Which describes organisms going into deep sleep for the winter? A. Birds migrating
B. Animals hibernating
C. Trees losing their leaves
D. Insects during metamorphosis

b

Explanation:

Animals hibernating is the answer

Explanation:

Hiberntion is when animals sleep for months in the cold winter

When animals hibernate, it is usually in the winter. They store food with them for when they wake up.

An example is squirrels which store acorns near them when they go to hibernate

Birds migrating is usually to lay eggs

Trees losing leaves is usually so that they can store their precious nutrients like glucose

Insects during metamorphosis is when they change form, eg from a caterpillar to a butterfly

what are the awnser choices? i mean, without choices, it is an incompleat

la transducción de señal ocurre cuando una molécula de señalización de fluido extracelular activa un receptor de superficie de la célula.