DAILY TEST 1 GRADE 7

Which animal in the list below that doesn't have a skeleton ?

• Starfish

• Lobster

• Owl

• Dolphin

• Planaria

These are the function of skeleton, except ....

• fat storage

• facilitate the active movement

• support our body from the inside

• protect the internal organs

Write down 3 numbers of the bones in this picture that has long shape bone

• 4

• 7

• 10

• 11

• 12

Why do you think the adult’s skeleton has stopped growing ?

How muscle work ?

• by attached to the bone

• by contract and relax

• by getting closer

• by work together

What happened to the bicep and tricep when we pull down the upper arm ?

• bicep and tricep contract together

• bicep and tricep relax together

• bicep contract and tricep relax

• bicep relax and tricep contract

What are the special characteristic that penguin has to adapt with their environment ?

• webbed feet for wimming

• thick feathers to keep in body heat

• powerful wings for lift up the body

• sharp talons for holding fish

what is the correlation between habitat and adaptation ?

Look at the picture. How does the shape of bird's beak help it to eat its food ?

Look at the picture. That is an example of identification keys. Explain how we make the identication keys ?