Term
The study of interactions between organisms and their interrelationships with the physical environment is known as
A. cytology
B. ecology
C. physiology
D. embryology |
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Definition
| The study of interactions between organisms and their interrelationships with the physical environment is known as ecology. Cytology is the study of cells, physiology is the study of the organism, and embryology is the study of embryos and their development. [image] |
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Term
Most of the nutrients in food are absorbed in the body's
A. stomach
B. pylorus
C. small intestine
D. large intestine |
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Definition
| Most of the nutrients in food are absorbed in the body's small intestine. [image] |
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Term
The gene for color blindness is X-linked. If normal parents have a color-blind son, what is the probability that he inherited the gene for color blindness from his mother?
A. 0%
B. 25%
C. 50%
D. 100% |
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Definition
| If normal parents have a color-blind son, the probability that the son inherited the gene for color blindness from his mother is 100%. This is because color blindness is a sex-linked trait that is found on the X chromosome, which is inherited from the mother, as opposed to the Y chromosome, which is inherited from the father. Thus a male can only inherit the gene for color blindness from his mother. |
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Term
Which of the following animals has the highest metabolic rate?
A. dog
B. horse
C. mouse
D. rabbit |
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Definition
| The smaller the body mass of an animal, the higher its metabolic rate. Thus, of the animals listed, the mouse has the highest metabolic rate. |
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Term
Which of the following states of electromagnetic radiation has the longest wavelength and lowest frequency?
A. radio waves
B. microwaves
C. gamma rays
D. visible light |
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Definition
| Of the states of electromagnetic radiation listed, radio waves have the longest wavelength and lowest frequency. |
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