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IGCSE Biology > 1.3- Features Of Organisms > Flashcards

1.3- Features Of Organisms Flashcards

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1
Q

5 Organism Kingdoms

A
  1. Protocists
  2. Prokaryotes
  3. Fungi
  4. Plants
  5. Animals
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2
Q

Protocists

A

Single celled

No nucleus

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3
Q

Prokaryotes

A

Single celled

Has no true nucleus

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4
Q

Fungi

A 
Single celled or multi cellular
Heterotrophic 
Contains nucleus 
Spreads using spores
Has cell wall (not made of cellulose)
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5
Q

Plants

A

Multicellular
Autotrophic
Photosynthesise
Has a cellulose cell wall

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6
Q

Animals

A

Multicellular

Heterotrophic

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7
Q

Invertebrates

A

Arthropods
Annelids
Nematodes
Molluscs

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8
Q

Arthropods

A 
Have a waterproof exoskeleton 
Have segmented bodies
Have joined limbs
They consist of:
Insects
Arachnids
Crustaceans 
Myriapods
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9
Q

Insect

A 
3 body segments (head, thorax, abdomen)
3 pairs of legs
2 pairs of wings
1 pair of antennae
Compound eyes

Dragon Fly, Locust, Ants

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10
Q

Arachnids

A

4 pairs of legs
2 body segments (Head and Abdomen)
A pair of chelicerae to hold prey
Several pairs of simple eyes

Spiders, tics

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11
Q

Crustaceans

A

More than 4 pairs of legs
2 pairs of antennae
2 body parts (head and abdomen)
Breath through gills

Crabs, lobsters

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12
Q

Myriapods

A

Many segments on the body
Many pairs of legs
One pair of antennae
Simple eyes

Centipede, Millipedes

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13
Q

Vertebrates

A 
Mammals
Reptiles 
Fish 
Amphibians
Birds
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14
Q

Mammals

A 
Mainly live on land
Have fur or hair
Have mammary glands 
Give birth to live young
Homorothermic
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15
Q

Reptiles

A

Dry scaly skin
Lay hard eggs
Lungs to breath
Poikitothermic

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16
Q

Fish

A 
Have gills to breath
Skin covers with scales
Have find
Lay soft eggs
Poikitothermic
17
Q

Amphibian

A

Smooth, moist skin
Lay soft eggs
Gills and lungs to breath
Poikitothermic

18
Q

Birds

A 
Have feathers 
Have wings 
Scaly, webbed feet
Lay hard eggs
Lungs to breath
Poikitothermic
19
Q

Classifying Plants

A

Flowering Plants

Ferns

20
Q

Flowering Plants

A

They are plants with roots and leaves
Reproduce sexually by means of flowers and seeds
Seeds are produced inside the ovary in the flowers

1) Monocotyledons
2) Dicotyledons

21
Q

Monocotyledon

A

One cotyledon
Parallel veins
Fibrous roots
Floral parts in 3’s

22
Q

Dicotyledon

A

Two cotyledons
Veins netlike
Taproot present
Floral parts in 4s and 5s

23
Q

Virus

A 
Covers by a protein coat
Doesn't have a cell membrane 
Doesn't have a cupytoplasm
Has DNA or RNA
Non living unless in host

IGCSE Biology (7 decks)

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