Tree of life 1

Question 1

What type of ancestral fishes evolve into tetrapods ?

Answer 1

Lungfish

Question 2

Transitional animal fossil which contains humerus, radius and ulna, wrist bones but no digits

Answer 2

Keptaric kitarick

Question 3

Three lobe fin lineages

Answer 3

Lungfish, coelacanth, tetrapods

Question 4

Three tetrapods lineages

Answer 4

Amphibians, mammals, reptiles

Question 5

Four extraembryotic membranes present in amniotic egg.

Answer 5

Amnion, chorion, yolkside, arantoids

Question 6

Why are extra embryonic membranes beneficial to the reptiles and mammals?

Answer 6

It allows them to live on the land, in dry conditions, and helps them stay hydrated.

Question 7

What do mammals belong to?

Answer 7

Synapsids

Question 8

Dimetrodon belongs to what

Answer 8

Synapsids(one hole)

Question 9

What is the type of mammals which are the most primitive ones in Australia?

Answer 9

Monotre

Question 10

Monotre common feature with reptiles

Answer 10

Red eggs

Question 11

Monotre common features with the rest of the mammals

Answer 11

Three bones in the ears

Question 12

What type of dinosaurs is believed to be related to birds?

Answer 12

Tyrex

Question 13

Archaeopteryx common features with reptiles

Answer 13

Teeth, Wings with claws,

Question 14

Archaeopteryx common features with current birds

Answer 14

Feathers

Question 15

Feathers other purposes

Answer 15

Camouflage, insuraction,

Question 16

What are the four nucleotides of DNA?

Answer 16

Adenine, Guanine, Thynine, Cytosine

Question 17

What is the DNA segment which codes for a particular protein

Answer 17

Gene