What impact do resources such as food, water, and shelter have on a forest ecosystem? A. They limit the carrying capacity of the ecosystem.
B. They increase the habitat areas for new organisms entering the ecosystem.
C. They decrease the number of diseases resulting from overpopulation.
D. They alter the rate of photosynthesis, resulting in more oxygen being produced.

PLEASE HURRY

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.

What is the most appropriate method of gaining weight (muscle mass)

People with one sickle cell allele are not likely to get malaria. what is this an example of?