The Nitrogenous bases which are bonded together by Hydrogen bonds are known as "Complimentary base pairs"
Example. - Adenine with Thymine.
Also, Cytosine with Guanine
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Answer:
Two types of orientation behavior are as follows:
Taxis behavior:
This is a type of orientation behavior that mainly occur in response towards the external stimulus. Taxis may be positive (movement towards the stimulus) or negative ( movement away from the stimulus). Different types of taxis behavior are phototaxis, aerotaxis, chemotaxis and magnetotaxis.
Kinesis:
Kinesis may be defined as a type of orientation behavior that can change the complete movement or orientation of the organism. Kinesis is a random movement and organism can move in either direction. Different type of kinesis are klinokinesis and orthokinesis.
Your answer should be Excretion.
Answer:
Option B is correct
Explanation:
I am explain you in image
