Fact 1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. Fact 2: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. Given the two facts above, a fibrod, wart and, cancer are all forms of what cell?

OPTIONS:
- Something coming from a gland
- remains of prehistoric life
- cells divide uncontrolled
- sub-units of species
- deadly and devastating
- the body's largest organ
- share properties
- cause people to become sick.

Answer: cells divide uncontrolled

Fact 1: Amagnet moving in a coil of copper wire can cause an electric current. Fact 2: An electrical current is a flow of electrons. Given the two facts above, what can a magnet moving in a coil of copper wire cause?

OPTIONS:
- flow of protons
- dangerous
- flow of neutrons
- heat energy
- flow of electrons
- h2o
- kinetic energy
- electromagnetic energy

Answer: flow of electrons

Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Ethologists study animal behavior. Given the two facts above, what study animals in their natural environment?

OPTIONS:
- animal behaviorists
- it keeps an organism warm
- animal owners
- biological diversity
- animal hunters
- retaining heat
- by indirect light
- animal eaters

Answer: animal behaviorists

Fact 1: Mollusks reproduce sexually. Fact 2: Clams are mollusks that live in the sea or in freshwater. Given the two facts above, what reproduces sexually?

OPTIONS:
- ferns
- toads
- legumes
- clams
- fission
- rocks
- the Sun
- bamboo

Answer:
clams