Which of the following is an example of a learned response in animal behavior? a. a spider spins a web.
b. a beaver builds a dam.
c. a bear fishes for salmon in a river.
d. a goose migrates south for the winter.

ocean expansion, global warming is melting icebergs and causing water levels to rise.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

answer///triple meter;

answerclassical conditioning;