Two savanna communities both contain 15 plant species. in community a, each of the 15 species is represented by 20 individuals. in community b, 10 of the species are each represented by 12 individuals; the remaining 5 species are each represented by 3 individuals. which statement best describes the two communities? (a) community a has the same biodiversity as community b. (b) both communities have the same species evenness. (c) community b has a higher species richness. (d) community a has a higher species evenness. (e) community b has a lower species richness.

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Which law represents a balanced chemical equation?