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postnew [5]
3 years ago
14

Bats share the same bones of the forelimb as humans, including a humerus, radius, ulna, wrist and hand bones, that they both inh

erited from a common ancestor. Though our arms and the arms of bats function differently ibats fly, and we do nott), the shared forelimb structure is an example of:
a. homology
b. phylogeny
c. analogy
d. systematics
Biology
1 answer:
Sever21 [200]3 years ago
8 0

Answer:

Homology is similarity due to shared ancestry between a pair of organisms in different taxa. Both bats and humans have a common mammalian ancestor.

They diverged and adapted their arms for different functions.

Explanation:

Homologous features are physical features shared due to evolutionary history (a common ancestor).

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What if plants no longer existed on Earth? How would your life be different?
Scrat [10]
You would probably be dead... Because plants are our main source of oxygen aaaand we need oxygen to live!
4 0
3 years ago
The length of linker DNA segments varies somewhat among organisms. The length of the linker DNA in sea urchin is 110 base pairs.
nasty-shy [4]

Answer:

362 nucleosomes

Explanation:

A nucleosome repeat is made up of the DNA (146 bp) wrapped around the core nucleosome particle and the linker DNA (110 bp as in this situation). We can conclude that, every repeat stands for 256 (146 + 110) base pairs of DNA.

We are given the length of the entire region to be 92,672 bp long,

To determine the number of nucleosomes to organize the region into the 10nm fiber structure

Let,

Number of nucleosomes =

the length of the entire region

------------------- -----

base pairs of DNA.

= 92,672

-------

256

= 362 nucleosomes

Therefore, 362 nucleosomes is needed to structure the region into the 10nm fiber structure.

5 0
3 years ago
what general type of plant food is produced by sunlight? protein, carbohydrates, amino acids, enzymes
BARSIC [14]
During photosynthesis, carbohydrates are produced.


Hope it helped,

Happy homework/ study/ exam!
4 0
3 years ago
In any DNA molecule, the number of guanine bases will:______.
lubasha [3.4K]

Answer:

E

Explanation:

In DNA molecule, the number of guanine bases will always be equal to the number of cytosine bases. Genuine make a triple hydrogen bond with cytosine. That's why the number of guanine bases is equal to cytosine bases.

6 0
3 years ago
Resource partitioning results in: a move from the realized niche to the fundamental niche for both species. individuals of each
bazaltina [42]

Answer:

a move from the fundamental niche to the realized niche for both species.

Explanation:

The niche of an organism is the functional role of the organism in the community or the ecosystem as a whole. This include the environment an organism lives and all the jobs it does in it.

Fundamental niche refers to all the possible functional roles of an organism in an ecosystem while realized niche refers to the specific roles the organism is limited to as a result of resource limitation, competition or other factors.

Resource partitioning involves the division of limited resources among organisms so as to avoid competition within the niche.

<em>Hence, resource partitioning causes a move from the fundamental niche of an organism to the realized  niche of that organism. </em>

7 0
3 years ago
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