Producers, Consumers, Decomposers
What are producers?
Living things that make their own food.
What is a food chain?
A diagram that shows how energy in food flows from one organism to another.
What would happen in the Smokey Mountains if all of the black bears were removed as the top predators?
The consumers that the black bear eats will become overpopulated.
Fossils which are ...
remains of a plant or animal of a past age preserved in earth or rock.
What is a diagram that shows an ecosystem's loss of energy?
Energy pyramid
How does it show a loss of energy?
What are the three kinds of consumers?
What is a diagram that show how food chains are connected or overlapped?
Food web
What are some things that can change an environment or numbers in a population?
Name four.
fire
drought
predator removal
invasive species
What do fossils tell us?
Give two details that you know.
What the environment was like long ago.
What lived in the area.
Describe how producers, consumers, and decomposers are linked in a food chain.
Consumers feed on producers.
Decomposers feed on producers and other consumers after they are dead.
What organisms get energy be breaking down dead organisms?
10 point bonus: Name two of these organisms
Decomposers
Bonus: bacteria, mold, mushrooms
Form a terrestrial food web with the following:
coyote grass rabbit mouse hawk
snake
rabbit hawk
mouse snake
mouse hawk
What happens to a food chain in a garden when rabbits become overpopulated?
The food chain is unbalanced. Rabbits will eat too much of their food which will go down. Eventually rabbits will die and food chain will become balanced again.
What do trilobites tell us about an environment?
That there was once an ocean in the area.
Why are producers located at the bottom of an energy pyramid?
Producers get their energy from the sunlight and make their own food.
They are nature's recyclers.
What is all the living and nonliving things in an area called?
Ecosystem
If a drought is happening in a nearby pond what will happen to all of the organisms that live in that pond?
Without water, the animals will begin to die out.
What do the locations of the fossils in the rock tell us about the age of the fossils?
The deeper the fossil the older it is.
What is the influence of people and things on each other?
Interactions
What organisms use sunlight directly to make their own food?
What is this process called?
producers
photosynthesis
What is a living thing that has migrated from somewhere else called?
What do they do to an ecosystem?
Invasive species
They invade and take over habitats because there are no natural enemies.
Why do animals become extinct?
They are not getting their needs met in their ecosystem and cannot adapt to the environment.
What natural resources are formed from fossils?
100 point bonus: Name two examples
*fossil fuels
coal and oil
What is needed for photosynthesis to occur?
sunlight, water, carbon dioxide