1. C. prey-predator
2. A. competition between lizards and frogs for food
When there is uncontrolled cell growth, mutations can cause cancer because of increasing cell division rates.
As the cancer cells grow, a tumor can start to form.
Hope this helped!
ummm I'm so sorry but I don't know the answer to this one. maybe try looking it up? I'm sorry again.
<span>Two main characteristics that distinguish autotrophs from heterotrophs are:
A~ Autotrophs produce their own food by either chemosynthesis or photosynthesis. Heterotrophs do not produce their own food. Heterotrophs obtain their food by consuming autotrophs or heterotrophs.
B~ Autotrophs are at the primary level in a food chain and Heterotrophs are at the secondary level or tertiary level in a food chain.</span>
Yes the answer is B. chlorination