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sergeinik [125]
3 years ago
12

What characteristic of amphians necessitates that they live near water

Biology
1 answer:
Sonbull [250]3 years ago
5 0
They must live near water because their skin needs to absorb water and oxygen otherwise their skin dries out and they can die
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What organelles can only be found in animal cells?
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The lysosomes are the “garbage disposal” of animal cells , the same process takes place in plant cells in its vacuoles
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Matings between individuals from the two populations of Rhagoletis produce hybrid flies that appear to be healthy and have norma
Mama L [17]
<h2>The correct answer is : C.</h2>

Explanation:

  • According to the question, mating between two populations of Rhagoletis produce hybrid flies.
  • This means that the two population is present in the same habitat or locality, hence they are capable of coming in contact with each other and mate. Hence, the answer cannot be Habitat Isolation.
  • Mating produces hybrid flies. This is possible when the gametes (egg and sperm) of the two different populations are capable of capable of coming close to each other and undergoing fusion (fertilization). Hence, there is no Mechanical Isolation.
  • The zygote formed by the above fertilization is capable of developing into healthy hybrid flies with normal life span. Hence, Pre-zygotic Isolation is absent.
  • But the hybrid flies formed are sterile and not fertile, that is, they are incapable of producing viable gametes which can undergo fertilization and produce a new offspring.Therefore, the eggs laid by the hybrid flies hatch less often. Hence, there is existence of Reduced hybrid fertility.
8 0
3 years ago
Genetic modification of organisms in aquafarming
densk [106]
The answer would be B
6 0
2 years ago
Imagine that a zoo in Sri Lanka has started an elephant-breeding program. Zookeepers have introduced an Indian and Sri Lankan el
vampirchik [111]

Answer:

An enhanced offspring...

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The results can be different because of its theoretical basis. when two elephants of different kinds mate they produce an offspring that has adaptable qualities of both parents. Well, now-a-days this way of mating is not prefered by different elephant species.

4 0
3 years ago
Do you think the generalization that all organisms are composed of cells was established using controlled experiments or multipl
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The generalization that all organisms are composed of cells was established through multiple observations in various kinds of animals and plants. A controlled experiment of finding cells in all the kinds of living organisms is not possible or is infeasible as it will require prior knowledge of all the kinds of organisms inhabiting Earth and the effort to catch and bring them in the controlled environment of the lab for testing.

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3 years ago
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