Q: Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Jellyfish and insects are invertebrates. Given the two facts above, which of the following has the most complex nervous system?

OPTIONS:
- animals
- nerves
- fur seals
- humans
- elephants
- Jellyfish
- bears
- kalenchoes

A: Jellyfish

input: OPTIONS:
- Snake population decrease.
- DNA damage and mutations
- Snake population variation.
- death and devastation
- dead organisms
- Snake population increase.
- Destroy crops
- Snake population stabilization Now, answer this question: Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Killing snakes is more than unnecessary and harmful to the ecosystem. Given the two facts above, what can killing snakes cause?
A:
output: Snake population decrease.

Fact 1: Sporangia produce spores that develop into tiny, heart-shaped gametophytes. Fact 2: Gametophytes of extant genera are green, photosynthetic,and have a long ribbon shaped thallus. Given the two facts above, sporangia produce spores that develop into what gametophytes?

OPTIONS:
- peachleaf willow
- green photosynthetic
- Chlorophyll
- photosynthesis
- Most plants
- graptolites
- members of their own species
- in the autumn season

Answer: green photosynthetic

Problem: OPTIONS:
- acetic acid
- brains
- chemistry
- androgens
- photons
- people
- Most plants
- light energy
Q: Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Androgens are male sex hormones. Given the two facts above, what are chemical messengers that control sexual development and reproduction?
Answer: androgens

Problem:OPTIONS:
- syphilis
- diabetes
- contamination
- scattered light
- lung cancer
- hair color
- global warming
- Pollution

Fact 1: Lung cancer is most often caused by exposure to tobacco smoke. Fact 2: Tobacco smoke consists of solid particles and gases. Given the two facts above, what is most often caused by exposure to solid particles and gases?
****
A: lung cancer

Problem:OPTIONS:
- motion
- sound
- screams
- laughter
- sunlight
- mirrors
- Echinoids
- movement

Fact 1: An image in a mirror is formed by reflecting light. Fact 2: Light is all our eyes can really see. Given the two facts above, what can be seen with our eyes?
****
A:
mirrors