Fact 1: Thirst is used to make an animal realize that it needs to replenish its bodily water by the body. Fact 2: Today's animal is the cow. Given the two facts above, thirst is used to make a cow realize that it needs to replenish its bodily what by the body?
OPTIONS:
- solutes
- NaCl
- juice
- grass
- liquid
- seawater
- blood
- water

Answer: water

Fact 1: Producers use energy and inorganic molecules to make food. Fact 2: Green plants are food producers. Given the two facts above, an example of an organism that uses energy and inorganic molecules to make food is a?
OPTIONS:
- green plant
- plants
- mammal
- peachleaf willow
- crustacean
- bacteria
- reptile
- rabbit

Answer: green plant

Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what uses pheromones to communicate with each other?
OPTIONS:
- starfish
- bees
- bacteria
- honeybees
- density
- humans
- h2o
- insects

Answer:
starfish