Complete the sentence.
removing just one species from a ecosystem

a. would have no effect, because it is just one species to many
b. would have little effect, unless it was a keystone species
c. would have a negative effect, unless it was an endangered species
d. would have a negative effect, especially if it was a keystone species

Building glycogen from glucose molecules is an example of what

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

If a grape were placed in a hypertonic solution what would happen and why?