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1.   Please explain the difference between evolution and natural selection.

2.   Please explain why so many antibiotics are not effective today?

Why is it important to take your full prescription of antibiotics even if you feel better after the 4th day?





3.   Describe the terms below and explain how they are evidence for evolution.

a.     Fossil record

b.    Biogeography

c.     Comparative anatomy

d.    Bioinformatics



4.   What type of reproductive barrier is described by these examples?

behavioral isolation,              mating time differences,        habitat isolation,

mechanical incompatibility,  gametic incompatibility,         hybrid weakness. (3 pts)


a.     Each species of firefly has its own distinct blinking pattern for finding a mate.


b.    Monkeyflowers, a type of flowering plant, rely on pollinators for fertilization. One species depends on bees and another species depends on hummingbirds.


c.     Coral releases sperm and egg into the water, where they merge and form offspring. Each coral species times its release to a certain season or phase of the moon. 

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Subject: Biology, Science
1.Please explain the difference between evolution and natural selection. 2.Please explain why so many antibiotics are not effective today? Why is it
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