Biotic
What does biotic mean?
Living or once living
What is a producer?
What is a consumer?
An organism that gets energy by eating other organisms
What do decomposers do?
Break down dead organisms and waste
What does a food chain show?
One path of energy from one organism to another
Name one biotic factor in an ecosystem
Plant, animal, fungus, bacteria
Name one producer
Grass, tree, algae
A rabbit eats grass. What type of organism is the rabbit?
Consumer
Name one decomposer
Fungus, mushroom, bacteria, etc
What does a food web show?
Many connected food chains in an ecosystem
Is a dead leaf biotic or abiotic?
Biotic it was once living
Where do most producers get their energy?
The sun
What do we call a consumer that eats only plants?
Herbivore
Why are decomposers important?
They recycle nutrients back into the ecosystem
Grass--> Rabbit--> Snake. Which organism is the producer?
Grass
Which is biotic: water, mushroom, sunlight, or temperature?
A mushroom
What process do plants use to make their own food?
Photosynthesis
What do we call an animal that eats both plants AND animals?
Ommivore
What might happen if an ecosystem had no decomposers?
Dead matter would build up and nutrients wouldn't be recycled effeciently
Grass-->Grasshopper-->Frog-->Snake, what do the arrows show?
The direction that energy moves
A fallen tree is no longer alive. Why is it still considered biotic?
Because it was once living
Why do food chains usually begin with a producer?
Producers bring energy into the food chain by making food, usually using sunlight
Grass--> rabbit --> snake--> hawk. Which organisms are consumers?
Rabbit, snake, and hawk
A mushroom breaks down a dead tree. What happens to the nutrients?
They return to the ecosystem/soil and can be reused by producers.
Why is the food web more realistic than a food chain?
Because organisms usually eat and are eaten by more than one organism