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IGCSE Biology 0610 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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1
Q

Characteristics of living organisms

A
  1. Growth
  2. Sensitivity
  3. Movement
  4. Respiration
  5. Reproduction
  6. Nutrition
  7. Excretion
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2
Q

What is growth?

A
  • permanent increase in dry mass
  • increase in cell size and number
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3
Q

What is movement?

A
  • action that allows an organism or part of an organism to move from place to place.
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4
Q

What is sensitivity?

A
  • ability to detect and respond to changes in surroundings/ external stimuli
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5
Q

What is respiration?

A
  • breakdown of nutrient molecules to release energy for activities
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6
Q

What is reproduction?

A
  • ability to produce offspring
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7
Q

What is nutrition?

A
  • taking in nutrients for energy, growth and development
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8
Q

What is excretion?

A
  • removal of waste of substances in excess of requirements
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9
Q

Binomial nomenclature

A
  • scientific names of organisms that is universally agreed upon
  • names are in latin
  • first part: genus
  • second part: species
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10
Q

Organism kingdoms

A
  1. Animal
  2. Plant
  3. Protoctist
  4. Prokaryote
  5. Fungi
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11
Q

Animal

A
  • no cell wall, chloroplasts
  • nucleus present
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12
Q

Plant

A
  • cellulose wall and chloroplasts present
  • feed through photosynthesis
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13
Q

Fungi

A
  • cell wall present
  • no chloroplasts
  • can feed parasitically/ saprophytically
  • multi- / uni- cellular
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14
Q

Protoctist

A
  • cell wall may/may not be present
  • may or may not have chloroplasts
  • multi- / uni- cellular
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15
Q

Prokaryote

A
  • no nucleus
  • circular loop of DNA
  • have plasmids
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16
Q

Mammals

A
  • external pinna
  • body hair
  • diaphragm
  • mammary glands
  • placenta
  • different types of teeth
17
Q

Fish

A
  • scaly
  • gills
  • lay eggs with no shells underwater
  • fins
18
Q

Reptiles

A
  • scaly
  • lay eggs with soft shells
  • cold- blooded
19
Q

Amphibians

A
  • soft, moist skin
  • young breathe through gills
  • lay eggs with no shell underwater
20
Q

Birds

A
  • feathery
  • have wings
  • scaly feet
  • hard shelled eggs
  • beaks
21
Q

Arachnids

A
  • 2 segmented body
  • head and cephalothorax
  • 4 pairs of legs
  • no antennae
22
Q

Insects

A
  • 3 segmented body
  • head, body, thorax
  • breathe through trachea
  • 3 pairs of legs
  • 1 pair of antennae
  • 2 pairs of wings
  • one is vestigial
23
Q

Crustaceans

A
  • 2 pair of antennae
  • multi- segmented body
  • 5 pairs of legs
24
Q

Myriapods

A
  • multi- segmented body
  • many pairs of legs
  • 1 pair of antennae

IGCSE Biology 0610 (18 decks)

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