Last weeks test

Question 1

For each group of animals, match a key characteristic associated with them.

Pregunta
placodonts

plesiosaurs

ichthyosaurs

mososaurs

Answer 1

Placodonts are the turtle like marine reptile

Plesiosaurs have a long necks

Ichthyosaurs are called the fish-lizards

Mososaurs are really big marine predators, which have the same jaws as a snake.

Question 2

What evidence demonstrates that ichthyosaurs were endothermic?

Answer 2

The blubber (fat)

Question 3

Which characteristics distinguish tuataras from the squamates?

YOU CAN CHOOSE MORE THAN ONE OPTION, BUT ONLY CHOOSE AN OPTION IF YOU THINK IT IS CORRECT.

Answer 3

The special characteristics of the teeth and jaw. Beak, fused in teeth, two rows.

Question 4

Which of the following explanation is the most widely accepted for the loss of legs in snakes?

Answer 4

Their ancestors were digging.

Question 5

What is a dewlap?

Answer 5

The skin under the neck of a lizard for attraction.