Animals that mark and defend a home range against other animals are exhibiting
A. symbiotic behavior.
B. territorial behavior.
C. imprinting.
D. habituation.
E. taxis behavior.
B. territorial behavior.
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Fungi capable of dimorphism grow either as
A. rhizoids or hyphae. B. yeast-like or mycelium. C. germ tubes or buds. D. spores or mushrooms.
Match the terms with the best description. _____ base pair substitution _____ promoter _____ polysome _____ exon _____ genetic code _____ intron _____ base pair deletion
a. protein-coding segment b. causes a shift in the mRNA reading frame c. may result in the replacement of one amino acid for another d. removed before translation e. many ribosomes translating the same mRNA f. complete set of 64 codons g. binding site for RNA polymerase
Which of the following exhibits a Type III survivorship curve?
a. oak tree b. sparrow c. human being d. whale
Of the following four species, which one lies closest to modern humans?
A) Homo neanderthalensis B) Homo ergaster C) Homo habilis D) Homo erectus