The food chain ?
Sun
Primary producers
Primary consumers
Secondary consumers
Tertiary consumers
I believe the answer is photon
Answer:
Due to urease activity, bacteria are able to use urea as a sole nitrogen source and produce ammonia, which increases the pH in the proximal environment, causing Ca2+ and CO32- to precipitate as CaCO3.
"Exponential growth" means that the bigger it is, the faster it grows.
That's Choice 'D'.
Answer:
adaptation is what's happening, and the moths changed color to adapt to the new environment.
because of the smoke, the light colored moths were easily spotted and eaten. but they changed color over time to account for that, turning black to make them harder to spot and eat.
