Fact 1: Insects may live in large colonies and have complex social behaviors. Fact 2: Insect colonies Insect colonies are families because all members are close relatives. Given the two facts above, insects have more social behaviors because all what?

OPTIONS:
- have a positive impact on the environment
- it helps plants in growing
- retaining heat
- mate with females
- produce offspring
- family members are relatives
- characteristics
- sub-units of species

Answer: family members are relatives

Fact 1: Temperature changing can cause phase changes. Fact 2: When water goes through the cold induced phase change to produce ice, the ice expands. Given the two facts above, temperature changing can cause what to change to ice?

OPTIONS:
- glass
- basalt
- skin
- heat
- diamond
- water
- Joules
- sweat

Answer: water

Fact 1: Amphibians have permeable skin that easily absorbs substances from the environment. Fact 2: Amphibians have lungs, but they also breathe through their skin. Given the two facts above, what type of skin easily absorbs air to breathe through?

OPTIONS:
- human
- water vapor
- mammals
- scales
- It expands
- permeable
- furry
- to stay warm

Answer: permeable

Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Microscopes are needed as most aquatic invertebrates are quite small. Given the two facts above, what can be used to see cells?

OPTIONS:
- microscopes
- A computer
- mirrors
- cell walls
- barometers
- binoculars
- scattered light
- flashlights

Answer:
microscopes