3.3 Flashcards
(11 cards)
1
Q
What is a pioneer species?
A
A pioneer species is a species that is the first species to be alive in an ecosystem.
2
Q
What is the difference between primary and secondary succession?
A
Primary succession is when the ecosystem is developing first, such as when it develops on a glacier. Secondary succession is when the ecosystem develops after it has already developed, but it had a major event that badly damaged the ecosystem.
3
Q
What is a keystone species?
A
A keystone species is the species that keeps another species or two from taking over the whole ecosystem.
4
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11
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