Question

practice: identify which characteristics of living things is being described in each of the statements below. some may be used more than once and some may have multiple answers. a. all living things are made of cells b. all living things contain dna c. all living things obtain and use energy d. all living things are able to adapt and evolve e. all living things grow and develop f. all living things respond to stimuli g. all living things are able to maintain homeostasis h. all living things must reproduce 1. an amoeba is a unicellular organism. 2. as a sea worm is placed in fresh water, the pulse slows down in order for the worm to conserve energy. 3. a caterpillar hibernates in a cocoon, and emerges as a butterfly. 4. the roots of a plant grow towards a source of ground water. 5. the body begins to shiver to keep its temperature at 98.6 degrees. 6. the thorny devil lizard lives in the desert and is able to absorb water from the air through its skin. 7. it is believed that the elephant and mammoth shared a common ancestor. 8. an organism generates more red blood cells when oxygen levels decrease. 9. ladybugs eat aphids. 10. juan’s hair grew 1 inch over the summer.

Explanation:

1. A (unicellular organism has cells).
2. C (conserving energy).
3. E (metamorphosis - growth and development).
4. F (response to water stimulus).
5. G (shivering for temperature homeostasis).
6. D (adaptation to desert).
7. D (evolution from common ancestor).
8. G (homeostasis of oxygen levels).
9. C (obtaining energy by eating).
10. E (hair growth).

Answer:

1. A
2. C
3. E
4. F
5. G
6. D
7. D
8. G
9. C
10. E