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.

Repetitive DNA elements a. may be tandem or spread across several chromosomes. b. are found in centromeres and telomeres. c. make up nearly half of human chromosomes. d. may be present as just a few or many thousands of copies. e.

Why do people always use drugs

1. The first organisms on Earth were mostly likely

How long is chronic kidney disease ckd "kidney stones" before you die?

Why is this organism able to spread so rapidly in its new ecosystem? (the organism is a zebra mussel)

In what way does the cardiovascular system affect the use of muscles? O A. The cardiovascular system sends messages across synapses. O B. The cardiovascular system provides calcium ions. O C.

What is a ecological succession

Surface currents are a result of all of the following except the moon's gravitational pull shape of the ocean basins global wind patterns Earth's rotation

Which does the work of the immune system? A. Enzymes B. Hormones C. Lymphocytes D. Neurons

How are soil conservation efforts related to water quality?