The___is the male sex cell. It is produced in the ___. The test are held outside the body in a bag of skin called ___. This keeps the sperm at the right ___. The sperm travel up the ___where liquid are added from the ___ glands. The mixture is call ___. The semen flow out of the ___ through a tube called ___.

Why do bacteria thrive even in hostile environments

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.