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
Example of in pond Have chloroplast Pathogenic
Amoeba Chlorella Plasmodium
25
Virus has ______
Protein coat | DNA
26
Features of virus
Smaller than bacteria Reproduce inside living cells Infect every type of organism
27
Example a virus
Influenza
28
What is a pathogen
Microorganism that causes disease
29
Levels organisation | And example
``` Organelle-nucleus Cell- red blood cell Tissue- muscle tissue Organs - heart Organ systems- circulative system ```
30
Differences between bacteria and virus
Bacteria has slime capsule, plasmid, cell membrane, cytoplasm and cell wall but virus don't Virus has protein but bacteria don't
31
What does a nucleus do?
Controls activities of cell
32
What does cytoplasm do?
Where chemical reactions take place
33
What does cell membrane do?
Controls what goes in and put off the cell
34
What does chloroplast do?
Contain chlorophyll to absorb light energy for photosynthesis
35
What does the vacuole do?
Contain minerals and slats Filled with cell sap Presses outwards to help cell firm
36
What does cell wall do?
Gives structural support to the cell
37
How to make results of an experiment more reliable?
Repeat the experiment
38
How to make experiment more accurate
Take more readings at important parts of graph
39
GROMS
``` Group Repeat Organism Measure Same ```
40
WSUP | What is it for
``` Way around Scale Units Plot To draw graph ```
41
HUDRA | And what's it for
``` Heading Unit Decimal Repeat Average Result table ```