Question: Choose your answer.

Which of these organisms is a producer in a marine ecosystem?

OPTIONS:
- fish
- gull
- algae
- worm
My Answer: algae

Question: Choose your answer.

Which of these objects is visible because it reflects light toward the eye?

OPTIONS:
- burning candle
- flashlight bulb
- glowing campfire log
- shiny metallic balloon
My Answer: shiny metallic balloon

Question: Choose your answer.

Which is the best example of a pure substance?

OPTIONS:
- peanuts
- milk
- gold
- air
My Answer: gold

Question: Choose your answer.

When an octopus feels threatened, it can release black ink into the water. The ink MOST likely helps the octopus

OPTIONS:
- move quickly through the water.
- breathe oxygen from the water.
- hide from predators.
- use food faster.
My Answer:
hide from predators.