Q: Fact 1: Many corals secrete an exoskeleton that builds up to become a coral reef. Fact 2: Coral reefs are made up of the accumulated exoskeletons of the coral polyp. Given the two facts above, what do coral polyps form?

OPTIONS:
- lagoon
- graptolites
- a cuticle
- barnacles
- bioaerosols
- cave
- coral reef
- salt and water.

A: coral reef

Q: Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Geckos have backbones and are reptiles. Given the two facts above, which of the following animals is NOT an invertebrate?

OPTIONS:
- shrimp
- orchids
- gecko
- sheep
- Schwinn
- jellyfish
- praying mantis
- Birds

A: gecko

Q: Fact 1: Habitat destruction causes animals to move to find shelter in another habitat. Fact 2: Human population growth has resulted in habitat destruction, causing massive extinctions. Given the two facts above, what causes animals to move to find shelter in another habitat?

OPTIONS:
- death and devastation
- a tree falling
- exposure to cold
- Human population growth
- games
- deforestation
- Human decline
- moonlight

A: Human population growth

Q: Fact 1: Energy enters ecosystems in the form of sunlight or chemical compounds. Fact 2: Biomes are global ecosystems. Given the two facts above, energy enters what in the form of sunlight or chemical compounds.?

OPTIONS:
- biomes
- fire
- light
- Energy.
- Energy
- LEDs
- propagate
- photons

A:
biomes