Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: Objects can be stationary or moving with constant linear velocity. Given the two facts above, if two balanced objects act on an object in opposite directions, the object will?

OPTIONS:
- bent
- behave
- cool off
- friction
- Temperature
- not move
- survive
- run away

Answer: not move

Fact 1: Plants have specialized reproductive organs. Fact 2: Potted plants in season include chrysanthemums, daisies and cyclamen. Given the two facts above, what have specialized reproductive organs?

OPTIONS:
- daisies
- Conifers
- pianos
- insects
- animals
- protist
- mitosis
- potatoes

Answer: daisies

Fact 1: Competition may lead to aggressive behaviors or displays of aggression. Fact 2: Social aggression is characterized by a dog that demonstrates a deep grumbling bark. Given the two facts above, what can lead to a dog demonstrating a deep grumbling bark?

OPTIONS:
- sensory neurons
- reduced heat
- competition
- Decibels
- friction
- Damaged hearing
- matter vibrating
- adding heat

Answer: competition

Fact 1: Macroevolution is evolution over geologic time above the level of the species. Fact 2: Geologic time lines are expressed in geologic eras and periods. Given the two facts above, macroevolution is evolution over what, above the level of the species?

OPTIONS:
- plants
- H 2 O
- years
- scale
- gravity
- eras
- weathering
- Joules

Answer:
eras