Share Honors Biology Spring Midterm Review II
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What is resilience?
Resilience describes a natural or human system’s ability to recover after a disturbance.
If the biodiversity of an ecosystem is scarce, we say it has more or less resilience?
Less resilient
Define the molecular basis of Biodiversity
Biodiversity is the total of all genetically based variation in all organisms in the biosphere.
Succession that occurs when a disturbance affects an existing community but doesn’t completely destroy it
Secondary Succession
The first species to colonize barren areas are called:__________
Pioneer Species
Succession that begins in areas that have no remnants
of an older community
Primary Succession
A relationship in which one organism lives inside or on another organism and harms it.
Parasitism
A relationship between two species in which both species benefit.
Mutualism
A relationship in which one organism benefits and the other is neither helped nor harmed.
Commensalism
What is a keystone species?
A keystone species plays a vital and unique role in maintaining structure, stability, and diversity in an ecosystem
State the “Competitive Exclusion Principle”
No two species can occupy exactly the same niche in exactly the same habitat at exactly the same time.
_____________ starts when organisms attempt to use the same limited ecological resources in the same place at the same time
Competition
What is species tolerance?
the range of external conditions within which a species can survive and reproduce
Draw simple graph of the Predator-Prey Dynamics
Title, X, Y, predator/prey
Rock-paper-scissors challenge, each team chooses a representative: if the opposing team wins, no points are awarded.
5 extra points!
