form 4 chapter 6: support, movement and growth in animals

What is the type of support for jelly fish?

• endoskeleton

• exoskeleton

• hydrostatic skeleton

Name the process of shedding the skin of the exoskeleton.

(a)  

The name of muscles in earthworm is _______________.

• longitudinal muscle

• biceps

• triceps

• circular muscle

(compare elephant and whale) Why whale has a smaller pectoral girdle and pelvic girdle?

• elephant is smaller in size

• whale has hollow bone

• whale is supported by buoyancy of water

• elephant is very heavy

Why birds can fly?

• Birds have compact bone

• Birds have hollow bone

• Birds have lesser bones

• Birds are smaller

Two factors that affect the stability of an animal:

• volume of base

• centre of gravity

• base area

• centre of point

Tags

NGSS.MS-LS1-3

NGSS.MS-PS2-4

Which part connect the muscle to the bone?

• ligament

• cartilage

• synovial fluid

• tendon

"biceps and triceps are acting antagonistically"

true or false?

• true

• false

when the arm is bent, __________________________________.

• biceps muscle relaxes, triceps muscle relaxes

• biceps muscle contracts, triceps muscle contracts

• biceps muscle contracts, triceps muscle relaxes

• triceps muscles relaxes, biceps muscle relaxes

What is the example of animals which has the growth curve as shown?

• grasshopper

• earthworm

• cat

• human