Q: Which group of organisms can show significant trait changes in the shortest period of time? OPTIONS:
- bacteria
- birds
- fish
- reptiles
A: bacteria

Which organ in a frog has a function similar to the function of lungs in a bird?
OPTIONS:
- kidney
- skin
- liver
- heart

skin

Q: What are the basic structural units of living organisms? ---- OPTIONS:
- cells
- nuclei
- organs
- tissues

A: cells

The starch and water molecules in potato cells are stored in what organelle?
===
OPTIONS:
- mitochondrion
- nucleus
- ribosome
- vacuole

vacuole

Question:
In which environment is white fur color an advantage for survival?
OPTIONS:
- desert
- grassland
- arctic tundra
- temperate forest
Answer:
arctic tundra

Q: The Moon is visible to observers on Earth because of OPTIONS:
- reflected sunlight
- absorbed light from Earth's atmosphere
- gases in the Moon's interior
- volcanic eruptions on the Moon's surface
A:
reflected sunlight