In which organisms is DDT MOST concentrated?

a. osprey
b. small fish
c. zooplankton
d. phytoplankton

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

Which describes the changes in the earths motion?