Which of the following statements about c3 carbon fixation is true? a. c3 carbon fixation is an adaptation for plants exposed to high light intensity. b. c3 carbon fixation occurs in more plants than c4 carbon fixation. c. c3 carbon fixation is more common in areas of high temperatures than c4 carbon fixation. d. c3 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided