Vocab
Biotic and abiotic
Food chain
Food web
Cycles of matter
100

Elements that pass from one organism to another among parts of the biosphere through closed loops 

Biochemical cycles

100

Any living part of the environment 

Biotic factor 

100

Animal that eats plants and animals 

Omnivore

100

What is the largest part of the food web 

Scavenger

100

Elements pass from one organism to smother and among parts of the biosphere through close loops 

Biogeochemical cycle

200

The total amount of living tissue within a given level is called its 

Biomass 

200

Name one abiotic factor 

Sun

Weather

Heat

Water 

Ect.



200

The source of all energy of life

Sun

200

What does the food web start with 

Primary Producers

200

The chemical substances that an organism need to substain life

Nutrients.

300

Krill are one example of a diverse group of small swimming animals 

Zooplankton 

300

Sunlight is a what factor 

Abiotic 

300

The type of animal that turns sunlight into energy first

Producer 

300

Can the food chain be in the food web

Yes

300

Decomposers release nitrogen from waste and dead organisms which is released into the atmosphere e

Denitrification 

400

A series of steps in which organisms transfer energy by eating and being eaten 

Food chain

400

Any non living part of the environment 

Abiotic factor 

400

How does energy flow in a food chain 

In a one way stream and energy decreases as it grows

400

Without decomposers what would be locked in dead organisms

Nutrients 

400

the nutrient whose supply limits productivity 

Living nutrient 

500

Captures light energy and uses it power chemical reactions that convert CO2 and water to oxygen 

Photosynthesis 

500

 What does it mean for biotic and abiotic factors to be dynamic 

Constantly effect each other 

500

Use Solar or chemical energy to produce foods, by making complex organic molecules

Autotrophs

500

What happens to producers if they aren’t eaten

They die

500

If ample sunlight and water are available the primary productivity of an ecosystem may...

Be limited by the availability of nutrients