What results as the size of a population approaches the carrying capacity of its environment?
A) The growth rate increases.
B) A graph of population growth resembles a "J."
C) The population stabilizes at its maximum size.
D) Birth rates become proportionally much greater than the death rates.
C
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The presence of gram-positive diplococci in a sputum sample most likely indicates an infection of
A) Streptococcus pyogenes. B) Streptococcus pneumoniae. C) Corynebacterium diphtheriae. D) Bordetella pertussis.
The upper angle between a stem and attached leaf is called a(n) ____
a. terminal bud b. internode c. axil d. lateral bud e. node
An animal whose body temperature tends to fluctuate with the external environment is an
A. thermophile. B. mesophile. C. amniote. D. endotherm. E. ectotherm.
Which of the following is properly matched?
A. Osteoblasts and bone breakdown B. Osteocytes and initial bone formation C. Osteoclasts and initial bone formation D. Osteoclasts and bone breakdown E. Osteoblasts and cartilage formation