What is a thin piece of glass that is placed over the specimen on the microscope called?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Why do bacteria thrive even in hostile environments

Name one similarity and one difference between the morphology of a brachiopod and a bivalve