Q: Which two body systems work together to transport oxygen to the cells? OPTIONS:
- skeletal and respiratory
- digestive and respiratory
- respiratory and circulatory
- respiratory and reproductive
A: respiratory and circulatory

During which process does a caterpillar become a butterfly?
OPTIONS:
- fertilization
- metamorphosis
- asexual reproduction
- biological adaptation

metamorphosis

Q: Which activity is an example of a chemical change? ---- OPTIONS:
- dissolving table salt in water
- hammering aluminum into thin sheets
- melting gold to make jewelry
- burning wood to produce ashes

A: burning wood to produce ashes

Sound will not travel in a
===
OPTIONS:
- solid
- liquid
- gas
- vacuum

vacuum

Question:
Which sequence correctly shows the levels of increasing organization in the human body?
OPTIONS:
- tissues -> cells -> organ systems -> organs
- cells -> tissues -> organs -> organ systems
- organs -> organ systems -> cells -> tissues
- organ systems -> organs -> tissues -> cells
Answer:
cells -> tissues -> organs -> organ systems

[Q]: Rocks that contain fragments of bones, shells, and plant remains are most likely
===
OPTIONS:
- crystals.
- igneous.
- sedimentary.
- metamorphic.
****
[A]:
sedimentary.