What is an ecosystem?
Living and nonliving things living and working together.
what is a food chain?
shows how each animal gets food
What is the definition of a herbivore
an organism that only eats producers
What is a predator?
An animal that hunts for food
What is a food web?
Many food chains together
Give an example of an aquatic ecosystem
saltwater, marshes, estuaries, ponds, lakes, rivers
Make a food chain with these plants and animals
snake
insect
leaf
mouse
leaf -> insect -> mouse -> snake
leaf -> insect -> mouse -> snake
What is the definition of biotic?
Something that is living or was once alive
What is prey?
An animal that is eaten or hunted
What is this called
Food chain
near a marsh or a pond
Draw this food chain -
leaf, snake, worm, bird
leaf -> worm -> bird -> snake
leaf -> worm -> bird -> snake
What is the definition of abiotic?
Something that is NOT living
What is the definition of a omnivore
to organism that eats plants and animals
What is this?
food web
give an example of an ecosystem
ocean, rainforest, forest, desert
What is a mushrooms role in a food chain?
decomposer
What is the definition of a carnivore?
ton organism that eats only meat
What is the definition of an food chain
to model that shows one set of feeding relationships among living things
Give an example of an aquatic ecosystem
ocean
What are the two types of ecosystems?
land and water (terrestrial and aquatic)
If a pond became polluted what would happen to the fish population?
it would decrease
What is the definition of decay
to break down or wear away
What is the definition of a decompser
to consumer that breaks down the tissue of dead organisms
Give an example of a terrestrial biome
desert, rainforest, forest, tundra, taiga
What is the difference between oceans and estuaries?
estuaries have fewer living organism
What is the definition of an estuary?
the place where saltwater and freshwater meet and mix
What does endangered mean?
in danger of disappearing forever
What is the largest ecosystem on Earth?
Ocean
Ocean
What is the definition of extinct?
gone from the Earth forever