3.02 Ecosystem, Biotic Factors, and Abiotic Factors
3.03 Biomes
3.04 Populations and Carrying Capacity
CK12
Ecosystems
Predation
Competition
Symbiosis
Population
Population Growth Patterns
Question 9
9.
Review Materials
OLS Readings
3.07 Ecosystem Stability
3.08 Changing Ecosystems
3.06 Biodiversity
CK12
Trophic Levels
Succession
Biodiversity
Question 10
10.
Question 1
1.
Why would it be important to understand what controls the number and types of species in an ecosystem?
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Sites without otters had __________ urchins and __________ kelp.
Sites with otters had __________ urchins and __________ kelp.
Question 6
6.
How had human activity influenced the trophic cascade of the Aleutian Islands kelp forest?
Question 7
7.
Why are apex (top) predators critical to ecosystem structure?
I can use data to explain factors that affect the carrying capacty of ecosystems
I can evaluate conditions that result in stable ecosystems or may result in a new ecosystem.
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The bottom-up explanation did not explain why herbivore populations do not grow large enough to eat all the producers.
True
False
What conclusion did Paine arrive at after seven years?
Paine discovered that one predator could regulate the composition of an entire community.
Paine discovered that one predator could NOT regulate the composition of an entire community.
What is a keystone species?
A species that causes ecological or economic harm in a new environment where it is not native
A relationship between two different species in which each benefits
A species that has a large direct and indirect effects on the abundance and number of species in an ecosystem