Biology

Question 1

Animals

Answer 1

Can move
Cannot make their own food
Divided into inervetebrates and vertebrates
Vertebrates have a backbone e.g human,dog,fish,bird
Invertebrates do not have a back bone e.g worms,insects,snails

Question 2

PLANTS

Answer 2

Fixed in one position
Make their own food
(Photosynthesis)
Know the difference
between them by studying their leaves and flowers

Question 3

Cell membrane

Answer 3

Cell membrane - allows substances to pass in and out of the cell

Question 4

Cytoplasm

Answer 4

Cytoplasm - watery fluid that gives support to the cell

.

Question 5

Nucleus

Answer 5

• Nucleus - controls the cells activity’s

Question 6

Vacuole

Answer 6

Vacuole - (larger and permanent in plants) storage of food, water, wastes

Question 7

Cell wall

Answer 7

Cell wall- (only in plant cell) gives strength to the cell

Question 8

Chloroplasts

Answer 8

Chloroplasts- (only in plant cell) contains chlorophyll to help make food

Question 9

Base

Answer 9

Keeps the microscope stabe

Question 10

Stage and stage clips

Answer 10

Holds the slide in place

Question 11

Light source

Answer 11

A built in light bulb or mirror that lights up the specimen

Question 12

Diaphragm

Answer 12

Controls the amount of light passing through the specimen

Question 13

Objective lens

Answer 13

Magnifies the specimen by different factors (4x,10x,40x,)

Question 14

Eyepiece lens

Answer 14

Magnifies the specimen usually by factor of 10 (x10)

Question 15

Coarse focus

Answer 15

Brings the image into rough focus

Question 16

Fine focus wheel

Answer 16

Brings the image to sharp focus

Question 17

Micrograph

Answer 17

An image formed when using an electron microscope

Question 18

Mitochondria and ribosomes

Answer 18

Can be seen with an electron microscope but can’t be seen with a light microscope

Question 19

Enzymes

Answer 19

Are chemicals that speed up reactions without being used up in the reaction