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IGCSE Biology 0610 > 1.3 > Flashcards

1.3 Flashcards

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1
Q

5 Kingdoms

A 
animal 
plant
fungus
prokaryote 
protoctist
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2
Q

Features of all living organisms have

A
  1. cytoplasm
  2. cell membrane
  3. DNA as a genetic material
  4. ribosomes in the cytoplasm
  5. enzymes involved in respiration
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3
Q

Animal Kingdom

A
  1. Multicellular
  2. No cell walls present
  3. No chloroplasts
  4. Ingest solid food
  5. Digest internally
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4
Q

Plant Kingdom

A
  1. Multicellular
  2. Cell walls present; made of cellulose
  3. Chloroplasts present in many leaves and stems
  4. Make their own food by photosynthesis
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5
Q

Fungus Kindgom

A
  1. Cell walls present; contain chitin
  2. No chloroplasts
  3. Made of many hyphae
  4. Nuclei present
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6
Q

Prokaryote Kingdom

A
  1. Single celled
  2. Cell wall present
  3. No nucleus
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7
Q

Protoctist Kingdom

A
  1. Single celled
  2. Some have chloroplasts
  3. Nucleus present
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8
Q

Why are viruses aren’t considered to be living organisms?

A
  1. They don’t feed, respire, excrete or grow.

2. They lack cell membranes, cytoplasm and ribosomes.

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9
Q

Poikilothermic Organisms

A
  • variable temperature
  • their temperature depends on that of the surroundings.
  • there isn’t any internal regulatory mechanism present.
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10
Q

Homeothermic Organisms

A
  • constant temperature
  • their temperatures are kept more or less constant
  • internal regulatory mechanism present.
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11
Q

Cephalothorax

A

head fused with a thorax.

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12
Q

Arthropods

means ‘jointed limbs’

A

Invertebrates
Have a hard and firm an exoskeleton
Segmented bodies
Jointed limbs

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13
Q

Insects

Legs 
Body Division 
Antenna
Eyes 
Wings
Chelicerae
A

Legs - Three pairs of legs

Body Division - Body divided into head, thorax and abdomen.

Antenna - one pair

Eyes - one pair of compound eyes

Wings - usually two pairs of wings

Chelicerae - Not present

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14
Q

Arachnids

Legs 
Body Division 
Antenna
Eyes 
Wings
Chelicerae
A

Legs - four pairs of legs

Body division - cephalothorax and abdomen

Antenna - none

Eyes - several pairs of simple eyes

Wings - none

Chelicerae - present for biting and poisoning prey

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15
Q

Crustacea

Legs 
Body Division 
Antenna
Eyes 
Wings
Chelicerae
A

Legs - five or more pairs of legs

Body division - cephalothorax and abdomen

Antenna - two pairs of antenna

Eyes - one pair of compound eyes

Wings - none

Chelicerae - none

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16
Q

Myriapods

Legs 
Body Division 
Antenna
Eyes 
Wings
Chelicerae
A

Legs - 10 or more pairs of legs

Body division - body not divided into thorax and abdomen.

Antenna - one pair of antenna

Eyes - simple eyes

Wings - none

Chelicerae - none

17
Q

Vertebrates

A

vertebral column present

18
Q

Fish

Body covering 
Movement 
Reproduction 
Blood kind
Breathing
A

Body covering - Scales

Movement - Fins

Reproduction - Produce jelly-covered eggs in water

Blood kind - poikilothermic

Breathing - gills

19
Q

Mammals

Body covering 
Movement 
Reproduction 
Blood kind
Breathing
A

Body covering - fur and hair

Movement - four limbs

Reproduction - produce live young

Blood kind - homeothermic

Breathing - lungs

They suckle their young

20
Q

Amphibians

Body covering 
Movement 
Reproduction 
Blood kind
Breathing
A

Body covering - moist skin

Movement - four limbs, webbed feet

Reproduction - Produce jelly-covered eggs in water

Blood kind - poikilothermic

Breathing - lungs and skin

21
Q

Reptiles

Body covering 
Movement 
Reproduction 
Blood kind
Breathing
A

Body covering - dry skin with scales

Movement - 4 legs apart from snakes

Reproduction - produce eggs with rubbery waterproof material and are laid on land

Blood kind - poikilothermic

Breathing - lungs

22
Q

Bird

Body covering 
Movement 
Reproduction 
Blood kind
Breathing
A

Body covering - feathers with scales on legs

Movement - two legs and two wings

Reproduction - produce eggs with a hard shell and laid on land

Blood kind - homeothermic

Breathing - lungs and beak

23
Q

Bryophytes

A

no specialised conducting tissue

24
Q

Vascular plants

A

well-developed xylem and phloem

25
Q

Flowering plants

A

Multicellular
Cellulose cell walls present
Sap vacuoles present
Reproduce by producing seeds

26
Q

Ferns

A

Land plants
Stem below the ground
Reproduce by spores

The stem takes form of a structure known as a ribosome

27
Q

Monocotyledon

A
  1. long and narrow
  2. parallel leaf veins
  3. one cotyledon
  4. grouping of flower parts in threes
28
Q

Dicotyledon

A
  1. broad
  2. branching
  3. two cotyledon
  4. grouping of flower parts in fives

IGCSE Biology 0610 (6 decks)

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