Which of the following statements about ecological
succession is false?
a. A disturbed area within a community may
recover quickly if improved soil remains.
b. Pioneer species are the start of community
structure.
c. The wastes and remains of early colonizers favor
the survival of new species.
d. Secondary succession occurs on a new volcanic
island.
e. Later successional species outcompete earlier
species.
Answer: d
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The extinct vascular plants of our planet’s past likely lacked true leaves and bore the most resemblance to which modern-day group?
a. flowering plants b. trees c. mosses d. ferns
Resource partitioning is the result of ____
a. parasitism b. mutualism c. competition d. predation e. commensalism
Which of the following structure contains the cells genetic material ?
a. cytoplasm b. nucleus c. mitochondria
Which statement is correct, according to the figure above?
a. Descendant populations of the mustard plant growing after the severe 2000–2004 drought flowered much earlier in the season than those from predrought populations. b. Descendant populations of the mustard plant growing after the severe 2000–2004 drought flowered much later in the season than those from predrought populations. c. Hybrids flowered much later in the season than those from predrought populations. d. None of the above. e. B and C.