What is species richness?
A. the number of species in a community
B. the population size of each species in a community
C. the combined total of all individuals of each species in an ecosystem
D. the different types of species in an ecosystem
A. the number of species in a community
B. the population size of each species in a community
C. the combined total of all individuals of each species in an ecosystem
D. the different types of species in an ecosystem