Which the following is NOT a requirement for natural selection to occur in a population? there must be differential reproductive success there must be variation in the population there must be only one allele for the trait in question the variation in the population must be heritable

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Study this image which statement best describes the rock shown check all that apply