Exam 13: The Greatest Species on Earth Biodiversity and Classification

True or false: Mitochondria and chloroplasts of eukaryotic cells are very similar to prokaryotes.

Which scientist specializes in categorizing and describing groups of organisms?

-What evolutionary milestone is shown in the figure?

In what period did all modern animal groups first appear in the oceans?

Approximately how old is life on Earth?

Which categories are in the correct order, from most inclusive to least inclusive?

In order to construct an evolutionary classification of modern-day aquatic vertebrates, what is the best source of information?

Which kingdom would include an organism that is multicellular, relies on other organisms for food, and reproduces by spores?

What is the result of adaptive radiation?

How could a molecule from plants that blocks the connection between nerves and muscles be useful as a pharmaceutical?

Why will the leftovers in your refrigerator be guaranteed to eventually grow mold?

A book is being publicized that purports to provide proof that aliens from another planet brought life to Earth. The proof they show are strange fossils of multicellular organisms that look like no animal you have ever seen. What group actually includes these "aliens"?

For what reason might scientists change the most current classification system?

What free-living organisms developed into both mitochondria and chloroplasts?

True or false: It's possible for the same species to be categorized under two different names in different natural history museums around the world.

Which kingdom would include an organism that is multicellular and makes its own food?

In which era did primitive bacteria first appear?

How do fungi obtain nutrients?

What is the most important role of bacteria in the environment?

What process is performed by both algae and plants?