Which means of particle transport requires input of energy from the call a) duffusion b) osmosis c) facilitated diffusion d) active transport

Which of the following statements are true? a. Our stomachs are about as acidic as our blood is basic. b. Our stomachs are about as basic as our blood is acidic. c. Our stomachs are far more acidic than our blood is basic d.

The movement of water from the roots to the leaves is best explained by

Which of the following is true? A. Some substances must be dissolved in water before they can be used. B. Water is more important to some organisms. C. All organisms obtain water through food. D. Plant cells are unaffected when water is scarce.

Which sentence describes air pollution

How do u think the breakup of pagnea affected greenlands cliimate

How are biomes related to ecosystems?

What is the term for the flexible material that forms the structure of the ear? A. Cartilage B. Obliques C. Spongy tissue D. Osteoblast

Suppose you remove your test cultures from the incubator and notice that one of them-a known fermenter-has a gas bubble in the Durham tube. Knowing that fermenters frequently produce gas, you ignore the bubble and proceed to the next step.

In peas, yellow seed color (y) is dominant to green seed color (y). which describes an organism that has nonidentical alleles for seed color? yy and has green seeds yy and has yellow seeds yy and has yellow seeds yy and has green seeds

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.