Examlex
__________contain only one or two tree species, which means that they are much less biologically diverse and less sustainable than old-growth and second-growth forests.
Biologically Magnified
Refers to the process by which certain harmful substances, such as pesticides or heavy metals, increase in concentration as they move up the food chain.
DDT
Dichloro-diphenyl-trichloroethane, a synthetic pesticide known for its environmental persistence and effects on wildlife.
Parathion
A highly toxic organophosphate pesticide used to control insects in agricultural settings.
Crop Rotation
An agricultural practice of growing different types of crops in the same area in sequential seasons to improve soil health and reduce pests.
Q6: _ _ produces less CO<sub>2</sub>per unit energy
Q19: The transition zone between two ecosystems or
Q30: Insects are important as a sustainable source
Q32: The _ cycle requires millions of years.<br>A)
Q37: A small orchid plant that is found
Q65: Briefly describe the concept of functional diversity.
Q67: In the near future, the world is
Q68: The chemicals PCBs, arsenic, and lead are
Q87: A(n) _ is a toxic agent that
Q99: _ involves replacing a degraded ecosystem with