Ecosystems
Ecosystems contain both _________ and __________ things.
living; nonliving
What consumer eats only meat?
canrnivore
How do producers get food?
They make their own.
What gives consumers their energy to live and grow?
food
What organism produces its own food?
producer (plant)
Food webs are interconnected ________ ________.
food chains
What consumer eats only plants?
herbivore
What energy source is at the beginning of every food chain?
sun
How do consumers get food?
by eating other organisms
What is the cycle that plants use to make their own food?
photosynthesis
The loss of grass would affect what next level of organisms in the food web?
grass consumers (grasshoppers, catepillars, bunnies, etc.)
What consumer eats both plants and animals?
omnivore
Name two producers.
grass, tree, flower, plant, seaweed
What happens in a drought?
lack of rain
What is an organism?
any living thing
The loss of insects in a habitat will affect the food web by increasing or decreasing the number of birds.
decreasing the number of birds
Why are plants called producers?
They make their own food.
If all the birds were removed from a food web, what would happen to the grasshopper populations?
increase
In a food web, the arrow points in the direction of the what?
energy flow
What is the source of energy for trees?
sun
After a forest fire, the number of producers with decrease or increase?
decrease
What organism recycles both dead plants and animals?
decomposers (fungi, bacteria, worms)
If a lion eats a zebra, which way will the arrow point?
It will point at the lion.
What are the three things that plants need for photosynthesis?
water, sun, carbon dioxide
What is an apex predator?
top of the food chain