During an experiment if you purposely change the temperature to test a hypothesis the temperature is called what

Blood made up of red and white blood cells work together to form

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

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