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

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

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i don't know. if i were you, i would search it up online : d

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .