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the nature and variety of living organisms Flashcards

0
Q

What is respiration

A

A chemical reaction that releases energy from food

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1
Q

MRSGREN

A 
Movement 
Respiration
Sensitivity 
Growth
Reproduction
Excretion
Nutrition
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2
Q

What is excretion

A

Removal of the waste product produced by chemical reactions

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3
Q

6 animal kingdoms

A 
Animal
Plants 
Fungi
Bacteria 
Protoctista 
Virus
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4
Q

What is multicellular and what organisms from the kingdoms are multicellular

A

More then one cell
Plants
Animals
Some fungi

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5
Q

Key features of an plant cell

5

A 
Contain chloroplast for photosynthesis 
Cell walls made of cellulose 
Carbohydrates stored as starch
Some plants store food as sucrose 
Plants transfer carbohydrates in the form of sucrose
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6
Q

What are the cell walls made of

A

Cellulose

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7
Q

Carbohydrates stored in plants as

A

Starch

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8
Q

Some plants save food as what and what it does

A

Sucrose and plants transfer carbohydrates in form of it

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9
Q

What’s in the plant cell?

A 
Cell wall
Cell membrane 
Chloroplast 
Cytoplasm
Nucleus 
Vacuole
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10
Q

Key features of an animal cell(6)

A 
No chloroplast, no photosynthesis 
Gain nutrition by feeding on other animals or plants
No cell wall
Have nervous coordination
They move
Carbohydrates stored as glycogen
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11
Q

Differences between animal cell and plant cell

A

Plants have cell wall, chloroplast and vacuole but animal cell don’t have them

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12
Q

What can fungi not do?

A

Photosynthesis

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13
Q

Animals store carbohydrates as

A

Glycogen

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14
Q

Examples of fungi with hyphae, and single called

A

Mucor, yeast

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15
Q

What is the structure of the hyphae called?

A

Mycelium

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16
Q

Features of fungi(5)

A 
Hyphae contains many nuclei 
Some fungi is single cell
Fungi have cell walls made of chitin 
Feed by saprotrophic nutrition 
Store carbohydrates as glycogen
17
Q

What does yeast have

A 
Chitin cell wall
Cell membrane 
Nucleus 
Vacuole 
Cytoplasm 
Glycogen granule
18
Q

What does bacteria have

A 
Slime capsule 
Cell wall 
Cell membrane 
Loop of DNA
Plasmids
19
Q

Bacteria has lack of what

A

Nucleus but has loop of DNA

20
Q

Some bacteria do what

A

Photosynthesis

21
Q

Feed of

A

Living or dead animals

22
Q

Example of a bacteria

A

Lactobacillus

23
Q

What does a protoctista have?

A

Cell membrane
Nucleus
Cytoplasm

24
Q

Example of in pond
Have chloroplast
Pathogenic

A

Amoeba
Chlorella
Plasmodium

25
Q

Virus has ______

A

Protein coat

DNA

26
Q

Features of virus

A

Smaller than bacteria
Reproduce inside living cells
Infect every type of organism

27
Q

Example a virus

A

Influenza

28
Q

What is a pathogen

A

Microorganism that causes disease

29
Q

Levels organisation

And example

A 
Organelle-nucleus
Cell- red blood cell
Tissue- muscle tissue
Organs - heart
Organ systems- circulative system
30
Q

Differences between bacteria and virus

A

Bacteria has slime capsule, plasmid, cell membrane, cytoplasm and cell wall but virus don’t
Virus has protein but bacteria don’t

31
Q

What does a nucleus do?

A

Controls activities of cell

32
Q

What does cytoplasm do?

A

Where chemical reactions take place

33
Q

What does cell membrane do?

A

Controls what goes in and put off the cell

34
Q

What does chloroplast do?

A

Contain chlorophyll to absorb light energy for photosynthesis

35
Q

What does the vacuole do?

A

Contain minerals and slats
Filled with cell sap
Presses outwards to help cell firm

36
Q

What does cell wall do?

A

Gives structural support to the cell

37
Q

How to make results of an experiment more reliable?

A

Repeat the experiment

38
Q

How to make experiment more accurate

A

Take more readings at important parts of graph

39
Q

GROMS

A 
Group
Repeat
Organism
Measure
Same
40
Q

WSUP

What is it for

A 
Way around
Scale
Units
Plot
To draw graph
41
Q

HUDRA

And what’s it for

A 
Heading 
Unit
Decimal
Repeat
Average
Result table

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