Chapter 1

Question 1

Eukaryotic cell

Answer 1

Has membrane-enclosed organelles, the largest being the nucleus.

Question 2

Prokaryotic cell

Answer 2

Simpler, smaller, does not have a nucleus or organelles.

Question 3

Producers

Answer 3

Organisms that create their own food. Photosynthesis.

Question 4

Consumers

Answer 4

Has to eat other organisms to get energy.

Question 5

Evolution

Answer 5

that living organisms are modified descendants of common ancestors.

Question 6

The three domains of life

Answer 6

Bacteria, archaea and eukarya

Question 7

Domain Eukarya

Answer 7

includes all eukaryotic organisms, protists and three kingdoms.

• Plants, which photosynthesize
• Fungiwhich absorb nutrients
• Animals, which ingest their food

Question 8

5 unifying themes of biology

Answer 8

Organization: Form fits function
Information:(genetic, DNA)
Energy and Matter: Energy flows, enters as light exits as heat. Chemicals cycle.
Interactions: may be beneficial or harmful to one or both of the organisms
Evolution: modified descendants of common ancestors.

Question 9

Levels of biological orginisation

Answer 9

atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, and biosphere

Question 10

The 4 nucleotides of DNA

Answer 10

A, G, C, and T.