After hormones reach cells, the cells send a chemical signal back to the gland. the signal alerts the gland to continue or two stop secreting hormones. what is this process called?

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

What do we call an individual that has inherited two identical alleles for the same trait? a. homozygous b. heterozygous c. monozzygous