The Earth’s orbit around the sun is perfectly circular

True
False

False

Explanation: A perfectly circular orbit would mean that the earth is always the same distance from the sun

Earth's orbit is not a perfect circle

Explanation:

Earth's orbit is not a perfect circle. It is elliptical, or slightly oval-shaped. This means there is one point in the orbit where Earth is closest to the Sun, and another where Earth is farthest from the Sun. The closest point occurs in early January, and the far point happens in early July

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.