2 Points

Biology

1 answer:

AveGali [126]3 years ago

5 0

Answer:

Option A

Explanation:

The endocrine system and the excretory system works hand in hand in maintained thé functions of the body and in this context that kidneys. The hypothalamus functions in monitoring the amount of electrolytes in the blood and an increase in this amount indicates dehydration among others, whose cause might be s a result of low water intake, too much sweat etc. Detecting this, the hypothalamus signals for the secretion of antidiuretic hormone which moves to the kidneys and stimulate the organ to reabsorb more water. This hormone is transferred to and released by the pituitary gland all these being part of the endocrine system.

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son4ous [18]

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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