Fact 1: Amold spore has a negative impact on the respiratory system. Fact 2: Major components of the respiratory system are the lungs, trachea, nose, and the cell. Given the two facts above, what has a negative impact on the lungs?
OPTIONS:
- unpolluted air
- healthy atmosphere
- mold spore
- smoking
- disease
- influenza
- clean air
- A virus
mold spore

Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, what have more complex nervous systems?
OPTIONS:
- animals without a backbone
- the wearing away of rock
- h2o
- barks and snarls
- plants
- density
- Veins and arteries.
- remains of prehistoric life

Answer: animals without a backbone

Question: Fact 1: Energy enters ecosystems in the form of sunlight or chemical compounds. Fact 2: An ecosystem includes the organisms and their habitat. Given the two facts above, what does energy enter in the form of sunlight or chemical compounds?
OPTIONS:
- Generating heat
- volume
- colors of the spectrum
- organisms and their habitat
- density
- Transfers energy
- gravity
- it helps plants in growing
Answer: organisms and their habitat

input with options: Fact 1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. Fact 2: DNA is the genetic material of cells. Given the two facts above, what contains genetic instructions?
OPTIONS:
- cells
- cows
- Oak
- embryos
- pollen
- Flowers
- seeds
- legumes
output: cells

Q: Fact 1: HIV infects and destroys helper T cells. Fact 2: Aids is the end stage of HIV infection. Given the two facts above, what infects and destroys helper T cells?

OPTIONS:
- fungus
- memory cells
- anemia
- AIDS
- CO 2
- bacteria
- Wasps
- blood

A: AIDS

Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Animals behave according to instinct. Given the two facts above, ethologists study how animals use what in their natural environment?
OPTIONS:
- Energy
- Chlorophyll
- fur
- digestion
- instincts
- lungs
- an object
- Energy.
instincts