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Lelu [443]
3 years ago
8

Describe 3 types of barriers that can cause population to become reproductively isolated from each other

Biology
2 answers:
mariarad [96]3 years ago
6 0
1. A mountain
2. A border
3. A ocean
Rzqust [24]3 years ago
5 0
<span>Behavioral barriers, geographic barriers and temporal barriers.
You can describe them based on those key words "Behavrioral, geographic and temporal".</span>
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What is codomaince? how does it affect the genotype?
Contact [7]

Answer:

In complete dominance, only one allele in the genotype is seen in the phenotype. In codominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.

Explanation:

:D

5 0
3 years ago
1. Photosynthesis and cellular respiration are often described in two ways: (1) They are chemically opposite; and (2) They have
SVEN [57.7K]

Answer:

Photosynthesis and cellular respiration are chemically opposite. The reactants of photosynthesis are energy, carbon dioxide (6CO2), and water (6H2O). The products of cellular respiration are energy, carbon dioxide, and water. The products of photosynthesis are glucose (C6H12O6) and oxygen (6O2), and the reactants of cellular respiration are glucose (C6H12O6) and oxygen (6O2). So, the processes' equations are chemically opposite. The relationship between photosynthesis and cellular respiration is such that the products of one system are the reactants of the other. Without photosynthesis, cellular respiration couldn't take place, and without cellular respiration, photosynthesis couldn't take place. It's like a cycle.

Explanation:

6 0
3 years ago
Estimate how much the brain would swell due to osmosis if the concentration of the cerebrospinal fluid fell to 280mM. In other w
AnnZ [28]

Answer:

The correct answer is 6.67 %.

Explanation:

The average osmotic pressure of the brain is 300 mM

Given the concentration of solution is 280 mM

Difference is 300 - 280 = 20 mM

This difference is sufficient to stimulate osmosis and make water move from CSF to the brain until the concentration becomes similar.  

Also, it is known that the volume of brain is about 1200 ml on an average,  

Volume of fluid moved because of osmosis = 20 mM / 300 mM * 1200 ml = 80 ml

Percent swelling of brain = 80 ml / 1200 ml * 100 = 6.67 %

6 0
3 years ago
Question is up there​
BaLLatris [955]

One of the difference is that fishes have single circulation but humans have double circulation of blood.

4 0
2 years ago
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A reflex is an unlearned, biologically determined behavior pattern common to all members of a species that predictably occurs wh
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The Answer is a. True
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3 years ago
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