Q: Fact 1: Roundworms may be free-living or parasitic. Fact 2: Roundworms make up the roundworm phylum, Nematoda. Given the two facts above, what can the phylum Nematoda be?

OPTIONS:
- dangerous
- parasitic
- horses
- meiosis
- more abundant
- graptolites
- homogenous
- phytoplankton

A: parasitic

Q: Fact 1: Aging is associated with the death of cells. Fact 2: Telomeres degrade as the cells divide and their shortening causes cell death. Given the two facts above, aging is associated with degrading:?

OPTIONS:
- Most plants
- an object
- Acids
- telomeres
- layers of fat
- Chlorophyll
- vegetation
- the skin

A: telomeres

Q: Fact 1: The sun causes water to evaporate more quickly by adding heat. Fact 2: Similarly, stars are referred to as suns, but our star is the Sun. Given the two facts above, what causes water to evaporate more quickly by adding heat?

OPTIONS:
- distant stars
- our star
- sunlight
- Solar energy
- energy
- Energy.
- the moon
- milky way

A: our star

Q: Fact 1: If heat is conducted to an object then that object will become hot. Fact 2: Metals vary in their capacity to conduct heat. Given the two facts above, what can happen if a metal is heated?

OPTIONS:
- change chemical composition
- refract energy
- they bend
- It expands
- electricity
- Relieve pain
- maintains core temperature
- becomes hot

A:
becomes hot