Which of the following is NOT a density dependent, growth-limiting factor?
a. predation
b. water shortage
c. parasitism
d. competition
e. disease
B
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Which of the following are arranged in the sequence in which the various taxa first appeared in time?
A. bacteria, protists, liverworts, lycophytes, streptophytes, angiosperms, gnetophytes. B. prokaryotes, protists, mosses, streptophytes, conifers, ferns, angiosperms. C. bacteria, streptophytes, protists, mosses, angiosperms, cycads. D. protists, prokaryotes, streptophytes, ferns, mosses, angiosperms, conifers. E. prokaryotes, protists, streptophytes, mosses, ferns, conifers, angiosperms.
The common house mouse species, Mus musculus, has the following classification: Musculus, Mus , Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. What part of the name is the family?
A. Rodentia B. Muridae C. Animalia D. Chordata
How many other bands of sea-floor crust in the figure above have the same magnetic polarity as the crust that directly straddles the rift valley?
A) two bands B) four bands C) five bands D) eight bands
The embryo is located inside the cotyledon.
Answer the following statement true (T) or false (F)