If a plant closes its stomata, this means * it will become turgid
it loses water by transpiration
it can take in more oxygen for respiration
it cannot take in carbon dioxide for photosynthesis

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.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above