Which of the following plants have swimming sperm a. ginkos b cykads c. both a and b d. none of the above

Amoeba sisters video recap pedigrees

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down