The chemical breakdown of food is called
a. sensory digestions
b. chemical digestion
c. peripheral digestion
d. mechanical digestion

In the practice of science, this type of reasoning is used to develop explanations.

Who invented the first threshing machine

Which of the following effects does the recessive allele have in an organism which also displays a dominant allele? a. the recessive allele will turn into a dominant allele b. the gene will have a disorder c. the dominant allele will become recessive d. it has no effect