Notochords and stomochords are homologus
a. true
b. false
Ans; b. false
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The membrane component(s) primarily responsible for the structure and function of plasma membranes is/are
A. glycosylated proteins. B. phospholipids. C. glycolipids. D. nucleic acids. E. cholesterol.
A change in chromosome number during
fertilization can lead to
a. sympatric speciation. b. disruptive selection. c. directional selection. d. hybrid sterility. e. allopatric speciation
Hawaiian honeycreepers exhibit diverse beaks that allow them to feed on insects, flowers, and seeds in their different
habitats. This is an example of ____.
a. a derived trait b. convergent evolution c. morphological convergence d. morphological divergence e. a key innovation
What type of infectious agent causes potato spindle tuber disease?
A. Viroid B. Prion C. Virus D. Virino