By Sean, Shawn, Elgin Low & Michelle

Biotic Relationships

Friday, January 21, 2011

• It influences evolution

• Predators become more capable of capturing prey.

• Prey become more

http://www.sulekha.com/mstore/shantala-anil/albums/default/owl%20and%20the%20rat.jpg

Lion (Predator) that has caught a zebra (Prey)

Owl (Predator) chasing

a mouse (Prey)

http://www

.sulekha.com/

mstore/shan

tala-anil/albu

ms/default/o

wl%20and%2

0the%20rat.j

pg

http://www.scholarsandrogues.com/wp-content/uploads/2008/02/lionzebra.jpg

Predator-Prey Relationship

Friday, January 21, 2011

Symbiotic Relationships between Plants

There are 3 types of Symbiosis:ParasitismCommensalismMutualism

All these 3 types of symbiosis involve 2 types of plants living together in an extended period of time.

Colorado Blue Spruce, commonly interacts with plants like P. pungens

http://bioweb.uwlax.edu/bio203/s2009/loch_spen/Adaptations%20and%20Interactions.htmhttp://bioweb.uwlax.edu/bio203/s2009/loch_spen/676_Blue_Spruce%5B1%5D.jpg

Friday, January 21, 2011

Pictures source: http://en.wikipedia.org/wiki/File:Hummingbird_hawkmoth_a.jpghttp://www.portlandbirdobs.btinternet.co.uk/mp_hummingbird_hawk_4_140606_450.jpg

http://en.wikipedia.org/wiki/File:Dianthus.jpg

MutualismWhat is

Mutualism?

Mutualism is any relationship between two species of organisms that benefits both species. This is the relationship most people think of when they use the word “symbiosis."

Hummingbird Hawkmoth drinking from Dianthus Dianthus

Hummingbird Hawkmoth drinking from Ixora

Examples:Hummingbirds and

flowersThe hummingbird drinks the nectar from the flowers, the hummingbird will then help to pollinate the flower.

Friday, January 21, 2011

An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense. (Resulting in the loss of the host’s life, loss of nutrients, or in the below salmonella case, serious pains)

http://pingryms.pbworks.com/f/450px-Strangler_fig_kerala.jpg

Tree

Strangler vine (takes nutrients from the

tree, slowly killing it)

Parasitic Life Forms...

http://www.foodpoisonjournal.com/uploads/image/salmonella(3).jpg

Salmonella

Normally causes diarrhea, abdominal

cramps, and fever within 8 to 72 hours after

the contaminated food was

eaten.Some cases leads to meningitis.

Intestinal track

http://www.fsis.usda.gov/factsheets/salmonella_questions_&_answers/index.asp

Friday, January 21, 2011

Commensalism• Commensalism is where

one organism benefits while the other remains unaffected.

• An example would be the Hazel Grouse.

• It gets food and shelter from the Colorado Blue Spruce but the Spruce gets nothing in return.

Hazel Grouse

http://bioweb.uwlax.edu/bio203/s2009/loch_spen/Adaptations%20and%20Interactions.htmhttp://www.naturephoto-cz.com/hasel-grouse:tetrastes-bonasia-photo-7060.html

Friday, January 21, 2011