Which substances fit together like a lock and key?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

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

He nfipa 704 system uses a numerical value between and to indicate the level of hazard for that particular chemical. a) 1; 100 b) 0; 4 c) 1; 20 d) 0; 9