The lowest level of a food pyramid contains ___________________ that carry out
autotrophic nutrition

In New York State, small farms that were abandoned
many years ago have become hardwood forests. This
is an example of

In order for an ecosystem to remain stable there must
be

Describe one abiotic factor in a marine ecosystem.

Name two herbivores

The removal of the predator populations from an
ecosystem would most likely result in

A stable ecosystem can have high biodiversity
because each species in that ecosystem

Rabbits produce large numbers of offspring during
each reproductive season, yet the number of rabbits
within a given population changes very little from
year to year. The stability of the population size is
most likely the result of

The hemlock wooly adelgid is an invasive insect
species that is destroying native hemlock trees in
New York State. These insects can upset natural
ecosystems because they

What role do decomposers play in a food web?

What organisms start all food chains (not the sun)

When an organism's population remains steady, this is called their

What is the primary source of energy in this
environment?

Describe competition in an ecosystem

Name a biotic factor in Flushing High School

Sharks are often followed by smaller fish that eat
some of the scraps from the organisms eaten by the
shark. These smaller fish are acting as

Finish the food chain.
Corn - Mouse - ________

_________ is lost as heat in energy pyramids

During its annual migration, the red knot, a
medium-size shorebird, flies the entire length of
North and South America. During one critical stop to
feed on the eggs of horseshoe crabs, the birds nearly
double their body mass. The relationship between
the red knot and the horseshoe crab is that of

Who is the greatest teacher of all time?

A finite resource in the environment that keeps a
population from steadily increasing is known as

Lions and hawks hunt and kill other living things
before eating them. Based on this mode of nutrition,
lions and hawks are classified as

Producers contain the lowest amount of energy in a food pyramid. True or False.

Identify one natural event that could cause the disruption of an ecosystem

Create a three organism food chain