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level: Species: What?, Where? and How?

Questions and Answers List

level questions: Species: What?, Where? and How?

QuestionAnswer
Biological Definition of SpeciesGroup of organisms which can mate with each other and produce viable offspring [Hybrids are NOT species as they are infertile (Male donkey + Female Horse = Mule, Zebra + Donkey = Zonkey, Lion + Tiger = Liger)]
Flaws in the Biological Definition of SpeciesAsexual Reproduction: No mating occurs, however, bacteria are still considered as species Extinct Organisms: Mating between some species is unknown
Morphological Definition of SpeciesCharacteristics of physical form such as shape, size, the presence/absence of physical features
Phylogenetic Definition of SpeciesTrace and comparison of DNA
Interspecific CompetitionBoth species are harmed: Species competing/fighting for limited resources
PredationA species benefits whilst the other is harmed: Predator kills and eats another organism
Micro-predationA species benefits whilst the other is harmed: Predator kills and eats part of another organism
SymbiosisAn ecological relationship in which two species live together in close association with eachother
ParasitionSymbiotic relationship in which a parasite benefits at the expense of the host - parasite does not aim to kill the host [Ticks, Diseases]
MutualismSpecies association wherein both parties benefit [Clownfish with sea anemone]
CommensalismSymbiotic relationship in which one species benefits and the other is not benefited nor harmed [Bird's nest in a tree]
AmensalismSymbiotic relationship wherein one species benefits and the other neither benefits nor is harmed
HabitatNatural home of an organism: includes all the organism's requirements
MacrohabitatLarge scale place in which a species lives, providing needs such as food, water and conditions for reproduction [City/Town]
MicrohabitatImmediate, small scale place in which a species lives [Suburb/Street]