Q: Fact 1: Chromosomes are coiled structures made of DNA and proteins. Fact 2: DNA is the stuff of life. Given the two facts above, what are the stuff of life?

OPTIONS:
- rocks
- food and shelter
- magic
- chromosomes
- fossil fuels
- insects
- animals
- emptiness

A: chromosomes

input: OPTIONS:
- matter
- water
- saliva
- gametes
- semen
- liquid
- oxygen
- air Now, answer this question: Fact 1: Gills are used for breathing water by aquatic animals. Fact 2: Crustaceans are predominantly aquatic, breathing by means of gills. Given the two facts above, crustaceans breathe what through their gills?
A:
output: water

Fact 1: Looking at bright objects has a negative impact on the eyes. Fact 2: Ultraviolet radiation damages the eye's lens and retina. Given the two facts above, looking at bright objects can damage what structure?

OPTIONS:
- coral
- chloroplasts
- cells
- Neuron.
- photosynthesis
- eyeglasses
- the skin
- retina

Answer: retina

Problem: OPTIONS:
- clouds
- mechanical waves
- windpower operated machines
- Movement of an air mass
- solar panels
- Warm air moving into cold air
- batteries
- tectonic plates being pushed together
Q: Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy. Fact 2: Windmills are machines operated by windpower. Given the two facts above, what converts wind energy into electricity?
Answer: windpower operated machines

Problem:OPTIONS:
- To keep their body heat.
- sweating
- endocrine glands
- temperature
- preventing heat transfer
- an organism's body
- movement
- Veins and arteries.

Fact 1: Most pituitary hormones control other endocrine glands. Fact 2: Hormone therapy Hormones are substances that occur naturally in the body. Given the two facts above, what do substances in the pituitary control?
****
A: endocrine glands

Problem:OPTIONS:
- have a positive impact on the environment
- it helps plants in growing
- retaining heat
- mate with females
- produce offspring
- family members are relatives
- characteristics
- sub-units of species

Fact 1: Insects may live in large colonies and have complex social behaviors. Fact 2: Insect colonies Insect colonies are families because all members are close relatives. Given the two facts above, insects have more social behaviors because all what?
****
A:
family members are relatives