This is when humans contribute to the destruction of an ecosystem.
What is a human effect on an ecosystem?
A network of food chains that have some links in common.
What is a food web?
A living thing in an ecosystem
What is a biotic factor?
a nonliving thing in an ecosystem
What is an abiotic factor?
Consider this food chain: acorns=> squirrels=> hawks Which of these is the producer?
What are the acorns?
How does the food chain start again after the decomposer does its' job? A) because the decomposer spreads the seeds B) because the decomposer must constantly stay busy to stay alive C) because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seeds that have been dispersed a good environment to reproduce D) because the decomposer does not totally break the organism down and some of the organism is still alive
What is C, because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seed that have been dispersed a good environment to reproduce?
an organism that lives in or on an organism of another species (its host) and benefits by taking nutrients away from it.
What is a parasite?