SYMBIOSISSYMBIOSIS

How are our relationships How are our relationships comparable to ecology?comparable to ecology?

What is symbiosis?What is symbiosis?

Symbiosis: Symbiosis: is a close is a close ecological relationship ecological relationship between the individuals between the individuals of two (or more) of two (or more) different species. different species.

Mutualism: Mutualism: cooperative cooperative relationship in which relationship in which both species derive both species derive some benefit.some benefit.

Example: PollinationExample: Pollination

Parasitism: Parasitism: one one individual known as the individual known as the parasite, feeds on parasite, feeds on another individual, another individual, known as the host.known as the host.

Endoparasite- InternalEndoparasite- Internal Ectoparasite- ExternalEctoparasite- External CommensalismCommensalism: :

interaction in which one interaction in which one species benefits and the species benefits and the other is not affected.other is not affected.

ObjectivesObjectives

1. To explain that all things have 1. To explain that all things have relationships.relationships.

2. To go into detail of Symbiosis:2. To go into detail of Symbiosis: ParasitismParasitism CommsensalismCommsensalism MutualismMutualism

How do we understand How do we understand Symbiosis?Symbiosis?

Every ecosystem has Every ecosystem has many different many different symbiotic symbiotic relationships. Each relationships. Each fills a niche. All fills a niche. All symbiotic symbiotic relationships are relationships are specific to the specific to the organisms. You can’t organisms. You can’t replace one with replace one with another. another.

ParasitesParasites

Dog

Fleas Heart Worm Giardia

Commensalism Commensalism

1.1. An orchid lives on An orchid lives on a tropical tree. It a tropical tree. It lives on the tree lives on the tree to reach the to reach the sunlight.sunlight.

Mutualism Mutualism 1.1. There is a bird, the Egyptian plover, There is a bird, the Egyptian plover,

which cleans crocodile teeth by eating which cleans crocodile teeth by eating the left over food particles in the the left over food particles in the crocodile’s mouth.crocodile’s mouth.

So what do my relationships So what do my relationships have to do with ecology?have to do with ecology?

Ecology is all about the relationships Ecology is all about the relationships within an ecosystem. within an ecosystem.

If the relationships work well the If the relationships work well the ecosystem is healthy.ecosystem is healthy.

We all have relationships if they are We all have relationships if they are healthy we are vibrant, productive, healthy we are vibrant, productive, happy and fulfilled!happy and fulfilled!