Q: Fact 1: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Fact 2: If a human ovum is fertilized, a zygote is formed. Given the two facts above, what forms a zygote? | OPTIONS:
- amoeba
- ovum
- Fe
- seeds
- fungi
- wheat
- nektar
- pollen
A: ovum

Q: Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Forest is largely pine trees. Given the two facts above, what has a positive impact on an ecosystem? | OPTIONS:
- animals
- Frogs.
- chemical spills
- Frogs
- pines
- parasites
- pollution
- mussels
A: pines

Q: Fact 1: Thick fur can be used for keeping warm. Fact 2: With a thick fur coat and 4 inches of fat a bear stays warm. Given the two facts above, what does thick fur help a bear with? | OPTIONS:
- Helps blend in
- nutrients
- Helps them run fast
- Protect from heat
- Protect from cold
- heat energy
- adding heat
- hard outer covering
A: Protect from cold

Q: Fact 1: Water vapor condensing in clouds causes rain. Fact 2: Condensing is a gas turning into a liquid. Given the two facts above, water vapor turning from a gas into a liquid causes what? | OPTIONS:
- sweat
- storms
- Drought
- heat
- cracks
- Hail
- Rain
- Snow
A: Rain