Competition between organisms and populations results from which of the following combination of factors?
a. Genetic diversity, limited reproduction, and specialized diet.

b. Poor adaptations, specialized needs, and low birthrate.

c. Geographic isolation, reproductive success, and mutation.

d. Similar needs, limited resources, and overlapping ranges.
Item at position 2

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

b brown mice / white sand dunes

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

paper covers rock.

explanation:

rock only smashes scissors.