IB PYP4-Animal Adaptations

Animals that don't have spines are called _____.

• vertebrates

• invertebrates

All snakes need _____ to effectively slither to travel.

• dorsal scales

• placoid scales

• ventral scales

Name the two holes which lead to the nasal cavities within the bird's skull, and thus to the rest of the respiratory system.

• nostrils

• nares

• nose

A mammal that raises its newborn offspring inside an external pouch at the front or underside of the body is called _____.

• monotreme

• marsupial

• placentals

The fine feathers found under the tougher exterior feathers is called _____.

• down feathers

• flight feathers

• contour feathers

Respiratory organ of cockroach is _____.

• gills

• spiracles

• tracheae

Background matching is a mechanism of _____.

• disguise

• camouflage

• concealment

Body covering in hedgehogs are modified _____.

• scales

• hair

• shell

In marine mammals like whales, sea-lions and dolphins, the limbs are modified into _____ which are used as oars to swim in water.

• flagella

• fins

• flippers

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The removal of the fleece of the sheep from its body is called _____.

• shearing

• trimming

• cutting