Biology

Question 1

Functions of a skeleton

Answer 1

A skeleton is used for:
Movement
Support
Protection

Question 2

Types of skeleton

Answer 2

hydrostatic, endoskeleton & exoskeleton!

Question 3

Hydrostatic

Question 4

Exoskeleton

Answer 4

Beetle
Crab
Scorpian

Question 5

Endoskeleton

Answer 5

Human
Bear
Monkey

Question 6

Human skeleton: names and locations of major bones

Answer 6

Skull
Vertebrae
Ribs

scapula
humerus
radius, 
ulna, 
pelvis, 
femur, 
patella, 
tibia, 
fibula, 
carpals, 
tarsals, 
phalanges

Question 7

How adult & child skeletons differ

Answer 7

Child: more bones, the skull is in 4 parts to make it easier to get out of the mother.
Adult:less bones, the skull has fused together

Question 8

Types of joint & examples in the body

Answer 8

Ball and socket joint, hinge joint

Question 9

Chemical composition of bone

Answer 9

Collagen(flexible)

calcium carbonate (strength)

Question 10

Identify the main structures in a flower

Answer 10

petals, sepals, carpel, stigma, style, ovary, stamen, filament, anther

Question 11

wind pollination

Answer 11

The plant catches the pollen to fertilise. The flower doesn’t have to be bright and colourful or smell good

Question 12

Insect pollination

Answer 12

The insect visits each flower and collects nectar, and pollen. Then goes to another flower and leaves the pollen there. The flower is generally bright and colourful, it also smells good to attract insects

Question 13

Understand the conditions necessary for germination in plant

Answer 13

Water, warmth and oxygen

Question 14

wind, explosion, animal active, animal passive

Answer 14

Wind: the seed is hanging out of the plant and is blown by the wind
Explosion: the plant explodes the seed and shoots the seed a long way
Animal active: the animal eats the seed and poops it out somewhere else
Animal passive: the animal brushes against the plant and the seed catches onto the fur and is dropped of somewhere else.