Unit 8 Phylogeny & Classification REVIEW for TEST 8

Front

What is the endosymbiotic theory?

Back

The endosymbiotic theory states that the inner and outer membranes of the mitochondria indicate these were once free-living organisms that were taken into an early cell via endocytosis. This theory is supported by the presence of prokaryotic ribosomes and the replication of mitochondria via binary fission.

Front

Which organelles in a cell arose from endosymbiosis?

Back

Mitochondria and chloroplasts.

Front

What does a phylogenetic chart show?

Back

It shows relationships of species over time.

Front

Which type of organism can reproduce on their own?

Back

Bacteria.

Front

What are the 8 levels of classification in biology?

Back

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.

Front

What is the broadest level of classification?

Back

Domain.

Front

What is the most specific level of classification?

Back

Species.

Front

What is the significance of prokaryotic ribosomes in the endosymbiotic theory?

Back

They support the idea that mitochondria and chloroplasts originated from free-living prokaryotic organisms.

Front

How do mitochondria replicate?

Back

Mitochondria replicate via binary fission.

Front

What is endocytosis?

Back

Endocytosis is the process by which cells take in substances by engulfing them.