Which statement best describes the movement of carbon dioxide into or out of a plant during photosynthesis?
O A. It is given off into the soil.
OB. It is given off into the air.
O C. It is taken in from the air.
O D. It is taken in from the soil. .

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy