Nature and Variety of life

Question 1

What are the 8 life processes? (Clue: MRS H GREN)

Answer 1

Movement, Reproduction, Sensitivity, Homeostasis, Growth, Respiration, Excretion, Nutrition

Question 2

Define movement

Answer 2

Ability to change location or position

Question 3

Define reproduction

Answer 3

New individuals are made

Question 4

Define sensitivity

Answer 4

Ability to detect and respond to changes in enviroment

Question 5

Define homeostasis

Answer 5

Ability to control internal conditions

Question 6

Define growth

Answer 6

Increase in mass or volume of an organism by process of cell division

Question 7

Define respiration

Answer 7

How organisms release energy from food

Question 8

Define excretion

Answer 8

How organisms rid themselves of waste products from cells

Question 9

Define nutrition

Answer 9

When organisms acquire materials needed to carry out all other living processes

Question 10

What are the 6 kingdoms of life?

Answer 10

Animal, Plant, Bacteria, Protoctista, Fungi, (Viruses)

Question 11

State the levels of organisation (Clue: Atom…)

Answer 11

Atom, Molecule, Macromolecule, Organelle, Cell, Tissue, Organ, Organ system, Whole organism

Question 12

What do animal cells store carbohydrates as?

Answer 12

Glycogen

Question 13

Are animal cells Heterotrophic or Autotrophic?

Answer 13

Heterotrophic

Question 14

Are animal cells multicellular or unicellular?

Answer 14

Multicellular

Question 15

What does Heterotrophic mean?

Answer 15

Consumes other organisms

Question 16

What does Autotrophic mean?

Answer 16

Makes their own food

Question 17

Are plant cells multicellular or unicellular?

Answer 17

Multicellular

Question 18

Are plant cells Heterotrophic or Autotrophic?

Answer 18

Autotrophic

Question 19

What is a plant cell cell wall made of?

Answer 19

Cellulose

Question 20

What do plant cells store carbohydrates as?

Answer 20

Starch

Question 21

Are bacteria multicellular or unicellular?

Answer 21

Unicellular

Question 22

What do bacteria not have which most other kingdoms do have?

Answer 22

They have no nucleus

Question 23

What is a bacterias cell wall made of?

Answer 23

Polysaccharides and proteins

Question 24

Are bacteria Heterotrophic or Autotrophic?

Answer 24

Both

Question 25

Are protoctista multicellular or unicellular?

Answer 25

Unicellular

Question 26

What do all protoctista have?

Answer 26

Cell membrane, Nucleus and Cytoplasm

Question 27

Are protoctista Heterotrophic or Autotrophic?

Answer 27

Either Heterotrophic or Autotrophic (E.G Some have chloroplast and others behave more like animal cells)

Question 28

Are fungi Multicellular or Unicellular?

Answer 28

Either Multicellular or Unicellular

Question 29

What do fungi not have?

Answer 29

Chloroplast

Question 30

Are fungi Heterotrophic or Autotrophic?

Answer 30

Heterotrophic

Question 31

What is fungi cell walls made of?

Answer 31

Chitin

Question 32

What are carbohydrates stored as in fungi cells?

Answer 32

Glycogen

Question 33

What are viruses not which every other kingdom of life is?

Answer 33

Viruses are not a cell

Question 34

What are viruses?

Answer 34

Genetic material surrounded by a protein coat

Question 35

Here are some pictures of cells?

Answer 35

Question 36

Here are some pictures of cells.

Answer 36

Question 37

Give three reasons why viruses are not classified as living organisms?

Answer 37

1. They can only reproduce inside the cells of other organisms 2. They do not excrete 3. They do not respire