The photos of the Muir Glacier taken in 1941 (left) and 2004 (right) demonstrate the consequences of____
a. deforestation
b. biological magnification
c. acid rain
d. ozone destruction
e. global climate change
ANSWER: e
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Most cycads are pollinated by insects
A. true B. false
Bull dogs have been bred to have such a large head size that they can no longer give birth naturally. The process by
which these dogs changed over time is called ____.
a. artificial breeding b. artificial selection c. artificial evolution d. artificial engineering e. artificial insemination
A flower that lacks one or more of the four types of modified leaves is referred to as ____
a. perfect b. imperfect c. complete d. incomplete e. irregular
Which protist group possess a crystalline rod in their flagella?
a. ciliates b. diatoms c. euglenoids d. water molds e. zooxanthellae