Characteristics Of Living Organisms Flashcards

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1
Q

Do animals have cell walls?

A

No, they only have a cell membrane

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2
Q

How do animals feed?

A

Eat other organisms

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3
Q

How do animals store carbohydrates?

A

As glycogen

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4
Q

Are plants single-called or multicellular?

A

Multicellular

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5
Q

What are plant cell walls made of?

A

Cellulose

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6
Q

How do plants feed?

A

Carry out photosynthesis

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7
Q

What do plants store carbohydrates as?

A

Starch or sucrose

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8
Q

What are fungi made of?

A

Mycelium or they’re single-celled

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9
Q

What is mycelium?

A

Made from thread like structures called hyphae

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10
Q

What do the hyphae contain?

A

Many nuclei

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11
Q

Do fungi have chloroplasts?

A

No

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12
Q

What are fungi cell wall made from?

A

Chitin

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13
Q

How does fungi feed?

A

By saprophytic nutrition

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14
Q

What is saprophytic nutrition?

A

When fungi secrete digestive enzymes outside their body onto the food material which break it down. Then it absorbs the small molecules left from digestion.

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15
Q

How do fungi store carbohydrates

A

As glycogen

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16
Q

Give 2 examples of fungi

A

Mucor

Yeast

17
Q

Are protoctists single-celled or multicellular?

A

Single-celled

Some animals, some plants

18
Q

Do protoctists have chloroplasts?

A

Single-celled plants do.

Single-celled animals don’t

19
Q

Do protoctists have cell walls?

A

Only if plant-like

20
Q

How do protoctists feed?

A
Plant-like = photosynthesis,          
Animal-like = eat other organisms
21
Q

How to protoctists store carbohydrates?

A
Plant-like = starch
Animal-like = glycogen
22
Q

What are protoctists sensitive to?

A

Light, chemicals

23
Q

Give examples of protoctists

A

Plant-like = chlorella
Animal-like = amoeba
Plasmodium: causes malaria

24
Q

Are bacteria single-celled or multicellular

A

Single-celled

25
Q

How do bacteria store DNA?

A

They don’t have a nucleus so the DNA is circular loops called plasmids

26
Q

Do bacteria have chloroplasts?

A

No

27
Q

What are bacteria cell walls made of?

A

Proteins and sugars

28
Q

How do bacteria feed?

A

Eating living or dead organisms

Some photosynthesise

29
Q

Give 2 examples of bacteria

A

Lactobacillus, pneumococcus

30
Q

Are viruses single-celled or multicellular?

A

They’re NOT cells

31
Q

What do viruses store genes as?

A

DNA or RNA

32
Q

How do viruses store DNA?

A

The nucleic acid is RNA or DNA

33
Q

What are viruses surrounded by?

A

A protein coat

34
Q

How do viruses feed?

A

They are always parasitic, so can only reproduce inside living cells

35
Q

Name 2 other facts about viruses

A
  1. The can effect every type of living organism

2. Have a wide range of shapes and sizes

36
Q

Give 2 examples of viruses

A

Tobacco mosaic virus

Influenza virus

37
Q

Are animals single called or multicellular?

A

Multicellular