Vocabulary
Something valuable or useful to a place or person
resource
How does a producer get its food.
From the sun.
Which of the following is NOT pollution?
car exhaust, boiling water, burning oil, chemicals, and vapors from a smokestack
boiling water
Would it be bad if tigers were extinct? Why or why not?
Yes, because their prey would become overpopulated and cause an imbalance in the ecosytem.
a living thing that feeds on dead plants or animals and in doing so, breaks them down
decomposer
A bird eating a worm is an example of what type of interaction?
living thing and living thing.
What does an herbivore eat?
Plants.
How can humans reduce pollution?
Recycling, reusing, and reducing waste.
What can cause population density to decrease?
migration, disease, lack of space, lack of resources-not enough food, predators, bad weather, human development.
ecology
How do earthworms help us when the interact with soil?
They decompose plant and other materials to give nutrients to soil.
What does a carnivore eat?
What do you call anything that harms the environment?
pollution
Can the human population continue to grow forever? Why or why not?
No, we would run out of resources.
the number of individuals of a species living in a specific area
populations density
bacteria, fungi, earthworms, slim molds, beetles, snails, slugs.
What does an omnivore eat?
plants and animals
What would happen if there were no decomposers?
Trash and dead materials would pile up and cover the earth.
Why are decomposers important members of the food web?
They break down waste and turn it into nutrients.
living things, especially animals, that feed on other living things in a food chain
consumers
What do you call ALL of the interactions together?
The web of life.
What does a decomposer eat?
Dead plants and other dead materials.
What do you call a thing that causes pollution?
A pollutant.
Name a type of scavenger.
Racoons, crows, vultures, hyenas