input: OPTIONS:
- Plants
- expelled
- heat
- recycling
- glucose
- trees
- food
- state Now, answer this question: Fact 1: Most ecosystems get energy from sunlight. Fact 2: Plants use sunlight to make energy. Given the two facts above, where does the energy in ecosytems come from?
A:
output: Plants

Fact 1: Urine leaves the body through a sphincter in the process of urination. Fact 2: From the bladder, urine leaves the body. Given the two facts above, urine has to pass through what as the bladder empties?

OPTIONS:
- epidermal
- body water
- a sphincter
- all liquids
- mouth of rivers
- alveoli
- salt and water.
- aqueous solution

Answer: a sphincter

Problem: OPTIONS:
- mitochondria
- Most plants
- vacuoles
- color of leaves
- cell walls
- peachleaf willow
- In their leaves
- chloroplasts
Q: Fact 1: Chloroplasts contain the green pigment chlorophyll. Fact 2: Photosynthetic Pigments Photosynthetic Pigments Pigments are colorful compounds. Given the two facts above, what contains the green compound chlorophyll?
Answer: chloroplasts

Problem:OPTIONS:
- animal transport
- volume
- prokaryotes
- heating liquids
- Cooking
- h2o
- density
- animals

Fact 1: Ribosomes are structures in the cytoplasm where proteins are made. Fact 2: Ribosomes are larger and distinct from the ribosomes found in prokaryotes. Given the two facts above, what can make proteins?
****
A: prokaryotes

Fact 1: Populations of viruses do not grow through cell division because they are not cells. Fact 2: Where most viruses are DNA, HIV is an RNA virus. Given the two facts above, what does not grow through cell division?
OPTIONS:
- p53
- AIDS
- host
- DDT
- lung
- HIV
- corn
- HPV
HIV

Fact 1: Fat is used to keep animals warm. Fact 2: Food turns into fat. Given the two facts above, what do animals need to keep warm?
OPTIONS:
- a blanket
- lipids
- grass
- fur
- wings
- food
- a space heater
- Energy

Answer:
food