4.T1.u1.c1-1.Le2 part 1.Q6: complete the following

Weaving of blood vessels around each other in penguin's feet is considered ............................ adaptation, while migration of birds to certain regions is considered ……………………adaptation

Tan-colored coat in fennec fox is considered ....................... adaptation, while its panting to stay cool is considered ....................... adaptation.

Among animals that live in hot environments are .................... foxes, while ...................... foxes live in cold environments.

Extra-large ears allow heat to escape to cool the bodies of ........................ foxes, while short ears and legs help the .............. foxes stay warm.

Short ears of arctic fox is considered ................... adaptation, while its staying in burrows to be warm is considered ………………………… adaptation.

.A burrow is an excellent place for the ........................ fox to stay warm at night and for the .......................... fox to stay cool during the day.

The fur color of arctic fox is...................... in winter but turns………… in summer.

The chance of bull shark to find a prey is more easier in ………………………… water than in ……………………………water.

Countershading strategy of the bull shark is considered ............................ adaptation.

Eyes of chameleon move independently of each other, this is considered as .........................adaptation