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Science Yearly Exam Revision 2023 > Classification > Flashcards

Classification Flashcards

1
Q

What does MRS GREN stand for?

A

M - Movement
R - Respiration
S - Sensitivity

G - Growth
R - Reproduction
E - Excretion
N - Nutrition

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2
Q

What are unicellular organisms?

A

Unicellular - organisms that are made up of only one cell

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3
Q

What are multicellular organisms?

A

Multicellular - organisms that are made up of more than one cell

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4
Q

Why do we need to classify things?

A
  1. To communicate about a large number of things easily
  2. To create order
  3. Separate what is already known from what is new
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5
Q

What is a taxonomist?

A

A scientist who specialises in grouping and naming living things

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6
Q

Who is known as the “father of taxonomy”?

A

Carl Linnaeus

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7
Q

What are the 5 kingdoms of living things?

A

Monera
Protists
Fungi
Plants
Animals

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8
Q

Do Monera have a cell wall?

A

Yes

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9
Q

Are Monera unicellular or multicellular?

A

Unicellular

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10
Q

Are Protists unicellular of multicellular?

A

Unicellular

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11
Q

Are Fungi unicellular of multicellular?

A

Multicellular

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12
Q

Are Plants unicellular of multicellular?

A

Multicellular

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13
Q

Are Animals unicellular of multicellular?

A

Multicellular

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14
Q

Do Monera have a nucleus?

A

No

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15
Q

Do Monera have chlorophyll?

A

No

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16
Q

Do Monera make their own food?

A

No

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17
Q

Do Protists have a cell wall?

A

Some

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18
Q

Do Protists have a nucleus?

A

Yes

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19
Q

Do Protists have chlorophyll?

A

Some

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20
Q

Do Protists make their own food?

A

No

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21
Q

Do Fungi have a cell wall?

A

Yes

22
Q

Do Fungi have a nucleus?

A

Yes

23
Q

Do Fungi have chlorophyll?

A

No

24
Q

Do Fungi make their own food?

A

No

25
Q

Do Plants have a cell wall?

A

Yes

26
Q

Do Plants have a nucleus?

A

Yes

27
Q

Do Plants have chlorophyll?

A

Yes

28
Q

Do Plants make their own food?

A

Yes

29
Q

Do Animals have a cell wall?

A

No

30
Q

Do Animals have a nucleus?

A

Yes

31
Q

Do Animals have chlorophyll?

A

No

32
Q

Do Animals make their own food?

A

No

33
Q

What are vertebrates?

A

Animals that develop a backbone

34
Q

What are the 5 classes of vertebrates?

A

Amphibians
Reptiles
Birds
Fish
Mammals

35
Q

What are endotherms and ectotherms?

A

Endotherms - inside temperature stays the same, if the external temperature changes their body temperature stays the same. eg. mammals and birds
Ectotherms - body temperature changes with the outside temperature. eg. fish, reptiles and amphibians

36
Q

What are some of the characteristics of a mammal?

A
  • Has hair/fur
  • Gives birth to live young
  • Endotherm
  • Can be terrestrial and aquatic
37
Q

What are some examples of mammals?

A
  • horse
  • human
  • chimp
  • bat
  • hippo
  • dolphin
  • whale
  • seal
38
Q

What are some of the characteristics of a bird?

A
  • Lays eggs
  • Lays eggs in a hard shell
  • Endotherm
  • Can be terrestrial and aquatic
39
Q

What are some examples of birds?

A
  • kookaburra
  • lorikeet
  • penguin
40
Q

What are some of the characteristics of a reptile?

A
  • Has dry, scaly skin
  • Lays eggs leathery
  • Ectotherm
  • Can be terrestrial and aquatic
41
Q

What are some examples of reptiles?

A
  • snake
  • lizard
  • gecko
  • crocodile
  • sea snake
42
Q

What are some of the characteristics of a fish?

A
  • Has scales
  • Lays eggs in water
  • Ectotherm
  • Aquatic
43
Q

What are some examples of fish?

A
  • sharks
  • clownfish
  • salmon
  • tuna
44
Q

What are some of the characteristics of an amphibian?

A
  • Has moist, permeable skin
  • Lays eggs in water
  • Ectotherm
  • Can be terrestrial and aquatic
45
Q

What are some examples of amphibians?

A
  • frogs ===> tadpoles ===> fish
  • axolotyl
  • salamander
46
Q

What are the 3 different types of mammals?

A
  1. Placental
  2. Monotreme
  3. Marsupial
47
Q

What is the reproduction method of a placental mammal?

A

Nourishes the developing baby inside the mother’s body by a placenta. The baby is born at a more mature stage. Some examples include: dingoes, seals, whales, flying foxes

48
Q

What is the reproduction method of a monotreme mammal?

A

The only mammals that lays eggs; this subclass consists of 2 species: the echidna and platypus

49
Q

What is the reproduction method of a marsupial mammal?

A

Give birth to tiny undeveloped young that climb into the pouch where it is fed on milk while it grows and finish development. Some examples include: wombats, koalas, tasmanian devils

50
Q

What are homeotherms?

A

Warm-blooded animals that maintain a stable internal body temperature regardless of external influence

51
Q

What are poikilotherms?

A

Must be able to function over a wider range of temperatures than homeotherms

52
Q

What are the 7 levels of classification?

A

K - Kingdom
P - Phylum
C - Class
O - Order
F - Family
G - Genus
S - Species

Science Yearly Exam Revision 2023 (5 decks)

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