Parasitism, competition, and predation are density-independent factors that help control population size.
Answer the following statement true (T) or false (F)
False
Parasitism, competition, and predation are density-dependent, not density-independent, factors that help control population size.
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Among Madagascar hissing cockroaches, males have horns that they use to fight with one
another for access to mates. Typically, the largest male with the biggest horns wins most of the fights and tends to mate with most of the females. This is an example of __________.
a. dominance hierarchy b. intraspecific competition c. niche partitioning d. all of these e. both dominance hierarchy and intraspecific competition
By analogy, the orbitals and atomic nucleus may be
said to most resemble a. a merry-go-round. b. a sundial. c. a multilevel apartment building. d. a nest of mixing bowls. e. ripples in a pond.
Which of the following traits is not a characteristic of Staphylococcus aureus ?
A) Highly resistant to drying B) Highly resistant to extremes in pH C) Highly resistant to high temperatures D) Resistant to high salt (7.5%) E) Highly resistant to high sugar concentrations
Enzymes are named based on the substrate that they bind. This is possible because
- enzymes all have the same shape. - enzymes are used up in the reaction. - an enzyme binds one specific substrate. - enzymes speed up the rate of a reaction. - an enzyme is only associated with one metabolic pathway.