
Phototropism made possible by a high concentration of auxins in a plant's shoot and root
The correct answer is C
What does a plant's phototropism entail?A plant can maximize photosynthetic light absorption in the aerial portion and water and nutrient uptake in the roots by using phototropism, or the differential cell elongation displayed by a plant organ in response to directed blue light.
What occurs during phototropism?
Positive phototropism, or growing toward the light, is the term for how a plant stem reacts to light. A negative phototropism, or root growth away from the light, is the term used to describe how a plant root reacts to light.
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GOOD EVENING ,HELP ME PLEASSSEEE, ILL MARK YOU BRAINLIESTT
Answers
Answer:
1) Nerve cells process the info.
2) Nerve impulses send signals to the brain.
3) Brain processes the information.
4) Chemical stimulate odor receptors.
5) Oder receptors store memory.
6) Memory is stored!
A ball at rest starts rolling down a hill with a constant acceleration of 3.2 meters/second2. What is the final velocity of the ball after 6.0 seconds?
Answers
Answer:
19.2 meters/second^2 would be the correct answer.
Explanation:
Index fossils are the remains of species that existed on earth for relatively short periods of time. True or False? Why
Answers
Answer:
Depends
Explanation:
Because some animals or things that left fossils behind might have been there since the beggining of time and some just so happened to develp over time -like dinos im guessing.
What type of organism carries out photosynthesis?
A) autotroph
B) heterotroph
C) prokaryotes
D) eukaryotes
Answers
Answer: A) autotroph
Explanation:
Answer:
autotroph
Explanation:
Which is a disadvantage of asexual reproduction?
Answers
Answer: The major disadvantages of asexual reproduction are: Lack of diversity. Since the offsprings are genetically identical to the parent they are more susceptible to the same diseases and nutrient deficiencies as the parent. All the negative mutations persist for generations.
Hope this helps... Stay safe and have a great day/night!!!! :D
How do elephants contribute to the biodiversity of their environment?
WILL GIVE BRAINLIEST!!!!
Answers
Answer:
They are also keystone species, playing an important role in maintaining the biodiversity of the ecosystems in which they live. During the dry season, elephants use their tusks to dig for water. ... Wherever they live, elephants leave dung that is full of seeds from the many plants they eat.
Explanation:
Which of the following microscopes contains multiple objective lenses, creates a 2-dimensional image of the specimen being viewed, has a light source located below the specimen, and can be used to view both living and non-living specimens?
a dissecting microscope
a compound microscope
a scanning electron microscope
a transmission electron microscope
Answers
Answer:
I guess the answer is a scanning electron microscope
The microscope that contains multiple objective lenses, creates a 2-dimensional image of the specimen being viewed, has a light source located below the specimen, and can be used to view both living and non-living specimens is compound microscope. The correct option is B.
What is a compound microscope?Compound microscopes are a type of light microscope that uses a light beam to perceive samples.
The compound microscope does indeed have two ocular lenses as well as numerous objective lenses with varying magnification levels.
Based on the definition in this question, a compound microscope produces a two-dimensional image of the specimen under examination.
A compound microscope is customarily used to view samples at high magnification, which is accomplished through the combined effect of two sets of lenses: the ocular lens and the objective lenses.
Thus, the correct option is B.
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how do the villi and microvilli maximize the ability of the intestine to absorb nutrients?
Answers
Answer:The function of the plicae circulares, the villi, and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus transports nutrients to a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
Explanation: