Answer:
Plants.
Explanation:
Producers is an organism in an ecosystem that can make its own food. Plants use a process called "Photosynthesis" in order to make the food it needs to survive. Other organisms have to eat a different organism in order to survive,
Thus, the answer is (A)
Answer: D
Explanation: The answer is D because water is oxygen for the animals in the sea while wind is oxygen for plants.
Population growth is the increase in the number of people in a population
