Ecosystems (interrelationships)

Ecosystems (interrelationships)

Organisms are constantly interacting with each other both biotic and abiotic whether

• Predator (hunts other organisms)

• Prey (being hunted)

• symbiosis (interaction between 2 different organisms)

• Competition (need the same resources.. maybe be limited)

• NICHE- the role of and organism in its environment

Mutualism(+,+) BOTH organisms benefit

• Sea anemones and Clownfish

• Flowers and Bees

• https://www.youtube.com/watch?v=kjZyC_fry9s

Multiple Choice

In a mutualistic Relationship BOTH organisms are

• benefitted

• harmed

• hungry

• prey

Parasitism (-,+) one organism is benefited the other is harmed

• ticks that live on dogs

• viruses, Tape worms

• https://www.youtube.com/watch?v=NFa8-Hagg9Y

Commensalism - one organism is benefited the other is not affected good or bad

• Sharks and Remora Fish

• Livestock And Cattle Egrets

• https://www.youtube.com/watch?v=jBg59_8TXbM

https://www.youtube.com/watch?v=0UHMUIGhGNg

Multiple Choice

Kudzu vines grow by clmibing and warpping around trees. Trees covered by the Kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them?

• competition

• mutualism

• parasitism

• predator-prey

Multiple Choice

A parasite needs a _______ to survive

• house

• host

• virus

• niche

Multiple Choice

What happens to a population and to competition when there is a reduction in living space?

• population expands and competition intensifies

• competition strengthens while the population contract

• the population increases as competition decreases

• competition weakens and the population decreases

Multiple Choice

Wolves prey on deer for food, what most likely happen to the deer population if wolves are removed from an area where deer live

• deer will increase

• deer will decrease

• deer will remain the same

• deer will become extinct