What is the role of the nervous system in the body? A. To protect other organs and tissues
B. To send messages using blood cells
C. To gather and respond to information
D. To transport oxygen and carbon dioxide

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.

What are the characteristics of living things

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere