Question 1

The collar bone is a bone that offers support to both arm and breast muscles. In what way is it modified in birds?

Accepted Answer

the two collar bones are fused together into a furcula to offer a stronger support to breast muscles for flight

Answer

birds do not have collar bones

Answer

the collar bones store extra oxygen to increase buoyancy and provide oxygen to the bird through long flights

Question 2

Which of the following organisms is endothermic?

Accepted Answer

mouse

Answer

goldfish

Answer

turtle

Question 3

Which of the following is a characteristic of all mammals?

Accepted Answer

females produce milk

Answer

3-chambered heart

Answer

give live birth

Question 4

What is the purpose of keratin in reptilian skin?

Accepted Answer

prevents water loss

Answer

makes great handbags

Answer

keeps it warm

Question 5

What is the name for animals that carry their young in pouches?

Accepted Answer

marsupials

Answer

placentals

Answer

monotremes

Question 6

How are monotremes different from other mammals?

Accepted Answer

only monotremes lay eggs

Answer

only monotremes have one young at a time

Answer

only monotremes give live birth

Question 7

Which of the following classes of vertebrate is the only one with a cartilaginous skeleton?

Accepted Answer

chondrichthyes

Answer

osteichthyes

Answer

agnatha

Question 8

Which of the following organisms does not have a 4-chambered heart?

Accepted Answer

turtle

Answer

eagle

Answer

lion

Question 9

What is the name for the olfactory organ found in many reptiles?

Accepted Answer

Jacobson's organ

Answer

brood patch

Answer

crop

Question 10

Which of the following represents a difference between birds and reptiles?

Accepted Answer

birds have an extremely high heart rate unlike reptiles

Answer

birds are government surveillance drones unlike reptiles

Answer

birds are exothermic unlike reptiles

Question 11

The class agnatha is separated from other fish due to the lack of which of the following?

Accepted Answer

lower jaw

Answer

skeleton

Answer

heart

Question 12

Which of the following best describes the evolutionary advantage to the amniotic egg?

Accepted Answer

it is adapted to life on land because the shell prevents water loss

Answer

it is adapted to life in water because the shell allows for gas exchange

Answer

it is adapted for giving live birth through the use of a placenta

Question 13

Which type of feather is most likely used for flight?

Accepted Answer

contour

Answer

bristle

Answer

semi-plume

Question 14

A snake is discovered that kills its prey by injecting a venom through its fangs. Which type of classification would be appropriate for this snake?

Accepted Answer

elapid

Answer

constrictor

Answer

viper

Question 15

Which of the following is true of amphibians?

Accepted Answer

they have moist skin without scales

Answer

they are covered in a thick layer of keratin

Answer

they have a 2-chambered heart

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