Selection of mates based on appearance or some other characteristic is termed:a
zygotic choice.
b. sexual selection.
c. postzygotic selection.
d. gametic preference.
e. sexual orientation
B
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The collagen fibers in bone are secreted by osteoblasts
____________________ Indicate whether the statement is true or false.
Which of the following statements is NOT true of megaspores?
A. Megaspores produce female gametophytes. B. Megaspores are larger than microspores. C. A megaspore is a kind of spore of a seed plant. D. The cells of the walls of the megasporangium are diploid but the megaspores themselves are haploid. E. Megaspores are diploid.
________ are proteins associated with clathrin-coated vesicles that are involved in the binding of vesicles to specific receptors.
Fill in the blank(s) with the appropriate word(s).
A graph that compares the relative number of individuals within different age groups of a population is called an age ________
Fill in the blank(s) with correct word