The Hawaiian Islands have formed as the result of ________
a. hot spots forming
b. faults forming
c. oceanic ridges forming
d. ocean trenches forming
e. boundaries forming
a
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Which of the following are examples of macroevolution?
A. Mass extinctions that wipe 50% or more of living species B. The evolution of novel biological features C. The creation of new species D. All of the above are examples of macroevolution
An organ that is hygroscopic
a. is sensitive to changes in moisture. b. is exemplified by the peristomal teeth in the sporophyte of mosses. c. may aid in spore dispersal in mosses. d. is all of the above.
If long or round are homozygous forms of an
incompletely dominant gene, and oval is the phenotype of the heterozygote, give the F2 ratio of the cross between long and round (both genotype and phenotype). What will be an ideal response?
The ovarian structure that secretes the most estrogen and progesterone after ovulation is the _____.
A. follicle B. corpus luteum C. oviduct D. endometrium