Ecosystems Flashcards
What is an ecosystem?
What does biotic mean and what are some examples of biotic organisms?
What does abiotic mean and what are some examples of abiotic organisms?
What are small scale ecosystems defined as?
What are Global-scale ecosystems defined as?
What are Global-scale ecosystems referred to as?
What are producers?
What are consumers?
What are decomposers?
What’s the difference between a food chain and a food web?
Draw a food web for algae, microscopic plants, water flies, mayflies, sticklebacks, minnow, a poach and a heron.
What is nutrient cycling?
What are two examples of nutrients and what do they do?
What are the three main natural sources of these nutrients?
Draw a diagram to show how nutrients are transferred throughout an ecosystem.
Why can changing one aspect of an ecosystem affect the entire system? Give an example.
(BLURT QUESTION)
What are examples of sudden changes to an ecosystem and why does this affect the ecosystem more than a slow change to an ecosystem?
How does the introduction of disease affect an ecosystem?
How does extreme weather affect an ecosystem?
How does the introduction of a new species affect an ecosystem?
What are some examples of disruptive human activities and how do they disrupt ecosystems?
Why does the removal of a top predator negatively affect the other organisms in an ecosystem?
Define and describe all four stages of Eutrophication.
(BLURT QUESTION)
What is the global distribution of biomes?