1.)plants exhibit different types of responses to events that occur in the environment. which of the following is an example of a nastic response?
a. roots growing downward
b. vine tendrils growing around a fence
c. a venus flytrap snapping shut in response to touch
d. a house plant growing toward a window 2.)gibberellins cause plant growth by stimulating
a. mitosis
c. the storage of starch
b. cell elongation
d. photosynthesis

blah

explanation:

bc blah

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.