All the living and non-living factors in an area make up an ___________.
What is an ecosystem?
A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit.
What is an ecosystem?
What do all these living things have in common? deer, rabbit, squirrel
They are all herbivores (primary consumers) because they all eat only plants.
As you go up the energy pyramid, the amount of ENERGY organisms get from the sun decreases. True or false?
What is true?
These organisms (like you and me and a bird or a bee!) can't make their own food. All heterotrophs are ________.
What are consumers?
As energy goes from the sun to plants to consumers, the amount of energy that is transferred one level to another is _____%.
What is 10%?
When predators increase in a food web, what is the impact on the food web?
The number of prey decrease, and eventually, the predators run out of food to eat because they have hunted all the prey.
Organisms that can generate their own food are also known as autotrophs, or ________________. An example would include a rose, or algae.
What are producers?