The diagram shows the changes in foot structure in a bird population over many generations. Time
Time
Present day
How can these changes best be explained?
A
extinction
В.
evolution
C
stable gene frequencies
D.
use and disuse

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

Interacting group of various species in a common location. for example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.

Non living: objects like rocks, buildings, and snow.living: animals, plants and humans.

Yes yes yes very good