1. Succession in Ecosystems SOL Bio 9c
Human Population
SOL BIO 9a

2. _____________________-
a series of _________________ in a __________________ in which new populations of organisms ______________ _______________ existing ones

3. ___________ ________________-
colonization of ______ sites by communities of organisms – takes place on _______ ________

4. _____________ ______________-
New ______________ rock comes from _____ sources:
1. ____________________ lava flow cools and forms rock

5. ______________ ______________-
New _____________ rock comes from 2 sources:
2. _________________ retreat and __________ rock

6. ______________ ______________-
the first organisms to colonize a new site
Ex: __________ are the __________ to colonize lava rocks

7. ______________ ______________-
Rock

8. _______________ _____________-
a stable, mature community that undergoes _______________ or _______ succession

9. _______________ _____________-
Ex: In most of _______________, the climax community would be a _________ ___________–_______________forest
                                                                                                                                

10. ______________ ______________-

11. _______________ _____________-
sequence of community ____________ that takes place when a community is __________________ by natural disaster or _______________ actions – takes place on ________________ soil

12. ______________ ______________-
Ex:
A _____________ levels portions of a forest

13. ________________ ____________-
Ex:
A farmer plows his field

14. ______________ ______________-

15. Pond Succession

16. Population Growth
SOL BIO 9a

17. Factors That _________ Future Population Growth
____________ + + -
Population
________
______ -
___________

18. Other factors that affect population growth
_______________ ______________- any ___________ or __________ factor that restricts the existence of organisms in a specific environment.
EX.- Amount of ________
Amount of ___________
__________________

19. Other factors that affect population growth
______________ _____________- the _____________ population size that can be supported by the available resources
There can only be as ________ organisms as ________________ resources can support
Although several species may share a habitat they each have their own niche. A niche is a very narrow range where a species fits within a habitat.

20. _______________ ________________Nu m b e r
J-shaped curve (exponential growth)
Carrying Capacity (k)
S-shaped curve (logistic growth)
Ok so
Time

22. 2 Life History Patterns 1.__ ___________ __________ life span
________ body size
Reproduce ________
have many young
Little __________ care
Ex: cockroaches, weeds, bacteria

23. 2 Life History Patterns 2.__ _________ _______ life span
______ body size
Reproduce ______
have few young
_________ parental care
Ex: humans, elephants

24. Human Population Growth