Food Chains And Energy Transfer Flashcards
1
Q
Producers
A
Photosynthetic organisms that manufacture organic substances using light energy, water, carbon dioxide and mineral ions
2
Q
Consumers
A
Organisms that obtain energy by feeding on other organisms
Eg/ Animals
3
Q
Primary consumers
A
Directly eat producers
4
Q
Secondary consumers
A
Eat primary consumers
5
Q
Tertiary consumers
A
Eat secondary consumers
6
Q
Saprobionts
A
Group of organisms that break down the complex materials in dead organisms into simple ones
- Release valuable minerals - absorbed by plants - contribute to recycling
- Majority = fungi and bacteria
7
Q
Food chain
A
Feeding relationship - producers eaten by primary consumers
- Each stage = trophic level
8
Q
Arrows on food chain
A
Represent direction of energy flow
9
Q
Food webs
A
Many food chains will be linked together
- Complex
10
Q
Biomass
A
Total mass of living material in a specific area at a given time
