Mather Unit 1 Cells and the Human Body Assessment Study Guide Create feedback

In plant and animal cells, the control center of the cell is the

Mitochondria are important organelles within a cell. What would most likely happen if a cell’s mitochondria were not functioning properly?

Plant and animal cells have similar characteristics. One function of the plant cell that an animal cell cannot perform is ____.

Certain materials are allowed to enter and leave the cell, while other materials are allowed to do so. This is due to a selectively permeable structure of the cell. This structure is called

What is the function of genetic material in a cell?

The movement of materials across a cell membrane, requiring energy, is called

7. A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

A structure made up of two or more tissues that work together is called a(n)

What is the transport and storage structure in a cell’s cytoplasm?

The process by which plants, algae, and some bacteria use carbon dioxide, sunlight, and water to make glucose and oxygen is called

12. When a scientist shares her findings with other scientists, she is

13. The human body has levels of organization that scientists order from least complex to most complex. Which is the MOST complex?

14. Food for plants is made in the chloroplast. To make food, what materials do plants need?

15. Carbon dioxide and water are used to produce glucose in the _______.

16.

What part of the cell keeps the cell membrane from collapsing?

Standard: S7L2a

17. Which of these describes two cell structures with similar functions?

Standard S7L2a

18. Which of the following statements best explains why oxygen diffuses from the alveoli into the blood?

A. The diaphragm draws oxygen into the alveoli at a rapid speed.

B. Alveoli cells contain hemoglobin to transfer gases to the blood.

C. The concentration of oxygen is greater in the alveoli than in the blood.

D. Red blood cells move one at a time through the capillaries surrounding the alveoli.

Standard S7L2a

19. Dr. Seehorn is forced to do an emergency surgery on a patient after an accident. He removes a part of X, shown in the shaded picture above. What will the patient have more trouble doing after the surgery?

A. Getting enough oxygen

B. Fighting off infection

C. Breaking down ingested food

D. Removing waste from the body

Standard S7L2a

20. Which of these describes how the respiratory and circulatory systems work together to help cells obtain oxygen and remove waste?

A. The heart removes oxygen and makes new blood cells.

B. The lungs filter oxygen and solid wastes from the blood.

C. The heart pumps oxygen into the blood and removes carbon dioxide.

D. The lungs allow oxygen to enter and carbon dioxide to leave the blood.

21. What skill is a scientist using when she listens to the sounds that whales make?

A) interpreting data

B) making observations

C) making a hypothesis

D) drawing conclusions

22. What is the correct order of the steps in the scientific method?

A) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.

B) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.

C) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.

D) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.

23. Which question would be the best high level scientific question?

A) Who made the first microscope?

B) How long ago did dinosaurs live on the Earth?

C) How many giraffes live in Africa?

D) Does the amount of salt in water affect the temperature at which it boils?

24. Which of the following is NOT a rule when writing a hypothesis?

25. An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?

26. Which of the following hypotheses is written correctly?

A) If I freeze a tennis ball, then it will not bounce as high.

B) If I heat up a tennis ball it will bounce high.

C) If a tennis ball is frozen, it won't bounce as high as one that is not frozen.

D) Frozen tennis balls will not bounce as high.

27. The process of obtaining information by using the senses is called a/an

28. A series of steps designed to help you solve problems and answer questions

29. In an experiment, the one variable that is changed is called the

30. In an experiment, the factor that we measure is called the