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maw [93]
3 years ago
12

Evolution is a change in a population over time and includes the gene pools of that population. How does biogeographic isolation

allow for the change of gene pools over time?
Biology
2 answers:
Usimov [2.4K]3 years ago
6 0
This allows for humans to breed in the same genes and have the same characteristics as the people in their geographic location for example how Asian people share common characteristics with Asian people. But they differ from European people. 
worty [1.4K]3 years ago
3 0
Biogeographic isolation affects the changes in gene pools that result from which organisms are breeding
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A group of small fish live in a lake with a uniformly light-brown sandy bottom. Most of the fish are light brown, but about 10%
goldfiish [28.3K]
<h2>Proportion of mottled fish </h2>

Explanation:

  • A predator can be defined as an organism that makes the other organisms die to obtain them as food. Prey is the living being which is typically inferior and killed by the predator. Adaptation is a change in the physiology, morphology and genetic makeup of the organism which makes it suitable for survival in an unfavorable environment. Natural selection is the differential survival and reproduction of the organisms which exhibit better traits over the others
  • The population of the mottled fish is likely to increase due to natural selection. As the mottled fish color pattern match with that of the mottled background of the bottom of the lake. This will help the mottled fishes to camouflage the predator wading birds. These mottled fishes will remain undetected from the predator wading birds. The trait of the mottled pattern will be adapted by the light sandy brown fishes and the trait will be passed on the next generation as well. Hence, the proposition of the mottled fish will increase
  • Hence, the right answer is "the proportion of mottled fish will increase over time"

8 0
3 years ago
Carrot slices placed in 0.2M salt solution for several hours becomes flaccid (limp). Carrot slices placed in freshwater for seve
Inga [223]

Answer: Option 4.

The fresh water is hypotonic and the salt solution is Hypertonic.

Explanation:

Hypotonic solution is a solution that have little dissolved solutes i.e low osmotic pressure compare to other solution. When a cell is put in hypotonic solution, it take in water and the cell swell up and it does not burst due to it's cell wall thereby becoming turgid or hard.

Hypertonic solution is the solution where the concentration of solute is higher outside the cell than inside the cell. Example is saline water.when a cell is placed in Hypertonic solution it will shrinks because it losses water.

8 0
3 years ago
Read 2 more answers
If the ancestral form for a particular lineage was aquatic and used gills for respiration, what changes would you expect to see
Marat540 [252]
<h2>The Respiration of Gills</h2>

Explanation:

  • A dominant part of aquatic animals like fish and prawns inhale through uncommon organs called gills.
  • The skin that help in utilizing oxygen broke up in water. which help in return of gases and Gills contain veins.
  • Amphibian life forms have a unique organ called gills, which permits them to inhale oxygen in the water.
  • The two sides of the pharynx (throat) by the Gills when the gases exchange in fish .
  • <em>Gills are tissues that resemble short strings, protein structures called fibers. </em>
  • These fibers have numerous capacities including the exchange of particles and water, just as the trading of <em>oxygen, carbon dioxide, acids and alkali.</em>
4 0
3 years ago
Why do ecosystems need a continual influx of new energy?
stepladder [879]
Yes they do just like we do
4 0
3 years ago
Which of the following is TRUE about DNA?
Arturiano [62]

Answer:

a. DNA carries instructions for the functions of every cell and enzyme in living organisms.

b. DNA can serve as a way to identify one individual from another.

Explanation:

Which of the following is TRUE about DNA?

a. DNA carries instructions for the functions of every cell and enzyme in living organisms.

b. DNA can serve as a way to identify one individual from another.

c. All living organisms can carry DNA in practically every cell of their body

8 0
3 years ago
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