1. explain why water conservation is important.
2. using water more efficiently
a.
protects the environment
b.
causes the loss of natural pollution filters
c.
increases water contamination
d.
all of the above

Variety of living organisms; includes genetic, species, and ecological types.

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body