Chapter 1

Question 1

What are the 3 domains of life?

Answer 1

Archaea, Bacteria, and eukarya

Question 2

How are all living organisms related?

Answer 2

evidence shows us that all species are related–that is, that they are all descended from a common ancestor.

Question 3

How is energy converted in a ecosystem

Answer 3

primary producers use energy from the sun to produce their own food…they are eaten by secondary consumers and then waste is produced and the cycle repeats

Question 4

Hierarchy of structural levels in biological organizations…least to most complex

Answer 4

atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.

Question 5

Prokaryotic Cell

Answer 5

a cell that lacks a membrane-enclosed nucleus and membrane enclosed organelle

Question 6

what is under the branch of prokaryotic cells?

Answer 6

Bacteria and Archaea

Question 7

Eukaryotic Cell

Answer 7

a cell with a membrane-enclosed nucleus and membrane-enclosed organelles.

Question 8

What falls under the branch of Eukaryotic cells?

Answer 8

Protists, plant cell, animal cell and fungi

Question 9

What is population?

Answer 9

a group that interbreeds groups of individuals of a single type occupying a defined area