When water travels across the cell membrane through protein channels at a substantial rate, it is a type of

facilitated diffusion

passive transport

osmosis

active transport

An adult who follows a 2000-kcal healthy u.s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present

Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.