Name: ______Date: ______Hour: ______
Chapter 2 Study Guide
Matching:
____1. Asexual Reproduction a. A type of biochemical that does not dissolve
in water.
____2. Metabolism b. Smallest unit that can produce all life
processes.
____3. Stimulus c. The maintenance of a constant internal state
in a changing environment.
____4. Heredity d. Adenosine triphosphate, a molecule that acts
as the main energy source of cell making.
____5. Protein e. In which sex cells from two parents unite to
produce an offspring that shares traits of both
____6. Manipulated Variable f. Variable that changes as a result of the
changes in the manipulated variable
____7. Homeostasis g. Anything that causes a reaction or change in
an organism or any part of an organism.
____8. Cell h. Reproduction in which one parent produces
offspring that are identical to the parent
____9. Sexual Reproduction i. A molecule that is made up of amino acids
and that is needed to repair body structures.
____10. ATP j. The passing of genetic traits from parent to
offspring.
____ 11. Lipid k. The sum of all chemical processes that occur
in an organism,
____ 12. Responding Variable l. Variable you change in an experiment.
Multiple Choice:
____13. A class of energy giving nutrients that includes sugars, starches and fiber
a. Consumer c. Nucleic Acid
b. Carbohydrate d. Decomposer
____ 14. A molecule made up of subunits called nucleotides
a. Cell c. Carbohydrate
b. Nucleic Acid d. Phospholipid
____ 15. An organism that can make its own food by using energy from its
surroundings.
a. producer c. decomposer
b. consumer d. protein
____ 16. An organism that gets energy by breaking down the remains of dead
organisms or animal wastes
a. protein c. decomposer
b. consumer d. producer
____ 17. An organism that eats other organisms or organic matter
a. carbohydrate c. decomposer
b. consumer d. producer
____ 18. A lipid that contains phosphorous and that is a structural component
of cell membranes
- protein c. carbohydrate
- phospholipid d. nucleic acid
____ 19. Which of the following is NOT a characteristic that all organisms share?
a. ability to see c. ability to use energy
b. ability to grow and developd. ability to sense and respond to change
____ 20. What molecules form much of the cell membrane
a. phospholipid c. ATP molecules
b. amino acidsd. nucleic acids
____ 21. Which of the following reproduce through asexual reproduction?
- tigers c. hydra
- humans d. dinosaurs
____ 22. What do gravity, light and sound have in common?
- They are all necessary for life to existc. They all make noise
- They are characteristics of living thingsd. They are all stimuli
____ 23. What type of molecule is DNA?
a. an amino acid c. a protein
b. a lipid d. a nucleic acid
____ 24. What happens when organisms reproduce?
a. They grow and develop
b. They sense change in their environment
c. They maintain a stable internal environment
d. They make organisms similar to themselves
____ 25. How much of the human body is water?
- 100% c. 70%
- 0% d. 11%
____ 26. Which is NOT a basic need of most organisms
- food c. plants
- air d. water
____ 27. What is a complex carbohydrate manufactured by plants?
a. starch c. oil
b. protein d. hemoglobin
____ 28. What do most of the chemical reactions involved in metabolism require?
- phospholipids c. water
- carbon dioxide d. carbohydrates
____ 29. The molecule that provides energy for cellular processes is?
- ATP c. RNA
b. DNA d. protein
_____ 30. Which of the following is not true of proteins?
- They are a component of spider webs
- They are obtained from food
- They are the main source of energy for cells
- They supply the building blocks needed to repair tissues