Shared Flashcard Set

Details

Biology Ecology Test
Summer School @ Los Gatos High
23
Biology
9th Grade
07/21/2009

Additional Biology Flashcards

 


 

Cards

Term
What is biodiversity?
Definition
When organisms are affected by changes in habitat
Term
Changes in an ecosystem result from changes in which four factors?
Definition
Climate, Human activity, Population, and Introduction of nonnative species
Term
How do the relative rates of birth, immigration, emigration, and death each affect the size of populations?
Definition
The relative rates affect the size of populations because population sizes of any organism in an ecosystem decreases through decreased rates of birth and immigration and increased rates of emigration and death
Term
A vital part of an ecosystem is the ________ of its _____________ and __________
Definition
Stability
Producers
Decomposers
Term
At each link in a food web some _______ is stored in newly made _________ but much of it is __________ into the environment as ____________
Definition
Energy
Structures
Released
Heat
Term
What is an ENERGY PYRAMID?
Definition
A visual representation of the amount of energy and energy loss in ecosystems. The sunlight divides by 10 as you go up
Term
What is Batesian mimicry?
Definition
When a harmless prey blends in with a poisonous animal.
Term
What is Mullerian mimicry?
Definition
When a prey mimics the poison mark of another
Term
What is cryptic coloration?
Definition
Just like crypsis
Term
What is countershading?
Definition
When organisms have light undersides and dark backs.
Term
What is special resemblance?
Definition
When an organism not only resembles it's color, but also its SHAPE. Usually a twig, stick, grass, or leaf
Term
Commensalism
Definition
One species benefits and the other is not affected +/0
Term
Mutualism
Definition
Both species benefit from each other
+/+
Term
Parasitism/Predation
Definition
One species benefits, and one is harmed
+-
Term
Competition
Definition
Both animals are harmed
-/-
Term
Neutralism
Definition
Neither animal is affected
0/0
Term
Amensalism
Definition
One is harmed and the other is not affected
-/0
Term
What are the 6 types of ecological interactions between organisms?
Definition
Commensalism, Mutualism, Parasitism/Predation, Competition, Neutralism, Amensalism
Term
Structural Adaptation
Definition
Changes in form to avoid being eaten
Term
Natural Variation
Definition
No two individuals of a species are identical.
Term
Natural Selection
Definition
Term
What are four abiotic factors?
Definition
Light, Soil, Gases, Water
Term
The non-living part of the ecosystem is called
Definition
Abiotic Level
Supporting users have an ad free experience!