The names of the four spheres (lithosphere, atmosphere, hydrosphere, and biosphere) came from the greek words for
a. stone, air, water, and life.

b. earth, wind, water, and fire.

c. earth, air, rain, and life

d. rocks, air, sea, and life.

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.