There are three conditions that must be met for natural selection to occur. The first is there must be a variation in characteristics. Different individuals in a population must have different traits. What was the different trait the surviving cactus had?
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12 comments:
It had spikes so it would survive.
it had spikes so it would survive
mya said......
It had spikes so it would survive.
It had spikes so it would survivE
Spike to Survive
Thorns that kept predators from consuming it
The surviving cactus had spikes.
The surviving cactus had sharp spikes on it.
It was a prick. And everybody stays away from pricks.
Spikes as a defense mechanism.
The surviving cactus had spikes
it have spike
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