Question 1
during which era did the breakup of pangaea begin?

paleozoic

mesozoic

precambrian

none of the above

1 points
question 2
bivalves became important parts of as the triassic period progressed.

phytoplankton

forests

reefs

none of the above

1 points
question 3
which of the following is not a type of swimming reptile?

ichthyosaurs

placodonts

nothosaurs

none of the above

1 points
question 4
plesiosaurs swam by using their paddle-like limbs in a manner similar to that of a

fish.

sea lion.

human.

none of the above

1 points
question 5
during which period did the first birds evolve?

permian

cretaceous

triassic

jurassic

1 points
question 6
which of the following is a characteristic of carnosaurs?

long narrow skulls

strong forelimbs

horns projecting from their skulls

all of the above

1 points
question 7
angiosperms appeared near the beginning of the period.

cretaceous

jurassic

triassic

none of the above

1 points
question 8
what is triceratops an example of?

mosasaurs

hadrosaurs

ankylosaur

ceratopsians

1 points
question 9
pterodactyls in the cretaceous period had tails.

long

short

no

none of the above

1 points
question 10
the deccan traps in happened at the same time as the cretaceous mass extinction.

australia

india

alaska

greenland