Which best describes the role of a primary consumer in a food web?

Group of answer choices

Carnivore that feeds on producers

Herbivore that feeds on producers

Herbivore that feeds on primary consumers

Carnivore that feeds on primary consumers

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament