What is the simplest method to measure population density in a given area?
A. Count the number of organisms.
B. Perform a line transect.
C. Look for random dispersion patterns.
D. Count the number of reproductive adults.
E. Calculate a survivorship curve.
A. Count the number of organisms.
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Mechanisms that evolved in plants to regulate the rate of water loss do not include
A. becoming dormant during dry times of the year. B. losing leaves. C. producing leaves that are thick and hard. D. containing stomata in crypts or pits. E. increasing the number of water vacuoles in the cells.
Excess glucose is converted into glycogen in the:
a. pancreas b. liver c. thymus d. thyroid e. small intestine
Which of the following contain enzymes, are the
main organelles of intracellular digestion, and can digest whole cells? a. Golgi bodies b. vesicles c. peroxisomes d. lysosomes e. endoplasmic reticula
Plasmodium, the organism that causes malaria, is a(n)
A) amoeba. B) stramenopile. C) ciliate. D) alveolate.