support in animals

what is the suport system for this insect?

• endoskeleton

• exoskeleton

• hydrostatic skeleton

• chitin

why do aquatic vertebrates have a smaller endoskeleton compared to land vertebrates of the same body mass?

• they have exoskeleton to support their body weight

• they are mostly supported by water bouyancy

• their fatty tissues support their weight

• they move very slowly and are inactive

in the water, this animal is supported by....

• hydrostatic skeleton and endoskeleton

• water bouyancy and exokeleton

• exoskeleton and hydrostatic skeleton

• hydrostatic skeleton and water bouyancy

which animals have the same support system as the rabbit?

• turtle and starfish

• bird and whale

• scorpion and crab

• snake and caterpillar

what are the functions of skeleton in vertebrate animals? choose two from below....

• support the body weight

• protect animals from their enemy

• helps animals to grow

• maintain the shape of the animals' body

Animal X has very weak pectoral and pelvic girdles. Which of the following is an example of animal X?

• 
• 
• 
• 

Which of the following statements are true regarding aquatic vertebrates?

i) they have very big pelvic girdles

ii) they have very strong pectoral girdles

iii) they are supported by the buoyancy of water

• iii only

• i and ii only

• ii and iii only

• i, ii and iii

Whales will die if they are washed ashore. his is because

i) they enormous body weight will press down on their organs and crush them.

ii) their body temperature becomes very high on land

iii) they cannot breathe on land

• i only

• iii only

• i and ii only

• i,ii and iii

Which animal in not supported by an exoskeleton?

• 
• 
• 
• 

What means exoskeletons?

• Is the same as vertebrates animals

• Hard skeletons on the outside of the bodies of the animals

• Hard skeletons on the inside of the bodies of the animals