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egoroff_w [7]
4 years ago
5

I can’t figure this out! Does anyone have a clue what the answer is ??!

Biology
1 answer:
adelina 88 [10]4 years ago
7 0

Answer:    point D

Explanation:

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Biotic factors of an ecosystem could include which of the following?
kondor19780726 [428]
<h3><u>Answer;</u></h3>

all types of plants  

all animal populations

<h3><u>Explanation</u>;</h3>
  • Biotic factors are the living components of an ecosystem and include organisms such as <u><em>producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.</em></u>
  • Abiotic factors on the other hand are the non-living parts of an environment. They include factors such a<em><u>s sunlight, temperature, wind, water, soil and naturally occurring events such as storms, fires and volcanic eruptions. </u></em>
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4 years ago
PLEASE WRITE IN OWN WORDS, HELP!
Lelechka [254]

Answer:

Evolution means change in the physical features of an organism.

Explanation:

Evolution means change in the physical features of an organism. Evolution occurs in the population of an organisms due to various factors such as mutation, non-random mating and natural selection. Nonrandom mating occurs when an organism prefer mating with particular superior organisms or with the similar organism. Mutation in the genetic makeup of an organism is also responsible evolution. this mutation occurs when an organism experience ultraviolet radiation from the sun, or also occur if an error in DNA during cell division. Gene flow is also known as gene migration is the transfer of genetic material or traits from one population to another when the organism is migrated to another environment. Some organisms are selected naturally because they have the potential to survive in that environment so they survive and that doesn't adopt itself to the environment, it will extinct from the environment.

8 0
3 years ago
Which of the following statements correctly identifies and describes the type of covalent bond found between
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Answer: O polar covalent bonds because oxygen is more electronegative than hydrogen

Explanation:

In the water molecule the two hydrogen atoms and one oxygen atoms forms the chemical structure in this the covalent bond is formed between hydrogen and oxygen and this is formed due to sharing of electrons between hydrogen and oxygen and oxygen being electronegative requires two electrons to complete its valency which are provided by two electrons each from one hydrogen and the O polar covalent bond is formed by this way.

7 0
3 years ago
In what way are all living organisms on earth similar
Nastasia [14]
Every organism needs to eat to gain energy
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c. Challenge: You are working with a neuronal cell line isolated from a human brain tumor. It appears to have a neuronal phenoty
umka21 [38]

Answer:

This process can be performed using immunofluorescence analysis via antibodies.

Explanation:

<u>To test for the hypothesis</u>

To test for the hypothesis we have to  analyze whether the neuronal phenotype is due to the binding of laminin to integrins, and this will enable us to determine which integrins are abundantly expressed on the neuronal cell membrane. This process can be performed using immunofluorescence analysis via antibodies

Finally when no differentiation markers are expressed in the laminin coated plates with mutant cells we can now say that it expresses  integrins

8 0
3 years ago
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