1. what method did theodor schwann use to verify his hypothesis that all living things are
composed of cells?
a. he tried to grow an organism from a single cell.
b. he studied literature on the development of cell theory.
c. he built a model of a cell he saw in one type of organism.
d. he used microscopes to examine the tissues of many different organisms.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides