Which abiotic factors strongly determine the variety of organisms that are supported by a biome?

temperature and precipitation

soil type and wind

soil type and temperature

precipitation and amount of sunlight

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above