Daniel Nathans and Hamilton Smith who discover the Impermanence of Sexual Phenotypes as to the absolute statement.
Phenotypic sex is refer to an individual's sex as intent by their internal genitalia, expression of secondary sex attribute, and behavior.
The answer is variation, because the same species can vary in color and sizes
The purpose of saliva serves in digestion is to breaks down complex carbohydrates. The correct option is (A).
<h3>What is saliva?</h3>
Saliva is a transparent liquid secreted by glands present in the mouth. Saliva is an important secretion for the digestion of food in the mouth.
It is made up of water and many digestive enzymes are present in the saliva, which help in digestion of complex carbohydrate like starch.
Thus, the correct option is A) breaks down complex carbohydrates.
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Answer:
Option (1), (3) and (5).
Explanation:
Positive feedback mechanism also exist in the environment that increases the causative effect of the environment. The environment can change the temperature, precipitation and other climatic conditions of the area.
The lack of moisture in Sahara desert and deforestation can cause the trees extinction. The temperature can be increased by the green house gases as the warm atmosphere causes evaporation. The snow gets melted due to increase in temperature and the ground becomes more darker.
Thus, the correct answer is option (1), (3) and (5).
