Gas exchange in cells is an example of a.) infusion b.)diffusion c.)mitosis

Biology

1 answer:

gtnhenbr [62]3 years ago

4 0

Answer:

b.) diffusion

Explanation:

Gas exchange is occur through the diffusion across the surface.

Diffusion:

It is a process in which gas exchange is occur through the concentration gradient. Gas molecules are moves from region of high concentration to the region of lower concentration.

Example:

In blood the concentration of oxygen is low and carbon dioxide is high while the air in lungs is high in oxygen concentration and low in carbon dioxide concentration. This concentration gradient leads to the exchange of gases in respiration. During respiration oxygen gas is intake while carbon dioxide is released.

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The common edible frog of Europe is a hybrid between two species, Rana lessonae and Rana ridibunda. The hybrids have a wide dist

Bond [772]

<h2>Postzygotic isolation </h2>

Explanation:

In the given information of edible frog both male and female hybrids exist, but when they mate among themselves, they cannot successfully produce offspring which defines that postzygotic isolation exists between the two frog species

Postzygotic isolation prevents the formation of fertile offspring
Before the postzygotic isolation can happen, there must be an offspring born from a male and female of two different species
This means there were no prezygotic isolations, such as the fitting together of the sex organs or incompatibility of the gametes or differences in mating rituals or locations, that kept the species in reproductive isolation
The offspring of two different species known as a hybrid is not always viable
Sometimes, they will self-abort before being born and other times, they will be sickly or weak as they develop