You are presented with the quiz "evolution is the change in characteristics of what over time?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evolution is a change in the characteristics of living things over time" and "an organism is a living thing". So, what's the best answer to the question?

OPTIONS:
- gravity
- animals
- vegetation
- h2o
- density
- organisms
- alleles
- humans

Answer: organisms

You are presented with the quiz "Some _ are nearly microscopic" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some mollusks are nearly microscopic" and "mollusks are the second-largest invertebrate group". So, what's the best answer to the question?

OPTIONS:
- gastropod shells
- invertebrates
- peachleaf willow
- homogenous
- barnacles
- an organism's body
- Veins and arteries.
- reproduce

Answer: invertebrates

You are presented with the quiz "what can bacteria grow on?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lipids may consist of fatty acids alone, or they may contain other molecules as well" and "bacteria are capable of growth on fatty acids and lipids". So, what's the best answer to the question?

OPTIONS:
- fatty acids
- swamp vegetation
- Most plants
- vinegar
- amino acids
- calories
- protein
- loose dirt

Answer: fatty acids

You are presented with the quiz "What can chordates go through?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chordates have a complete digestive system and a closed circulatory system" and "shock is a disruption of the circulatory system". So, what's the best answer to the question?

OPTIONS:
- disease
- loss
- skin
- alveoli
- death
- painful
- shock
- illness

Answer:
shock