In a desert environment, the amount of plant growth is controlled by the amount of precipitation. In this case, precipitation is a(n) . limiting factor

biotic factor

carrying capacity

density-dependent factor

upper limit of tolerance

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer