It is called death when you have to much carbon dioxide
Answer:
1. C
2. All cells of your body have the same DNA/genetic information but cell differentiation causes some genes to turn off and some to turn off. The activated genes are coded for which produce proteins and amino acids allowing cells to differentiate. E.g. Neurons and epithelial cell have same genetic information, however the genes coding for neurons in epithelial cells are turned off or deactivated which make them epithelial cells
A moutain life zone is basically a moutain ecosystem. Life zones are regions or places where plants and animals live. So, a moutain life zone will be like a moutain lion, or a moutain goat. "Animals and plants that live in that area is a life zone."
Hope this helps.
Ecosystem .. Just took the test !
No I think because snails need to use water to breath.
