What is the function of the anterior end of an earthworm

What are genotypes? what are phenotypes?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?