Bony fish usually do not need to adjust pupil size because:
a. their eyelids protect their eyes from bright light.
b. the quantity of light is relatively low.
c. they can move their lens forward and backward.
d. a in conjunction with c
B
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Pollen germination refers to the process of:
A. pollen attachment to the stigma B. pollen dispersal C. sperm development D. double fertilization E. development of the pollen tube
Actin bundles give shape and support to the ________ found in cells of the small intestine.
A) centrosomes B) microtubules C) microvilli D) nuclei E) lamellipodia
DNA extracted from hair, blood, or other bodily fluids and tissues from a crime scene can be used as evidence in a criminal case. What features of human DNA are typically used to "match" DNA found at a crime scene with the DNA of an individual?
A) restriction fragment length polymorphisms created by digestion with one restriction endonuclease B) variability in the number of short tandem repeats at 13 sites within the human genome C) the complete sequence of the human genome D) single nucleotide polymorphisms E) single nucleotide polymorphisms that cause restriction fragment length polymorphisms
_________ occurs when two or more species live intimately together with their fates linked
Fill in the blank(s) with the appropriate word(s).