When algae lives on a sloth, it is considered a mutual symbiotic relationship. why is this an example of mutualism?

The body is protected against harmful flu viruses by

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.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity