Sperm whales an species maintain their populations close to carrying capacity .

a. r-selected
b. k-selected

What two fields of study provide the core information that is used to classify organisms?

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

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.