characteristics of living organisms

Question 1

Characteristics of living organisms:
MRS GRENH

Answer 1

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
Homeostasis

Question 2

Movement:

Answer 2

When an organism changes position or place

Question 3

Respiration:

Answer 3

To release/produce energy aerobically or anaerobically

Question 4

Sensitivity:

Answer 4

Detects stimuli and responds to them

Question 5

Growth:

Answer 5

To increase in size/ mass

Question 6

Reproduction:

Answer 6

Can have offspring either sexually or asexually

Question 7

Excretion:

Answer 7

To remove toxic waste that is produced in the body

Question 8

Nutrition:

Answer 8

Can absorb nutrients in order to use them for growth/ repair

Question 9

Levels of organisations in organisms:

Answer 9

organelles
cells
tissues
organs
organ system

Question 10

organelles

Answer 10

A component inside a cell that carries out a particular task

Question 11

cells

Answer 11

basic functional unit of living organisms

Question 12

tissue

Answer 12

a collection of similar cells, carrying out a particular function within an organ

Question 13

organ

Answer 13

A collection of different tissues that work together to perform a common function

Question 14

organ system

Answer 14

groups of organs working together to perform an overall function for the organism

Question 15

Cell structure in animal cells:

Answer 15

Nucleus
Cytoplasm
Ribosomes
Cell membrane
Mitochondria

Question 16

Nucleus:

Answer 16

Contains genetic material, controls activity in cell

Question 17

Cell Membrane:

Answer 17

Controls what comes in and out of the cell.
Contains receptor molecules

Question 18

Cytoplasm:

Answer 18

-Jell-like substance where chemical reaction occurs.
- Contains enzymes and proteins. Organelles are found in it

Question 19

Mitochondria:

Answer 19

Where aerobic respiration occurs

Question 20

Ribosomes:

Answer 20

Where protein synthesis occurs

Question 21

Structures in plant cells:

Answer 21

-Cell wall
-Nucleus
-Vacuole
-Cytoplasm
-Chloroplasts
-Cell Membrane
-Mitochondria
-Ribosomes

Question 22

Vacuole:

Answer 22

-Stores cell sap
Improves cell’s rigidity

Question 23

Chloroplasts:

Answer 23

Contain chlorophyll pigments that absorb light from the sun

Question 24

Cell Wall

Answer 24

Provide strength to the cell
Made out of cellloluse

Question 25

Excretion vs Egestion

Answer 25

• Excretion is removal of toxic waste, waste metabolism and excess substances
• Egestion is passing out of undigested food

Question 26

Organelles FOUND IN PLANTS NOT IN ANIMALS (3)

Answer 26

• Chloroplasts
• Cell Wall
• Vacuole