Classification

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What are the five kingdoms?
Plants, animals, fungi, protoctists, prokaryotes
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What are autotrophs?
Make their own food
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How is something classified as a plant?
Contain chlorophyll, autotrophs, multicellular and rigid cell walls.
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What are heterotrophs?
Can't make their own food, have to find it.
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How is something classified as an animal?
Heterotrophs, multicellular, no cell wall, no chlorophyll.
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What are saprophytes?
They feed off dead organisms and decaying material.
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How is something classified as fungi?
saprophytes, multicellular, cell wall, no chlorophyll.
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How is something classified as protoctists?
Unicellular, nucleus
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How is something classified as prokaryotes?
Unicellular, no nucleus
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What are all the classifications that kindoms split into?
Kingdom, Phylum, Class, Order, Family, Genus, Species
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What is the binomial system?
Genus and Species
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Why is classifying species important to scientists?
They can accurately identify species where ever they are and there is no confusion,
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Why is the binomial system important? (3)
Clearly identifies species, Study and conserve species, Target conservation efforts.
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What is a species?
A group of organisms that can interbreed to produce offspring that are fertile.
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What is an organism that is difficult to put in a kingdom and why?
Euglena, It has chloroplasts like a plant, It has no cell wall like an animal, It has a flagellum to swim with like bacteria.
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What are virus classified as?
They aren't classified as a living thing.
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Why do they not classify viruses? (2)
It does not show all seven life processes, When it enters a cell it changes the way the cell works and makes copies.
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What are vertebrates?
They have a supporting rod that runs the length of their bodies (backbone).
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What is something called if it doesn't have a backbone?
Invertebrates.
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What are the groups of vertebrates? (5)
Reptiles, Amphibians, Fish, Birds, Mammals
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What does oviparous mean?
Lays eggs.
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What does viviparous mean?
Gives birth to live young.
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What does hoeotherms mean?
Regulates their own body temperature.
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What are Poikilotherms?
Body temperature changes depending on the temperature of the surroundings.
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What ways are vertebrates classified? (3)
The way oxygen is absorbed, Reproduction, Thermo-regulation.
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What are the features of Reptiles? (4)
Lungs, internal fertilisation, Oviparous, Poikilotherm.
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What are the features of Amphibians?
Adults have lungs Larvae have gills, External fertilisation, Oviparous, Poikilotherm.
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What are the features of Fish?
Have gills, External fertilisation, Oviparous, Poikilotherm.
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What are the features of Birds?
Have lungs, Internal fertilisation, Oviparous, Homeotherm.
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What are the features of mammals?
Have lungs, Internal fertilisation, Viviparous, Homeotherm.
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What is an example of fitting all vertebrates into these groups?
Sharks, they are fish but they use internal fertilisation and give birth to live young.
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How can classification be complicated? (3)
Variation within species, Hybridisation, Ring Species.
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What is a hybrid?
The offspring of two closely related species that has characters of both (often infertile).
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What is a Ring Species?
Neighbouring populations of species may have slightly different characteristics but can still interbreed as part of a chain.The two ends of the chain can't interbreed.
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What is a key?
It is used to help identify a species. They can either be branching or a series of paired statements about the physical characteristics.
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Other cards in this set

Card 2

Front

What are autotrophs?

Back

Make their own food

Card 3

Front

How is something classified as a plant?

Back

Preview of the front of card 3

Card 4

Front

What are heterotrophs?

Back

Preview of the front of card 4

Card 5

Front

How is something classified as an animal?

Back

Preview of the front of card 5
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Comments

Swallowtail

This is a useful set of cards to use to learn all the many key terms and definitions found when studying classification. Match these up with a detailed set of notes and a quiz or two to test your knowledge.

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