2. Describe one way you could use this picture of South America and Africa to support the theory that the continents were once connected. *
Your answer

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Across of blue x blue (both heterozygous) would result in