If most animals have ears, then what do most animals have? Answer choices: - Social - no legs - fur - chlorplasts - photosynthesis - traits - ears - genes
ears

If mutations that lead to cancer usually occur in genes aiding in mitosis, then mutations that lead to cancer usually effect genes that aid in what? Answer choices: - illness - health - disease - blood transfer - chemotherapy - respiraration - mitosis - recovery
mitosis

If biomass is the total mass of organisms on the food chain, then what is biomass the total mass of? Answer choices: - remains of prehistoric life - nutrients - dead weight - organisms on the food chain - Microscopic organisms - h2o - sub-units of species - The number of individuals
organisms on the food chain