Q: Fact 1: Transpiration is when water vapor moves from plants into the atmosphere. Fact 2: Transpiration occurs as long as stomates are open. Given the two facts above, what must happen for water vapor to move from plants into the atmosphere?

OPTIONS:
- plant must be dead
- Condensation
- stomates must be open
- evaporation
- cells must be closed
- must be cloudy
- Warm air moving into cold air
- vaporization

A: stomates must be open

Q: Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: Animals able to lay shelled eggs are called amniotes . Given the two facts above, reptiles are a class of tetrapod vertebrates that what?

OPTIONS:
- are warm blooded
- reproduce
- graptolites
- lay shelled eggs
- major threat to health
- allow growth
- eat grass
- live in water

A: lay shelled eggs

Q: Fact 1: Active immunity results when an immune response to a pathogen produces memory cells. Fact 2: Memory cells persist in the circulation for decades. Given the two facts above, what can persist in the circulation for decades?

OPTIONS:
- active immunity
- density
- Veins and arteries.
- oxygen cells
- bacteria
- chlorofluorocarbons
- fur and fat
- Chemical energy

A: active immunity

Q: Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Prokaryotes have no membrane-bound organelles, thus bacteria are prokaryotic organisms. Given the two facts above, bacteria have no membrane-bound organelles and lack what?

OPTIONS:
- nucleus
- epidermal
- Joules
- alveoli
- glucose
- Epidermis
- oxygen
- PDAs

A:
nucleus