Q: Fact 1: Pesticides can cause pollution. Fact 2: Air pollution harms the ecosystem. Given the two facts above, harm to the ecosystem can come from?

OPTIONS:
- pesticides
- fossil fuels
- global warming
- cell mutations
- mechanical weathering
- flooding
- vehicles
- under population

A: pesticides

input: OPTIONS:
- the moon and the stars
- just bacteria
- peachleaf willow
- dogs only
- swamp vegetation
- huddle together
- Most plants
- different animals Now, answer this question: Fact 1: Communities consist of populations of different species. Fact 2: Each species of animal is unique. Given the two facts above, what do communities consist of populations of?
A:
output: different animals

Fact 1: Along tail can be used to move through water by an animal. Fact 2: Thus swimming is defined as a special kind of moving, namely moving in or through water. Given the two facts above, a long tail can be used for _ by an animal?

OPTIONS:
- bullfrogs
- swimming
- growth
- flying
- courtship
- navigation
- support
- mating

Answer: swimming

Problem: OPTIONS:
- mammals
- clouds
- fungi
- birth
- insects
- plants
- animals
- h2o
Q: Fact 1: Arthropods have a life cycle with sexual reproduction. Fact 2: Insects are the largest group of arthropods. Given the two facts above, what has a life cycle with sexual reproduction?
Answer: insects

Problem:OPTIONS:
- h2o
- living things
- dogs
- adult sea squirts
- bullfrogs
- humans
- an amoebae
- gastropod shells

Fact 1: If fossils of a water animal or plant are found in a place then that place used to be covered by water in the past. Fact 2: Gastropod Shells of marine animals are often preserved as fossils. Given the two facts above, the bones of what can be found to signify that place used to be covered by water?
****
A: gastropod shells

Problem:OPTIONS:
- palm trees
- tulips
- In their leaves
- ferns
- shrub beds
- peonies
- rhubarb
- Most plants

Fact 1: Secondary growth forms secondary vascular tissues and bark. Fact 2: Some, such as bamboo and palm trees, have secondary growth. Given the two facts above, what forms secondary vascular tissues and bark?
****
A:
palm trees