Q: Spores are the basic reproductive units of what organism? A:

OPTIONS:
- mushrooms
- yeast
- tropical plants
- fungi

Answer: fungi

Q: In vascular plants, what two basic structures are made of dermal, vascular, and ground tissues? A:

OPTIONS:
- stems and flowers
- roots and seed
- fruits and nuts
- roots and stems

Answer: roots and stems

Q: The ability of a water spider to walk across a body of water is an example of what? A:

OPTIONS:
- high density
- low gravity
- magnetism
- surface tension

Answer: surface tension

Q: What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta? A:

OPTIONS:
- epithelial sac
- umbilical sac
- womb
- amniotic sac

Answer:
amniotic sac