BIOLOGY HIGH SCHOOL

There aren't many animals at the top of the trophic levels

Answers

Answer 1
Answer: Organisms at a higher tropic level tend  to be fewer in population than ones below them

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Which of these germinal layers give rise to the digestive system, the circulatory system, and the nervous system?
A neuron transfers information in the form of an electrical impulse. is this True or False?
According to base-pairing rules for dna, adenine pairs with ___ and guanine pairs with ____
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The number of protons determines the _____. atomic number atomic mass atomic structure atomic charge

Describe the types of effects a DNA mutation
could have on the protein.

Answers

Answer:

Point mutations can cause serious changes to an organism if they change the way a protein works. A mutation in DNA alters the mRNA, which in turn can alter the amino acid chain. ... And a base substitution can also cause a silent mutation, in which the protein's function doesn't change at all.

what is the most common threat to the human body from an invading virus? b.acid will ferment in the digestive system c.viral reproduction will destroy one healthy cells d.muscle tone in the heart will be stimulated

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The most common threat to the human body from an invading virus would be "c.viral reproduction will destroy one healthy cells" although this is not always the case.

You have a chart that illustrates a series of species with their common ancestor. This chart is a A. gene pool.
B. fossil record.
C. cladogram.
D. five-kingdom system.

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The answer is C. Cladogram

The terms come from "clade" which refer to a group of individuals and their common ancestors

On the largest scale of cladogram, all living organism could be considered coming from the some ancestor. Because in the beginning of the world, before the mutation happened, we all come from a single cell organism

Hope this help you out

A hurricane destroyed all life forms on an island and washed away all the soil, leaving bare rock. In time, lichens grow in cracks in the rocks. What is occurring?The habitat is not recovering at all.

Primary succession is beginning.

Secondary succession is beginning.

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The answer is B. Primary succession is begining

Primary succession is occurring

Please answer ppl asap

Answers

Answer:

its an animal cell in concentrated solution

Which structure does a eukaryotic cell have that a prokaryotic cell does not have?

Answers

eukaryotic cells have a nucleus and prokaryotic cells do not.
membrane bound organelles
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What time period is called the Age of Mammals?
According to the biological species concept, for speciation to occur, _____. according to the biological species concept, for speciation to occur, _____. the number of chromosomes in the gene pool must change large numbers of genes that affect numerous phenotypic traits must change at least one gene, affecting at least one phenotypic trait, must change changes to centromere location or chromosome size must occur within the gene pool
The small intestine can work without the blank because that couldn't be broken down
Is alcohol broke down by the digestive system