Q: Which pair of elements has the most similar properties? OPTIONS:
- Li and B
- I and Ca
- K and He
- N and P
A: N and P

Which is the thickest layer of Earth?
OPTIONS:
- crust
- inner core
- mantle
- outer core

mantle

Q: A scientist is comparing two body cells of a multicellular organism. Which of the following is most likely identical? ---- OPTIONS:
- shape of cell walls
- number of mitochondria
- shape of cell membranes
- number of chromosomes

A: number of chromosomes

All matter is made up of particles called
===
OPTIONS:
- cells
- molecules
- atoms
- compounds

atoms

Question:
Feathers, wings, and the hollow bones of birds are examples of
OPTIONS:
- adaptations for flight
- responses to stimuli
- unnecessary body parts
- reproductive structures
Answer:
adaptations for flight

*Question*: In plants, which describes sexual reproduction but not asexual reproduction? OPTIONS:
- Five limbs are grafted onto the same tree.
- New plants are grown from pieces of other plants.
- A fertilized egg cell divides to produce an embryo.
- Offspring are produced that have the same genetic information as the parent.
*Answer*:
A fertilized egg cell divides to produce an embryo.