The smartest of all invertebrates is the
a. octopus.
b. squid.
c. slug.
d. ant.
e. crab.
A
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A species goes extinct without any clear, single cause.
A. hotspot B. habitat loss C. edge effects D. megafaunal extinction E. extinction vortex
What are the odds a child will inherit a recessive disorder if both parents are heterozygous?
a. 50% b. 40% c. 25% d. 75% e. 33%
An example of a prezygotic isolating mechanism is behavioral isolation
Indicate whether the statement is true or false.
Which of the following cell junctions are responsible for allowing the bladder lining to stretch, thus
accommodating increasing volumes of urine?
a. anchoring junctions b. gap junctions c. tight junctions d. anchoring junctions and gap junctions e. anchoring junctions, tight junctions and gap junctions