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2 years ago

What is a community?

1 answer:

7 0

Community, also called biological community, in biology, an interacting group of various species in a common location. For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.

So (B) is your answer

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For many generations, the following genotypic frequencies were observed in a large population of dinosaurs: 4 percent AA, 32 per

Usimov [2.4K]

Answer:

C) 19.7%

Explanation:

The new population distribution after climate change wiped out homozygous recessive dinosaurs is:

$AA = \frac{4}{4+32}=\frac{1}{9}$

$Aa = \frac{32}{4+32}=\frac{8}{9}$

The percentage of offspring of this new population that are homozygous recessive is given by:

$P(Aa\ x\ Aa) = \frac{8}{9} *\frac{8}{9} =\frac{64}{81} \\P(aa) = \frac{1}{4}\\P(Aa\ x\ Aa) \cap P(aa) = \frac{64}{81}*\frac{1}{4} =0.197=19.7\%\\$

19.7% of these newborn dinosaurs died

8 0

2 years ago

The major difference between starch, glycogen, and cellulose and their adjacent glucose subunits is the ________.

sveta [45]

Answer:

Starch is the storage form of glucose (energy) in plants and the glucose molecules are linked by alpha 1,4 glycosidic linkage.

Cellulose is a structural component of the plant cell wall and glucose molecules are linked by beta 1,4 glycosidic linkage.

Glycogen is the storage form of glucose (energy) in animals and glucose molecules are linked by alpha 1,6 glycosidic linkage.

Explanation:

All of these sugars are polysaccaride sugars containing large number of glucose subunits.

Starch is a polysaccharide extracted from agricultural raw materials. It contains amylose and amylopectin. Amylose is an un-branched chain polymer of D-glucose units while amylopectin is a branched chain polymer of D-glucose units.

Glycogen is the storage form of glucose in animals, It is stored in muscles and liver and it is a branched polysaccaride.

Cellulose is the storage form of glucose in plants and leaves.

8 0

2 years ago

Concerning skin color, which of these statements is not correctly matched?

lisov135 [29]

D- skin appears blue because of a lack of oxygen in the blood

3 0

2 years ago

In addition to the ABO system, humans have other blood groups, including the MN system. Individuals who have alleles for both M

Semenov [28]

Both show Codominance

7 0

2 years ago

the development of which type of microscope made it possible to create high-resolution three-dimensional images of living cells

enot [183]

Cryo-electron microscopy (cryo-EM), or electron cryomicroscopy, is a form of transmission electron microscopy (TEM) where the sample is studied at cryogenic temperatures (generally liquid-nitrogen temperatures). Cryo-EM is gaining popularity in structural biology.

I hope my answer has come to your help. God bless and have a nice day ahead!

7 0

2 years ago

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