grade 4 , concept 1

Fennec fox and caracal have............ that help them blend in with desert landscapes.

• colorful scales

• thick white fur

• sandy-colored feathers

• sandy-colored fur

Desert lizards have desert. that make them hide among the colorful rocks in the

• tan-colored fur

• colored scales

• sandy colored feathers

• dark fur

Camouflage means that the animal

• can be seen easily among its surrounding environment.

• is hard to be seen among its surrounding environment.

• is easily to be seen by its preys.

• can be seen easily by its predators.

Which of the following birds is more difficult to be seen by its predator?.

• A red bird on a green tree.

• A blue bird on a green tree.

• A yellow bird on a green tree.

• A green bird on a green tree.

Bull sharks can live in

• fresh water only.

• salt water only.

• seas, rivers and mud.

• rivers, seas and oceans.

One of structural adaptations of bull sharks is that they

• can live in both salt water and fresh water.

• are flexible about what they eat.

• hunt in the day as well as the night.

• can live in salt water only.

When a panther chameleon stands within leaves of trees, the color of its scales changes into color.

• white

• green

• blue

• black

Special eyes of the panther chameleon belong to adaptation.

• only structural

• only behavioral

• both structural and behavioral

• neither structural nor behavioral

is considered as a behavioral adaptation in the panther chameleon.

• Puffing up its body during danger

• Each eye can move independently

• V-shaped feet

• Tail like a hand

All the following are structural adaptations in the panther chameleon, except

• each eye can move independently.

• openning its mouth wide during danger.

• its V-shaped feet.

• its tail like a hand.