Which of the following is an example of a learned behavior?

a) birds competing for food in the feeder

b) birds singing to establish their territory

c) birds returning to a backyard bird feeder

d) birds scattering at the sight of a hawk

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna