Parasitism usually affects populations in a ____________ manner.
A. density-independent
B. density-dependent
C. inverse density-dependent
D. cyclic
E. random
B. density-dependent
You might also like to view...
Short hair (L) is dominant to long hair (l). IS a short-haired animal of unknown genotype is crossed with a long-haired animal and they produce one long-haired and one short-haired offspring, the results would indicate that
a) the short-haired animal was homozygous. b) the long-haired animal was heterozygous. c) the short-haired animal was heterozygous. d) both the long-haired and short-haired animals were heterozygous.
Prokaryotes are classified as belonging to two different domains. What are the domains?
A) Bacteria and Eukarya B) Bacteria and Archaea C) Archaea and Protista D) Bacteria and Protista
Which of the following describes a chemical element that a plant must obtain from its environment in order to complete its life cycle?
A) macronutrient B) micronutrient C) essential element D) mineral
Which type of microscopy would be preferred for showing fine internal detail of the eukaryotic organelles?
A. Scanning electron microscopy B. Bright-field microscopy C. Fluorescence microscopy D. Transmission electron microscopy