input: OPTIONS:
- CO2
- H2O
- He
- food
- feed
- urea
- O2
- H20 Now, answer this question: Fact 1: Thirst is used to make an animal realize that it needs to replenish its bodily water by the body. Fact 2: An example is H2O which shows water is made of two atoms of hydrogen stuck to one atom of oxygen. Given the two facts above, thirst shows an animal that it needs what?
A:
output: H2O

Fact 1: Alight bulb is used for seeing in the dark. Fact 2: Just as darkness is the absence of light. Given the two facts above, what are used for seeing in the absence of light?

OPTIONS:
- light bulbs
- cactuses
- satellites
- microscope
- photons
- bushes
- energy
- focusing a lens

Answer: light bulbs

Problem: OPTIONS:
- jumping
- crawling
- heat energy
- environment
- swimming
- walking
- Chlorophyll
- Absorb light
Q: Fact 1: Flagella help prokaryotes move. Fact 2: Some species swim by means of flagella Bacterial flagella are analogous to flagella of eukaryotes. Given the two facts above, prokaryotes and Bacteria move by what ?
Answer: swimming

Problem:OPTIONS:
- skeletal animal
- vertebrate
- A Greek letter
- invertebrated
- organ
- critical organs
- spined animal
- epidermal

Fact 1: Vertebrates are animals that have a backbone. Fact 2: Vertebrates generally have a backbone called the spinal column. Given the two facts above, if an animal has a spinal column in their skeletal system what is it called?
****
A: vertebrate

Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Animal migration is mystery of nature. Given the two facts above, natural disasters can cause ?
OPTIONS:
- deforestation
- kill them
- Pollution
- disease
- deadly
- erosion
- migration
- flooding
migration

Fact 1: Behaviors that improve fitness increase through natural selection. Fact 2: Adaptation is the result of natural selection. Given the two facts above, behaviors that improve fitness increase through what?
OPTIONS:
- evolving
- relocating
- absorbing
- competition
- Riding a bike
- Animal survival
- kinetic energy
- adaptation

Answer:
adaptation