Categorizing Organisms
What are the three types of organisms in a food web/chain?
Producer, Consumer, Decomposer
What is a producer?
An organism that uses energy from the sun to make its own food through photosynthesis.
What do the arrows in a food web show?
They show the direction that the energy is moving in.
How does a producer get energy if they don't eat any other organisms?
Producers get energy through photosynthesis.
How does a consumer get energy?
By eating another organism.
What is the difference between a food web and food chain?
A food web is a collection of food chains.
A food chain is made up of grass, rabbit, snake, and hawk. If the rabbit eats only the grass what is the rabbit?
Primary Consumer, herbivore
What is the difference between a primary and secondary consumer?
A primary consumer gets more energy than a secondary consumer.
A primary consumer is one arrow away from the producer, while a secondary consumer is two arrows away.
What does a decomposer do, and how does it help its ecosystem?
It decomposes dead organisms and returns nutrients to the soil, which helps the producers.
What are all the trophic levels?
Producers, Primary Consumers, Secondary Consumers, and Tertiary Consumers
What does a food web show?
The energy transfer of all the organisms in an ecosystem.
What is an apex predator?
An apex predator is a predator at the top of a food chain, without natural predators of its own.
Does the amount of energy increase or decrease the higher you go up the pyramid? By how much?
Decrease by 10%
What is an ecosystem?
A community of interacting organisms and their environment.