Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor
Answer:
true
Explanation:i just know trust me
I believe the answer is B
1, as the energy comes from the sun, then plants get it through photosynthesis, and finally the consumers obtain the energy from consuming animals on a lower trophic level than themselves. energy cannot flow down the food chain, only up.
Answer:
i am fairly sure the last option isn't true.. i hope i'm correct
