Question 5 of 10 Which equation correctly represents the gravitational potential energy of a system? O A. GPE = 1 mV - ME B. GPE = ME - 1 mv ME O C. GPE = 5mv2 O D. GPE = ME + 1 m2 SUBMIT

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.

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system

Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.