NEW MATERIAL/ EXAM 4 (part 2)

Question 1

Essay of the Principle of Population (1798)

Answer 1

Thomas Malthus

Question 2

What was “Essay of the Principle of Population” about?

Answer 2

-Malthus says: Many more offspring are born than can survive. Many die prematurely (before reproducing)

Question 3

What are the roles of Sea-turtles?

Answer 3

• They eat sea matter
• Green turtles eat seagrass beds
• they fertilize dunes w/ eggs
• Eggs that don’t rot, can become food for others
• other species can catch a ride on their backs
• They eat jellyfish!!! && sponges!!

Question 4

What are some human causes of mortality of Sea Turtles?

Answer 4

• marketing since people eat their meat & eggs
• Poaching for souvenirs
• pollution
• boat strikes
• beach development & lighting
• plastic overuse
• bottom trawling

Question 5

_______ % of the shrimp we eat, are farm raised.

Answer 5

80

Question 6

Whats the problem with Farm Raised Shrimp (“shrimp agriculture”)

Answer 6

• Raised in a mangrove ecosystem, which the farm only lasts 5-7 years b/c of the need of the antibiotics
• YOU CANT RESTORE A MANGROVE!!!
• IT DESTROYS THE MANGROVE!!

Question 7

What are solutions to help our marine ecosystem?

Answer 7

Reduce the amounts of shrimp and marine fish we eat!

Question 8

Roughly ______ of all mangrove forests were replaced with commercial shrimp farms between 1986-1996.

Answer 8

1/3

Question 9

In SE Asia and Indonesia, ________% of the world’s shrimp farm are located there.

Answer 9

80

Question 10

Tsunami damage is much worse in ares where :

Answer 10

Areas with mangrove loss

Question 11

In the past 5 years, seafood consumption in the US has ________.

Answer 11

Gone up (80% is imported)!

Question 12

What are the levels of organization in nature?

Answer 12

• individual
• populations
• biological communities
• ecosystems
• biosphere (Earth)
• Solar System
• Milky way Galaxy
• The Universe!

Question 13

Community-level Diversity is:

Answer 13

In the ecosystems

Question 14

Species Diversity is:

Answer 14

In communities

Question 15

Genetic Diversity is found:

Answer 15

Within populations

Question 16

All terestrial ecosystems are ________ powered, and deep seas are ______ powered.

Answer 16

Solar

Geothermal

Question 17

What is meant by “monoculture of the mind”?

Answer 17

Trends towards the simplification of human linguistic diversity and culture uniformity

Question 18

Extirpation means?

Answer 18

ecologically extinct

Question 19

When we bring in alien species, we see a _________ __________.

Answer 19

Range reduction

Question 20

Americans make up ___% of the world’s population, and use nearly ___% of the world’s resources.

Answer 20

4% & 25%

Question 21

Per Capita consumption =

Answer 21

Amount of resources used / # of people in society

Question 22

The increase of human population in the US per year is about ___________.

Answer 22

3 million

Question 23

We entered the 20th century with less than ____ people….We entered the 21st century with more than _____ people!

Answer 23

2 billion people & 6 billion people (now @ 7B)

Question 24

__________ is the primary driving force in increasing human population in US in the last 35 years.

Answer 24

Immigration

Question 25

What are 9 Simple Things you can do to reduce your annual CO2 emissions?

Answer 25

1-change to compact Florescent light bulbs 
2-drive less
3-recycle 1/2 of household waste
4-keep tires inflated
5-wash clothes in cold/warm water
6-Cut down garbage by 10%
7-Adjust thermostat (2 deg)
8-Plant a tree
9-unplug/turn off unused electronic devices