Ecology (community) Flashcards
Competitive exclusion is?
A)-,-
B) -,+
C) +,+
A) -,-
Completion is bad because they compete for limited recourses!
An organisms ecological role
Niche
Predation is?
A) -,-
B) +,-
C) +,+
B) +,-
Only benefits one!
Mutualism is?
A) -,-
B) +,-
C) +,+
C) +,+
Helps both like the bird eats bugs off the oxen!
The one organism benefits off the other while the other is unaffected
Comensalism
What drives organisms to evolve?
Predation! Because they develop defenses to protect themselves
Defense mechanism that makes the Organism appear invisible with it’s surroundings.
Camouflage
Defense mechanism where the organism uses bright colors to warn predators that they are poisoness or deadly to consume.
Aposematic coloration
The type of defense that makes the organism look like a dangerous predator or a poisoness organism but there not.
Batesian mimicry
Type of defense where the organism actually adapted to be like a poisoness organism or a dangerous predator.
Mullarian mimicry
This type of species is the key role of it’s community and has a strong effect on the composition of that community
Keystone species
The first new species to arrive after a succession has occured
Pioneer species
Type of succession that begins with virtually no life at all and then begins to Have life come to it.
Primary succession
Type of succession where existing community is cleared out by a disturbance and new life begins to form.
Secondary succession
First type of species to form after a succession?
Weeds and grasses