A normal body cell of a fruit fly contains eight chromosomes. Each normal gamete of this organism contains only four chromosomes, as a result of the process of

The part of a desired plant inserted into rootstock during grafting is called the

Plants that have reproductive structures called cones are?

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.