11) any abiotic or biotic factor in an ecosystem that causes a population’s size to slow or decrease is a factor. a) growth b) limiting c) carrying d) density dependent

Which organ controls breathing? lungs alveoli heart diaphragm

Explain the significance of meiosis in sexual reproduction

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper