4 Written questions
4 Multiple choice questions
- Occurs after a disturbance in an already existing ecosystem. First species to appear are weeds/grasses.
- A food web has multiple (many) paths in which energy flows in an ecosystem. The arrow points in the direction energy goes!
- Occurs where no previous ecosystem existed. First species to appear are lichens and mosses.
- Eats animals that are already dead.
3 True/False questions
Predator → Animal that eats prey
Prey → Animal that gets eaten.
Nitrogen Fixation → Animal that eats prey