Population Flashcards
(22 cards)
All species that occur at any particular location
Population
A community that is an intergrayed unit
Holistic community concept
More than the sum of its part part of the holistic community concept
Superorganism
Concept favored more by scientist
Individualist
This talk way a species used environmental resources
Niche
Entire niche that whole species is capable of using
Fundamental niche
Environment being occupied that allows establishment of stable population despite predators
Realized niche
What is niche competition
If 2 species attempt to occupy same niche with limited resources 1 will go extinct
What is strong selective pressure
Prey predator interaction
Allopatric species
Don’t live in same area so no completion
Sympatriv species that avoid competition while occupying same geographic area by living in different portions
Resource partitioning
Between individuals of a single species
Intraspecific
Between different species
Interspecific competition
Prey or host is harmed in 2 or more interactions
Parasitism
Insect that’s lay eggs on living host
Parasitoid
1 species benefits and other species is neither helped or harms
Commensalism
Chemicals that play dominant role in protecting plants from being eaten by herbivores
Secondary compounds
Ability of insects to blend with their environment to avoid predation
Cryptic coloration
Palatable species looks like dostasteful species
Batesian mimicry
Occurs on bare lifeless substrates
Primary succession
Occurs in areas where an existing community has been disturbed
Secondary succession
2 or more unrelated species resemble one another
Mullerian