Nutrient Cycle
Producers need sun, ______, and soil to grow.
water
Who is at the beginning of the food chain?
Producers
What does eco mean?
What makes up the first level?
Producers
What does abiotic mean?
Non-living
What helps break down plant and animal matter?
Decomposers
Which way do the arrows move through the food chain?
Linear
An ecosystem is made up of what?
abiotic and biotic factors
What makes up the second level?
Primary Consumers
What does biotic mean?
Living
What happens after nutrients are put back into the soil?
New life
What do the arrows represent in the food chain?
Flow of energy
All of the same type of living species inhabiting one area.
A population
Who is at the top of the pyramid?
Apex Predators
What does bio mean?
Life
How many decomposers are there?
Three
What comes at the end of the food chain?
Decomposers
All the living things (plants and animals) in an area.
A community
As we move up the pyramid, what happens to the energy flow?
It decreases (it is lost)
Carbon dioxide is abiotic or biotic?
Name the three types of decomposers.
Fungi, bacteria, detritovores
What is the ultimate source of all energy?
The sun
The study of living things with each other and their physical environment
Ecology
How much does energy flow decrease as we move up each level on the pyramid?
10%
Is a dead plant abiotic or biotic?
Biotic