Lesson 8-13

Question 1

list 3 ways that birds were specially designed for flight

Answer 1

feathers , special beaks , their feet ,strong backbone ,hollow bones, efficient digestive and respiratory

Question 2

list two special design features of a birds digestive

Answer 2

fast and efficient , crop releases food at a constant rate , and gizzard grinds food

Question 3

name 3 kinds of fins found on most fish

Answer 3

pectoral, pelvic, dorsal, anal, candal

Question 4

name 2 kinds of cartilaginous fish

Answer 4

sharks, rays, hagfish, and lampreys

Question 5

animals can adapt to changes in their surroundings T F

Answer 5

true

Question 6

birds evolved from reptiles T F

Answer 6

false

Question 7

birds and reptiles are both cold blooded animals

Answer 7

false

Question 8

scales are very different from feathers T F

Answer 8

true

Question 9

there can be great variety among species T F

Answer 9

true

Question 10

flightless birds have useless wings T F

Answer 10

false

Question 11

kiwi birds lay eggs that are very large compared to their body size

Answer 11

true

Question 12

penguins only live in the southern hemisphere

Answer 12

true

Question 13

birds have a very efficient respiratory system

Answer 13

true

Question 14

birds have a bellows type of respiratory

Answer 14

false

Question 15

some fish can change color

Answer 15

true

Question 16

some fish can sense things that other animal cannot

Answer 16

true

Question 17

fish have very small olfactory lobes compared to their brain size

Answer 17

false

Question 18

there are over 600 species of cartilaginous fish

Answer 18

true