Answer: plants such as trees convert carbon dioxide into oxygen, which gives the earth a constant supply of oxygen.
Explanation:
Answer:
B
Explanation:
Because tree diagrams are used to show species that share a common ancestor.
A polymerase chain reaction
Producers rely on light because that is what they use to "produce" food. Consumers, however, also rely on light, because first of all they need to see, and second of all, the light fuels growth of producers, which in turn, when consumers eat the producers, promote growth of other consumers.
Great question :)
