Symbiosis and Levels of Organization

The close relationship between two different species in an ecosystem

• Biosphere

• Ecology

• Symbiosis

• Environment

Atom → molecule → organelle → cell→ tissue → organ

system → organism→ population → community→ ecosystem → biosphere

• Levels of organization

• Symbiosis

• atmosphere

• Intrinsic

Organisms that can interbreed and produce fertile offspring.

Example: all humans are the same species with the scientific name Homo sapiens

• Symbiosis

• Population

• Ecosystem

• Species

A symbiotic relationship where one species obtains food or benefits from another species without benefitting or harming the other.

• Commensalism

• Mutualism

• Competition

• Parasitism

A symbiotic relationship that benefits both members of two different species.

• Predator-Pray

• Commensalism

• Mutualism

• Parasitism

A symbiotic relationship where one organism (the parasite) benefits from and hurts another (the host).

Usually the parasite is getting food from the hosts body.

• Commensalism

• Parasitism

• Mutualism

• Competition

A relationship where one organism (predator)

eats another organism (prey),

usually of a different species.

• Parasitism

• Mutualism

• Commensalism

• Predation

The interaction of biotic and abiotic factors with a given area

• habitat

• ecosystem

• community

• biotic factors

Which of the following is not an example of parasitism?

• ticks on a dog

• barnacles on a whale

• fleas on a cat

• heartworms in a dog

All the members of the same species in a specific arrea

• community

• biome

• population

• ecosystem