Exams key posted --- Homework #2 and #3 Today: What happens near the carrying capacity?

What are the 10 non-human organisms that you have the greatest interaction/interconnection with?

Ecological Interconnections

Fig 52.7 Carrying Capacity stationary phase exponential growth

Availability of resources and removal of waste limits carrying capacity Fig 54.1

Resources are not evenly distributed Fig 55.6 Resources are not evenly distributed

Ecosystems on Earth: resources are not evenly distributed Fig 52.19 Ecosystems on Earth: resources are not evenly distributed

Number of bird species: Areas of higher and lower biodiversity reflect available resources

Biodiversity “hot spots” have plentiful resources and large numbers of species Fig 56.17

Unfortunately there is lots of bad news... Fig 56.4 Unfortunately there is lots of bad news... FEWER THAN 100 REMAIN EXTINCT FEWER THAN 100 REMAIN

Unfortunately there is lots of bad news... and it is your fault.

Rainforest clear cutting CB 55.15

Dead zone in Gulf of Mexico from Mississippi River Human impacts: Dead zone in Gulf of Mexico from Mississippi River Fig 55.18 http://blog.nola.com/times-picayune/2007/06/despite_promises_to_fix_it_the.html

What happens as populations approach their carrying capacity? Fig 53.13

What happens as populations approach their carrying capacity? Fig 53.13

What happens as populations approach their carrying capacity?

What happens as populations approach their carrying capacity?

36.4 9 2.3 UN Department of Economic and Social Affairs Population Division (2004)

Annual % increase in global population Fig 53.23

How much of our society is based on continuing population increases? 36.4 9 2.3 UN Department of Economic and Social Affairs Population Division (2004)

Exams key posted --- Homework #2 and #3 Office hours posted throughout next week