This connective tissue is made of hard calcified matrix and stores calcium and other minerals.

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.

The tubes transporting minerals and water upward are called ?

The cluster of developing cells from conception until birth is called an