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RideAnS [48]
3 years ago
6

How many percentage of calcium is an adult human being ​

Biology
1 answer:
Aleks [24]3 years ago
4 0

Answer:

99% is found in teeth and bones

Explanation:

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Which structure provides the best surface for diffusion?
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➷ The structure that provides the best surface for diffusion to occur is the bronchioles.

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The shape and mechanical properties of plant, yeast, and bacteria cells is established by a
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(d) Cell wall

Explanation:

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3 years ago
You are a biologist on a trip to an island in the South Pacific. While there, you are allowed to collect DNA samples from a loca
marshall27 [118]

Answer:

The options

a. sympatric speciation; vicariance

b. allopatric speciation; vicariance

c. sympatric speciation; dispersal

d. allopatric speciation; dispersal

The CORRECT ANSWER IS d.

d. allopatric speciation; dispersal

Explanation:

Allopatric speciation takes place either via dispersal, when some members of a species shifts it's habitat to a separate geographical area which leads to differentiation of the initial group into separate diverse varieties or species(as in our case study).

Allopatric speciation through dispersal could results in multiple speciation leading to an individual original species producing diverse new species; this occurrence is called adaptive radiation.

In some scenario, a population of an individual species disperses all over a region with each locating a separate niche or isolated habitat. In the course of time, the diverse demands of their just formed lifestyles causes multiple speciation events that comes from a singular species.

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