True or false ... is a theory an explanation of observable facts and phenomena?

The surface area to volume ratio defines what aspect of a cell

Whitch of the following statements are true? water is not a limited factor in an equatic ecosystem The soil quality in an ecosystem Does not matter as much as soil quantity Organisms in terrestrial depends on water to stay hydrated Population

The Prime Mover is a muscle doing the work. It is contracting and may be moving a bone (or structure.) True False

What do carbon hydrates and lipids have in common

Interactions between actin and myosin filaments of the sarcomere are responsible for

Which two strata of the epidermis are most susceptible to cancer?

What term best defines the process that occurs when nuclei combine to produce a nucleus with more mass? a. fusion b. fission c. anti-synthesis d. atomic recombination

Which of these is an advantage of wind energy? A. It reduces bird and bat populations. B. It generates noise pollution. c. It generates electricity. D. It increases greenhouse gas emissions.

a group of of scientists is studying the internal parts of a cell. which microscope is most appropraite for these scientist to use

Which of the following choices is a biotic factor in the ecosystem? sunlight, water, deer, soil