Ecology We are all connected and interdependent Food

Ecology: We are all connected and interdependent

Food Web (This one is from Antarctica) Fig 54. 12

Ecological Interconnections

Interconnections Fig 55. 4

Fig 53. 20 Predator-Prey interactions

Hare populations are limited by predation and food availability.

Fig 53. 12 Carrying Capacity stationary phase exponential growth

Human Population Growth as of 2/16 at 330 pm: 6, 803, 178, 393 Fig 53. 22

Fig 53. 12 What limits Carrying Capacity? …

…Availability of resources. Space

Availability of resources and removal of waste limits carrying capacity Fig 55. 4

Fig 53. 20 Predator-Prey interactions

Fig 55. 11 fewer consumers than producers

Fig 55. 11 Energy is lost in each consumer 3 30 200 1000

Fig 55. 11 Energy is lost as it is consumed: where does it go? 1000

only a small percent of energy from plants enters the food chain Fig 55. 9

only a small percent of energy is stored in organism Fig 55. 9

Fig 55. 11 Energy is lost in each consumer 1000

What resources do organisms need? Space

Fig 55. 14 Carbon cycle

CO 2 levels in Hawaii and average global temp. Fig 55. 21

Nitrogen cycle 80% in air Fig 55. 14

Nitrogen as part of amino acids N N N

Nitrogen cycle 80% in air Fig 55. 14

Resources are not evenly distributed Fig 55. 6

Ecosystems on Earth: resources are not evenly distributed Fig 52. 19

Ecology: We are all connected and interdependent