Which discovery was essential to the concept that all life forms have cells as basic units? Fungi, such as mushrooms and molds, get their nutrition primarily by

What statements describe a host organism?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false