ecosystem interactions

What is predation?

• When an organism benefits from help of another organism
• When an organism hides away for a long period of time.
• When an organism eats another organism for energy.
• When a carnivore eats an herbivore.

What is a factor that can limit population growth?

• Space
• Food
• Temperature
• All of the above

How do populations grow?

• Exponentially
• Slowly
• Evenly
• Out of control

What is an example of a herbivore?

• Black bear
• Fallow Deer
• Mountain Lion
• Badger

Would it be density independent or dependent if there was a huge fire in a forest ecosystem?

• Independent
• Dependent
• Neither
• All of the above

What does ecosystem ecology measure?

• How organisms in the same species interact.
• How energy is moved around in an environment.
• How organisms in different species interact.
• How symbiotic relationships effect an environment.

What does ecosystem ecology measure?

• How organisms in the same species interact
• How energy is moved around in an environment.
• How organisms in different species interact
• How symbiotic relationships affect an environment

What could have happened if the population of squirrels decreased?

• Habitat desturction/ deforestation
• More births
• More food becomes available
• Predators die

_________________ is the role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

• Competitive exclusion
• Ecological niche
• Climax community
• Mimicry

How can we reduce the amount of toxins in the things we eat?

• Make ourselves lower on the food chain, so what eats us will eat more toxins than we do.
• Reduce the amount of pollution we create.
• Go vegan by only eating plants and don't eat anything that's ever consumed anything else.
• Start eating bugs and reverse the world back to the stone age to decrease our pollution amount.