The Study of Life 1.2

Question 1

Branch of biology that names & classifies species into groups of increasing breadth

Answer 1

Taxonomy

Question 2

Followed by kingdoms, the broadest units of classification

Answer 2

Domains

Question 3

This domain includes all eukaryotic organisms

Answer 3

Eukarya Domain

Question 4

3 Multicellular Kingsdoms of Eukarya Domain

Answer 4

1) Plants, which produce their own food via photosynthesis
2) Fungi, which absorb nutrients
3) Animals, which ingest their food

Question 5

What are the 3 domains of life?

Answer 5

Bacteria, Archae, and Eukarya

Question 6

What domains compose the prokaryotes?

Answer 6

Bacteria & Archae

Question 7

Imagine that you have just discovered a new multicellular but microscopic organism that swims in the ponds. You see that it is propelled by cilia on the outside of the organism. What can you say about the evolutionary relationships of this organism?

Answer 7

The presence of cilia shows that it shares a common ancestor with Paramecium and humans,

Question 8

*Species show evidence of “descent with modification” from common ancestors”

Answer 8

Darwin’s Theory of Natural Selection

Question 9

The mechanism behind descent with modification

Answer 9

Darwin’s Theory of Natural Selection

Question 10

The adaptation of organisms to their environment is result of what?

Answer 10

Natural Selection

Question 11

Who inferred that

• Individuals that are best suited to their enviroment are more likely to survive and reproduce.
• Over time, more individuals in a population will have the advantageuous traits.

Answer 11

Darwin

Question 12

When the environment “selects” for the propagation of beneficial traits

Answer 12

Natural Selection

Question 13

What did Darwin propose that Natural Selection could cause?

Answer 13

Ancestral species to give rise to two or more descendent species.