Lecture 36 - Human-Impacts

Question 1

Anthropocene Epoch: Definition

Answer 1

Era that describes when humans activity started to have significant impact on Earth’s climate and ecosystem.

Question 2

Ecological footprint: Definition

Answer 2

A way to quantify human claims on global resources.

Question 3

Growth Rates:

Answer 3

Increase in chemical reactions can allow an organism to reproduce more efficiently.

Question 4

Changes in Ranges:

Answer 4

Species will move upward in elevation and towards the poles.

Question 5

Changes in Ranges: Types of changes

Answer 5

Complete shift
Expansion
Contraction

Question 6

Consequences of habitat fragmentation: Edge effects

Answer 6

Increased edge effects causes reduction in biodiversity.

Question 7

Changes in: Timing of biological activity

Answer 7

Phenology - The study of periodic events in biological cycles and how they are influenced by seasonal and interannual variations in climate.Bol

Question 8

Changes in: Timing of biological activity

Answer 8

Phenological mismatch: Interacting species change the timing of regularly repeated phases of their life cycles at different rates (also sometimes called trophic asynchrony).

Question 9

Changes in Ocean Chemistry:

Answer 9

Coral bleaching
Destruction of carbonate shells.