Assuming that this is a healthy ecosystem, which of the following organisms would you expect to have the smallest population?
coyote cougar
squirrel
mouse
deer
grass
acorns
mushrooms
o
A. Deer
B. Coyote
C. Cougar
D. Grass

Which experiment would most likely contain experimental bias ?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.