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Ecology Notes #2 - Crash Course Biology Episode #6 - Community Ecology

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Last updated over 2 years ago
8 questions
Note from the author:
As you watch the video, take notes in your notebook. If you would rather keep a binder, that is fine, too. The template for the notes is listed below. You are welcome to print this off OR to recreate something similar in your notebook.
As you watch the video, take notes in your notebook. If you would rather keep a binder, that is fine, too. The template for the notes is listed below. You are welcome to print this off OR to recreate something similar in your notebook.
Question 1
01:06
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Question 2
02:09
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Question 3
02:19
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Question 4
03:40
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Question 5
04:34
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Question 6
04:47
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Question 7
10:19
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Question 8
12:20
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2
Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.
Bees pollinating flowers is an example of __________.
Crocodiles feeding on wildebeest is an example of a __________ relationship.
Question 8
8.
During a drought, hardly any plant grow so there is little food for the primary consumers. As a result, many of them starve leaving little food for the secondary consumers. This is an example of __________ regulation.
As a result of overhunting, the sea otter population collapses, causing a increase in sea urchin population (their food). Since urchins feed on kelp, the kelp forest disappear as a result. This is an example of __________ regulation.
A community is basically an ecosystem without what?
decomposers
producers
biotic factors
abiotic factors
consumers
What is the most common criterion used to determine if two individuals belong to the same species?
It's just obvious.
If they look alike, then they are the same species.
If they can have babies, then they are the same species.
If they live in the same area, then they are the same species.
Why is having high biodiversity beneficial for a community? (2 answers)
It makes the community more resistant to disturbance
It contributes to community stability
It decreases predation
It increases the energy available
What did he all the first species to come back in a community after a distrubance?
maverick species
interspecific species
pioneer species
keystone species
What do you think the parts of the word "interspecific" mean? (i.e., "inter" and "specific")
into the ocean
between species
around whenever
bury that
What does the "(+/-)" after predation mean?
Predators may or may not eat their prey
Number of prey a predator eats varies
The predator benefits (+) and the prey is harmed (-)