4 Written questions
4 Multiple choice questions
- Free nitrogen can not be used so it has to become fixed. Bacteria perfoms this function.
- Eats animals that are already dead.
- Driven by the sun. Changes from liquid to gas to liquid again.
- Animal that eats prey
3 True/False questions
Secondary Succession → Occurs after a disturbance in an already existing ecosystem. First species to appear are weeds/grasses.
Hypothesis statement → If...Then statement that is testable.
Parasite → Animal that gets eaten.