Big Idea 4

3) biome: This is a still freshwater biome. A biome is a large area where organisms can form a community. This particular biome holds frogs, fish, insects, birds, rabbits, etc.

3) biome: This biome is a grassland biome. It has rabbits, birds, insects, skunks, etc.

3) biome: This is a moving freshwater biome or a river biome. It is a home to many fish, insects, frogs, lizards, etc.

3) biome: This is a forest biome and is home to owls, birds of prey, rabbits, raccoons, squirrels, etc.

11) K-strategist: A K-strategist is an organism that doesn't reproduce a lot, but when it does, it creates few but large offspring. Examples include humans, elephants, and oak trees. This is an oak tree.

13) niche: A niche is when an animal affects the environment by its way of life. For example, this is a bird's nest in a tree. The nest changes the environment by being added to the tree and the bird made it.

14) Organisms on different levels of same food chain: This grass is a primary producer, the first level on most food chains.

14) Organisms on different levels of same food chain: These crickets are primary consumers and eat mostly grass and other vegetation.

14) Organisms on different levels of same food chain: This bullfrog is a secondary consumer and eats small insects including crickets.

14) Organisms on different levels of same food chain: This snake is a tertiary consumer and has the widest variety in its diet. It eats many small mammals and other reptiles and amphibians.