While exploring a cave, a group of scientists encountered many abiotic and biotic factors. Which of the following factors is biotic?
F. Bacteria
G. Limestone
H. Minerals
J. Waterfall

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 type of specimens where you able to see under each of the microscopes in the microscope activity

Match each term to its best definition? sedimentary depositional enviornment