1
How do pairs of skeletal muscles work together?
2
\"The main characteristic that distinguishes arthropods from other groups are: \"
3
\"Use the following experiment to answer questions: When a test tube of water containing elodea (an aquatic plant) is placed near a white light, the plant gives off gas bubbles. When elodea is placed near different colors of light, the rate of bubbling is affected. The dependent variable in this experiment is the:\"
4
Mrs. Gaunce wants to see which music kids prefer to listen to while studying. She takes 100 randomly selected students and asks them to study while listening to music. 25 chosen to listen to country music, 25 hip-hop, 25 classical and 25 no music at all. All students were given i-pods with the appropriate music (even the “no music” group—they listened to silence). She then compares the students’ performances on their semester test (they all have the same science teacher). What is the independent variable in this experiment?
5
Heterotrophs:
6
\"What is missing from this list of the needs of living things? Food and water, air, living space, energy\"
7
Which type of muscle tires quickly during exercise?
8
Which organ system makes blood cells?
9
The scientific name for a cold blooded animal is:
10
A testable explanation for a question or problem is
11
An organism that hunts and kills to survive is called a:
12
\"A change in an organism\'s surroundings that causes it to react is called:\"
13
The first link in the food chain is:
14
Blood vessels that carry blood away from the heart are called:
15
An investigation was designed to determine the effects of ultraviolet light on mold growth. Two groups of mold spores were grown under ideal conditions, except that one group was grown in total darkness and one under UV light. In this investigation, the mold grown without any UV light is known as the:
16
Which organism is an autotroph:
17
The source of energy for most autotrophs is:
18
A group of ecosystems with similar climates and organisms is known as a ____________.
