Which is the largest group of organisms that can interbreed?

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

What can happen to an enzyme as tempature rises