The diversity of life

Question 1

Unity

Answer 1

Two species that share similar traits because they have descended from a common ancestor.

Question 2

Diversity

Answer 2

Two different species that have diverged from a common ancestor.

Question 3

Prokaryotic

Answer 3

A cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles. (bacteria and archaea)

Question 4

Eukaryotic

Answer 4

A cell with a membrane-enclosed nucleus and membrane-enclosed organelles. (protists, plants, fungi and animals)

Question 5

Archaea

Answer 5

One of two prokaryotic domains, the other being bacteria.

Question 6

Eukarya

Answer 6

Domain that includes all eukaryotic organisms.

Question 7

Protists

Answer 7

Term applied to any eukaryote that is not a plant, animal or fungus. Most protists are unicellular.

Question 8

Natural selection

Answer 8

Individuals that have better adapted traits to the environment tend to survive and reproduce at higher rates than those with less suited traits.

Question 9

Adaptation

Answer 9

Inherited characteristic of an organism that enhances its survival and reproduction in a specific environment.

Question 10

Phospholipids

Answer 10

A lipid made up of glycerol joined to two fatty acids and a phosphate group. Form bilayers that function as biological membranes. (non-polar and polar ends).