Answer:
it needs somewhere comforatible
Explanation:
When they circle around they need to get that space soft and then they will lay down
A) gravitropism is how they "know"
There is no image or choices so what exactly do you want us to answer.
The patellar reflex can be defined as the kicking movement of the lower leg which occurs with a sudden twitch when the patellar tendon of a person is tapped. This patellar tendon is present below a person's kneecap. This reflex happens only when the leg is bended. It is impossible for patellar reflex to occur if the leg is straight as the quadriceps muscles are already contracted and a sudden kicking movement of the leg in such state could not be elicited. The patellar reflex protects the quadriceps from stretching too much.
They each contain chlorophyll that absorbs violet-blue light and reflects green light.