

(two words)
C -
A -
F -
O -
REVIEW: Drag words each that relate to either PLANTS or ANIMALS:
(hint: one of them goes in both so 4 for plant, and 3 for animal)
antibiotics
growth hormones
pesticides
eutrophication
bioaccumulation
fertilizer nutrients
PLANT
ANIMAL
REVIEW: When too much nutrients or fertilizer goes into the water, it causes:
REVIEW: When too much pesticide goes into the water, it causes _____ as it goes up the food chain:
REVIEW: A(n) ____ is an area in the ocean that contains no life
REVIEW: Some animals graze on native grasses on ____, which can be fenced or unfenced.
REVIEW: A small area where many animals are raised is called a ____.
REVIEW: ____ agriculture makes use of machines and fossil fuels
REVIEW: A(n) ____ is an example of a draft animal.
REVIEW: Heavy grazing by animals can cause ____ because it removes the nutrients.