L2: Classification and dichotomous keys

Species
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Terms in this set (14)
Species
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Classification
the action or process of classifying something according to shared qualities or characteristics.
how to classify living organisms
uses characteristics that do not change over time
dichotomous key
an aid that is used to identify organisms and that consists of the answers to a series of questions
Levels of classification
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
vertebrate
an animal that has a backbone
invertebrate
An animal without a backbone
Examples of invertebrates
jellyfish, worms, insects,spiders, and lobsters
examples of vertebrates
fish, amphibians, reptiles, birds, mammals
Mammals
Living things with vertebra, hair or fur, gives birth to babies, feed the babies milk form their bodies & warm blooded.
ReptilesLand & water animals, no vertebra, most lay eggs some have babies, smooth or rough scaly skin, no legs or arms.amphibianA vertebrate that lives part of its life on land and part of its life in water.FungiKingdom composed of heterotrophs; many obtain energy and nutrients from dead organic matterBacteriasingle-celled organisms that lack a nucleus; prokaryotes