Birds And Mammals

Question 1

A bird’s nearly hollow bones help it to…

Answer 1

Be lightweight in the air

Question 2

Birds play an important role in the environment by…

Answer 2

Carrying seeds to new locations

Question 3

As a bird’s wing moves forward through the air, the air pressure on the wing is…

Answer 3

Is less above the wing than beneath it.

Question 4

During soaring flight, a bird

Answer 4

Rises on a current of warm air

Question 5

Which characteristic is NOT common to all mammals?

Answer 5

They are ectotherms, cold-blooded.

Question 6

Fur is a adaptation that allows mammals to…

Answer 6

Survive in cold climates.

Question 7

What characteristic is used to classify a mammal as a monotreme, marsupial, or placental mammal?

Answer 7

The way their young develops

Question 8

A mammal’s gestation period is the length of time…

Answer 8

Between fertilization and birth

Question 9

Birds are the only animals that have…

Answer 9

Feathers

Question 10

What is the name of the upward force that enables a bird to fly?

Answer 10

Lift

Question 11

Which type of flight requires the most energy?

Answer 11

Flapping

Question 12

What is the function of down feathers?

Answer 12

To keep a bird warm

Question 13

Some birds swallow small stones, which helps them to…

Answer 13

Grind food

Question 14

Unlike most mammals, bats are able to…

Answer 14

Fly

Question 15

Where do many birds store food that they are not ready to digest?

Answer 15

In the crop

Question 16

The large muscle that enables mammals to breathe in and out is called the

Answer 16

Diaphragm

Question 17

What are the four types of teeth mammals have?

Answer 17

K-9, incisors, pre-molars, & molars

Question 18

What is the function of K-9s in most mammals?

Answer 18

To stab and tear food

Question 19

What structure help birds get enough oxygen to fly?

Answer 19

Air sacs

Question 20

What type of mammal lays eggs?

Answer 20

Monotreme

Question 21

Want is an example of a monotreme?

Answer 21

Platypus, Perry.

Question 22

What type of fish is a lamprey and hagfish?

Answer 22

A jawless fish

Question 23

T or F:

All birds have hearts with four chambers.

Answer 23

True

Question 24

T or F:

Birds have contour feathers that are specialized to trap heat.

Answer 24

False.

Down feathers keep birds warm.

Question 25

T or F:

During flight, the air above the wing exerts less pressure than the air beneath the wing.

Answer 25

True

Question 26

T or F:

All mammals are endothermic vertebrates

Answer 26

True

Question 27

T or F:

Sharply pointed teeth that stab and food and cut into it are called incisors.

Answer 27

True

Question 28

T or F:

Marsupials mammals are born at a later stage of development than placental mammals.

Answer 28

False.

Earlier because they develop in their mother’s pouches.

Question 29

T or F:

The gestation period of marsupials is usually longer than that f placental mammals

Answer 29

False.
Shorter because marsupials develop outside of the mother.
They develop in her pouch.

Question 30

Birds have ………… feathers that give have to their bodies.

Answer 30

Contour

Question 31

A bird’s ………… squeezes and grinds food.

Answer 31

Gizzard

Question 32

Birds have …….. that connect to the lungs and increases the amount of oxygen birds can take in.

Answer 32

Air sacs

Question 33

A bird’s two-loop circulatory system is efficient at delivering …… to cells

Answer 33

Oxygen

Question 34

A large muscle called the ……. , which is located at the bottom of the ribs, helps mammals breathe.

Answer 34

Diaphragm

Question 35

The number of chambers in a mammal’s heart is …… .

Answer 35

Four

Question 36

Mammals have an insulating material called ……. beneath their skins.

Answer 36

Blubber

Question 37

Mammals that lay eggs are known as ……. .

Answer 37

Monotremes

Question 38

A group of mammals that only has three species is the ……. .

Answer 38

Monotremes

Question 39

Pregnant female monotremes and marsupials lack a ……., which is an organ that passes materials between an embryo and it’s mother.

Answer 39

Placenta

Question 40

Humans, monkeys, and apes belong to the group of placental mammals known as ……. .

Answer 40

Primates