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Question 6
An increase in fitness — the survival of more offspring — that occurs due to competition among males and mate choice by females is called
Select one :
a . altruistic behavior .
b . selfish behavior .
c . natural selection .
d . sociobiology .
e . sexual selection .
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Question 7
Tundra is divided into alpine tundra at the top of mountains and arctic tundra found close to the North Pole . These two biomes have similar plants and animals even though they can be located in vastly different regions of the world . What causes these two biomes to be similar ?
Select one :
a . Both are found close to coniferous forests .