Q: Fact 1: Some arthropods have special excretory structures. Fact 2: Terrestrial arthropods have an excretory system that conserves water and eliminates waste. Given the two facts above, what is the name of something some animals use to conserve water and elminate waste?

OPTIONS:
- it keeps an organism warm
- food and shelter
- Exfoliation
- an area swollen with pus
- swamp vegetation
- excretory structures
- reusing materials
- colder and wetter

A: excretory structures

input: OPTIONS:
- fungus
- carbonation
- Pollution
- influenza
- freshness
- disease
- symptoms
- Food poisoning Now, answer this question: Fact 1: Microorganisms cause food to spoil. Fact 2: Food poisoning occurs when spoiled food is eaten. Given the two facts above, microorganisms in food causes what?
A:
output: Food poisoning

Fact 1: The number of rings in a tree trunk can be used to estimate the age of the tree. Fact 2: Age of young trees is estimated from both trunk circumference and tree height. Given the two facts above, what is one thing that rings can tell you?

OPTIONS:
- chemical changes
- encoded information
- coded genes
- age of a woman
- age of a tree
- age of a lake
- it can be seen
- size of a tree

Answer: age of a tree

Problem: OPTIONS:
- deforestation
- repopulating them
- Pesticides
- hypothyroidism
- kill them
- harming them
- light
- helping them
Q: Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Fish are wild animals. Given the two facts above, doing what to fish species causes their population to decrease?
Answer: harming them

Problem:OPTIONS:
- rivers
- Petroleum
- soil
- Water
- Hydrochloric acid
- Rocks
- Mercury
- salts

Fact 1: Minerals are chemical elements that are essential for body processes. Fact 2: Water contains dissolved solids, all kinds of minerals. Given the two facts above, chemical elements that are essential to body processes can be found dissolved in what?
****
A: Water

Problem:OPTIONS:
- by inheriting them
- competition
- An object is seen
- by staying away from others
- by ignoring others
- Riding a bike
- firm hugs
- through games

Fact 1: Behaviors can be learned through play. Fact 2: Ian plays role playing games. Given the two facts above, how can behavior be learned?
****
A:
through games