Did the Dinosaurs Walk on Pangea

question 21

Multiple Choice

Did the dinosaurs walk on Pangea?

• A)Yes,some of them did,because Pangea did not break up until the Jurassic Period.
• B)No,Pangea broke apart at the end of the Permian before dinosaurs evolved.
• C)Yes,Pangea formed in the Permian and broke apart at the end of the Cretaceous.
• D)Yes,the meteorite impact that killed the dinosaurs was responsible for breaking up Pangea.

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Definitions:

Gross Primary Productivity

The total rate at which an ecosystem's producers, like plants, convert solar energy into organic substances through photosynthesis.

Photosynthesis

is the process by which green plants, algae, and some bacteria convert light energy into chemical energy, producing oxygen and glucose from carbon dioxide and water.

Detritivores

Organisms that feed on dead organic material, especially plant detritus.

Saprotrophs

Organisms that feed on or derive nourishment from decaying organic matter, playing a vital role in decomposition and nutrient cycling.