1.what is the common characteristic of a vertebrate ? it ______
A.has a backbone B.does not have a backbone C.has a constant body temperature D.belongs to smaller group of animals
2.what are invertebrates animals? They_____.
A.a lay eggs B.have a hair or fur C.that don't have any backbone D.constantly change in form
3.which set of animals is composed of a mammal a reptile and a bird.
A.chicken bat shark B.frog dog or crocodile C.Salander milkfish cat D.Whale snake eagle
4.why do you think some birds have wings but can fly some of the birds___.
a . our half-breed b . our featherless c . are too heavy to fly d . wings are not big enough
5.which description is true about amphibians?
a . they do not develop any lungs. B. they left legs during their cycle c . when they are young they breathe on their gills. d . they cannot live in land but they can live in water .
6 . which of these groups do not belong to arthropods ?
A. arachnids b . Chrusta ceans c.insects d. mollusks
7.which of the following animals found at home is not an invertebrate ?
a . centipede b . cockroach c . dog d . termites
8.which of these animals are classified as molluska ?
A. Ants b . centipede C. snails D. sponges
9.which of these is not a characteristics of an arthropods
a jointed appendages B.bearing C. presence of exoskeleton d . without a backbone
10.what kind of a worm is the tapeworm?
a . Annelid b. flatworm c. round worm d. segmented worm