What is species richness?(1 point) the combined total of all individuals of each species in an ecosystem

the number of species in a community

the different types of species in an ecosystem

the population size of each species in a community

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid