Chapter 1

Question 1

What is the biological organization? (How does it go?)

Answer 1

Biosphere> ecosystem> community> population> organism> organ system> organ> tissue> cell> organelle> molecule> molecule> atom. With each step up, new properties emerge as a result of interactions among components at lower levels

Question 2

Eukaryote

Answer 2

A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Organisms with eukaryotic cells (protists, plants, fungi, and animals) are called eukaryotes.

Question 3

Prokaryote

Answer 3

A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles. Organisms with prokaryotic cells (bacteria and archaea) are called prokaryotes.

Question 4

What are the three domains?

Answer 4

Bacteria and archaea (which consist of prokaryotes)

Eukarya (the eukaryotes, includes various groups of protists, as well as plants, fungi, and animals