Kate and janie are about to pour water into a beaker when they notice the beaker has a crack at the bottom. what should the students do with the beaker?

What is thought to have caused the mass extinction at the end of the cretaceous period?

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups