The long neck of a giraffe has developed over a long period of time because giraffes have needed to stretch their necks to reach food high in trees, and that quality has been passed on through the generations. This view of evolution would correspond with
the ideas of:
A) Charles Lyell. B) Georges Cuvier.
C) Alfred Russel Wallace. D) Jean-Baptiste de Lamarck.
Answer: D
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Which of the following macromolecules are polymers?
A. lipids B. carboyhydrates C. nucleic acids D. proteins E. All of the choices are correct.
Volume increases by the ____ of the diameter,
and surface area increases by ____ of the diameter. a. square; doubling b. square; the cube c. cube; the square d. cube; the cube e. none of these is the correct answer
Costameres, in which cytosolic actin filaments are linked to extracellular laminins through dystrophin–dystrogylcan complexes, are found in
A) skin cells. B) intestinal epithelial cells. C) striated muscle cells. D) nerve cells. E) pancreatic cells.
In flowering plants, the mature male gametophyte is produced
A. within the ovule just prior to fertilization. B. in the anther. C. within the pollen granule during transfer. D. when the pollen makes contact with the stigma. E. in the pollen tube when the generative cell divides.