Mesozoic Era - Marine Invertebrates, Phytoplankton, and Plants

Question 1

Following the ___________ mass extinctions, the Mesozoic was a time when marine invertebrates repopulated the seas.

Answer 1

Permian

Question 2

__________, ___________, and ____________ were the most important elements of the Mesozoic marine invertebrate fauna.

Answer 2

Cephalopods, Bivalves, and Gastropods

Question 3

The _____________, are cephalopods with wrinkled
sutures.

Answer 3

Ammonoidea

Question 4

The Ammonoidea is consist of three groups. Name the three groups.

Answer 4

Goniatites, Ceratites, and Ammonites

Question 5

The ammonoidea groups were most prolific during the _________ and __________.

Answer 5

Jurassic and Cretaceous

Question 6

The primary producers in the Mesozoic seas werevarious types of ___________________.

Answer 6

Microorganisms

Question 7

_____________ are an important group of calcareous phytoplankton that first evolved during the Jurassic and became extremely common during the Cretaceous.

Answer 7

Coccolithophores

Question 8

___________ which build skeletons of silica, made their appearance during the Cretaceous, but they are more important as primary producers during the Cenozoic.

Answer 8

Diatoms

Question 9

____________ which are organic-walled phytoplankton, were common during the Mesozoic and today are the major primary producers in warm water

Answer 9

Dinoflagellates

Question 10

The long dominance of seedless vascular
plants and gymnosperms ended during the
Early Cretaceous, perhaps the Late Jurassic,
when many of them were replaced by the
flowering plants or _____________.

Answer 10

Angiosperms

Question 11

All organisms interact in some ways and
influence the evolution others, but the interrelationships among flowering plants and insects are so close that biologists refer to changes in one induced by the other as
____________.

Answer 11

Coevolution