What is shown by the widest block in a pyramid of numbers for a grassland ecosystem? A all the consumers in the pyramid
B the camivores in the pyramid
C the organisms at the top of the pyramid
D the producers in the pyramid

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

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 occupation did muhammad have before the first revelation