What are the answers to these biology questions?

Here are the answers to the biology questions:

1. The term used to describe things which can change during an experiment is variables. c) Variables

2. A statement like "plant need water to live" is an observation. d) Observation

3. The chance of an event occurring is called probability. a) Probability

4. Two examples of aquatic animals are fish and crocodile. d) Fish and crocodile

5. Variables are things that can change in an experiment. b) Change

6. Lizards belong to the group of animals that are cold-blooded. c) Cold blooded

7. Food chain: Grass $\rightarrow$ grasshopper $\rightarrow$ praying mantis $\rightarrow$ snake. If the praying mantis died, the grasshopper population would increase because its predator (the mantis) is gone. a) Grasshopper would increase

8. Food chain: Grass $\rightarrow$ grasshopper $\rightarrow$ praying mantis $\rightarrow$ snake.

   • Grass is the producer.
   • Grasshopper is the primary consumer (first order consumer).
   • Praying mantis is the secondary consumer (second order consumer). c) Praying mantis