Unit 4 Free For All Review

Front

What do similar forelimb structures in different organisms indicate?

Back

They indicate that the organisms share a common ancestor.

Front

What is disruptive selection in natural selection?

Back

Disruptive selection produces two or more groups with different traits in a population.

Front

How can relationships between species be determined?

Back

By finding similarities in genetic maps.

Front

What is the Last Universal Common Ancestor (LUCA)?

Back

LUCA is believed to be the common ancestor of all current life forms, existing between 3.5 and 3.8 billion years ago.

Front

What distinguishes bacterial kingdoms from other kingdoms like Animalia and Plantae?

Back

Bacterial kingdoms are made up of prokaryotic cells, while Animalia, Plantae, Protista, and Fungi consist of eukaryotic cells.

Front

What is a characteristic of all organisms in the kingdoms Protista, Plantae, Fungi, and Animalia?

Back

They have cells that contain membrane-bound organelles.

Front

What is the significance of genetic similarities in species?

Back

Genetic similarities can indicate evolutionary relationships and common ancestry.

Front

What is the role of natural selection in evolution?

Back

Natural selection leads to the adaptation of organisms to their environment over time.

Front

What are eukaryotic cells?

Back

Eukaryotic cells are complex cells that contain membrane-bound organelles, including a nucleus.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are simpler cells that lack a nucleus and membrane-bound organelles.