Pomd Flashcards
1
Q
Describe the structure of a pond
A
- surface: light and oxygen. Algae grow on surface. Insects
- middle: fish are main predators
- bottom: little oxygen or light, stones and rotting plants, decomposers and scavengers
- edges: grasses bushes or trees- shelter/food , big birds like herons
2
Q
Give two decomposers
A
- waterworms
- rat tailed maggots
3
Q
Give two fish predators
A
- perch
- sticklebacks
4
Q
Give an insect
A
Water boatman
5
Q
Give two producers
A
- algae
- pond lily