How do organisms interact in ecosystems?
Predator
An animal that hunts and eats other animals
Food chain
A series of steps by which energy is derived from the sun moves from one type of living thing to another
What is an environment
All of the conditions surrounding an organism
What is the struggle of organisms for the same limited resources?
Competition
What is The repeated movement of nitrogen through the environment in different forms?
Nitrogen cycle
Prey
An animal being hunted for a predator's food
Food web
A diagram that combines many food chains into one picture
Why environments have temperature?
They may be hot or cold and on land or in water
Why are changes harmful?
Because they can be beneficial for others.
The repeated movement of carbon through the environment in different forms
Carbon cycle
Consumers
Organisms that cannot make their own food
Why are food chains important
Energy passes through an ecosystem when food is eaten
Why do environmental resources change?
Because They need food, water, and living space
Why does a forest fire clear away dying plant matter
In order to make room for plants to grow
What are decomposers
Organisms that break down the dead remains of an organism and waste products
What are Producers?
Organisms that make their own food for energy
What is a niche
A niche includes the type of food the organism takes in
Why are hurricanes dangerous?
Because of its strong winds
Why are decomposers important
They change the animals' nitrogen compounds into kinds that plants can use
Decomposers
Organisms that break down wastes and dead organisms
What is symbiosis
A long-term relationship between 2 different organisms
What are locusts?
Insects that travel in large groups called swarms
What is combustion?
The burning of materials