How do the benefits of natural change to ecosystems compare to the disadvantages?
a. the benefits are outweighed by the disadvantages.
b. the benefits outweigh the disadvantages.
c. the benefits are equal to the disadvantages.
d. there are no disadvantages to natural change in ecosystems.

Environmental differences within ecosystems are generally caused by

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?