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Which statements describe the feeding interaction between bears and salmon? (Check ALL that apply)
The bear is the predator.
The salmon is the predator.
The bear is the prey.
The salmon is the prey.
If a dam built in the river causes salmon populations to decrease, the bear population will probably _____________.
If large groups of humans start fishing for salmon, the bear population may ___________________.
What does the direction of the arrows in a food web represent?
Direction of Energy Flow
Who eats who
Opposite direction of Energy Flow
In an energy pyramid, which level has the most energy available?
All living and nonliving parts of an environment found in a specific location is called a(n) ____________________.
Who are the primary consumers in this food web? (Check ALL that apply)
What is the organism called that gets its energy by breaking down dead things and returning the nutrients to the soil?
Name the producers in this food web.
grasshopper and rabbit
green fly and butterfly
berries and plantains
fox and buzzard
Which of the following organisms are herbivores (check all that apply).
Which of the following organisms are carnivores?
All the members of the same species that live in the same place at the same time is called a ______________.
The source of energy that supports all food webs on Earth is the _______________________________.
Bio-accumulation of pesticides happens when ___________
pesticide levels in organisms increase as you move up the energy pyramid.
pesticide levels in organisms decrease as you move up the energy pyramid.
you collect things such as plants or insects.