PLEASE IS DUE IN 5 minsss

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.

Classify the structures as homologous or analogous, depending on their structure and function.

Name the types of burns one can get and which structures of the integument are damaged