Which of the following is a substance that an organism needs for growth and survival but cannot make for itself?
A. Sunlight
B. Water
C. Nutrient
D. Chlorophyll
E. ATP
Answer: C
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In the life cycle of a flowering plant, the ___
a. sporophyte is dominant b. gametophyte is dominant c. sporophyte initially is dominant and then the gametophyte becomes dominant d. gametophyte is initially dominant and then the sporophyte becomes dominant e. gametophyte and sporophyte are codominant
If a person is choking, the __________ maneuver can be used to expel food from their trachea. Fill in the blank(s) with the appropriate word(s)
The sex chromosome composition of a person with
Turner syndrome is a. XXX. b. XO. c. XXY. d. XYY. e. none of these.
What disease was studied in a famous pedigree analysis that included thousands of people?
a. Alzheimer’s disease b. Huntington’s disease c. cystic fibrosis d. sickle-cell anemia e. Turner’s syndrome