31)
sexual reproduction is an important piece of natural selection and survival of the fittest. in order for a population to survive over time it is critical that organisms reproduce sexually to ensure
a) immigration.
b) biodiversity.
c) genetic variability.
d) survival of the fittest.

How water is moving through the ecosystem ?

These are the components of the reservoirs of carbon that are exchanged in our environment.

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.