Chapter 9 Science

What is Mutualism?

• symbiotic relationship in which two species in a community benefit from the relationship

• Symbiotic relationship in which one species (parasite) benefits while another (host) is harmed

• symbiotic relationship where one species benefits and the other is neither helped nor harmed

What is Parasitism?

• symbiotic relationship in which two species in a community benefit from the relationship

• Symbiotic relationship in which one species (parasite) benefits while another (host) is harmed

• symbiotic relationship where one species benefits and the other is neither helped nor harmed

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What is commensalism?

• symbiotic relationship in which two species in a community benefit from the relationship

• Symbiotic relationship in which one species (parasite) benefits while another (host) is harmed

• symbiotic relationship where one species benefits and the other is neither helped nor harmed

What is an example of Mutualism?

• Leafcutter ants and fungus

• Mistletoe

• Cockleburs

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What is an example of Parasitism?

•  Leafcutter ants and fungus

•  Mistletoe

• Cockleburs

What is an example of communalism?

•  Leafcutter ants and fungus

•  Mistletoe

• Cockleburs

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What is the oxygen cycle.

• Photosynthesis gives us oxygen, we collect oxygen, when we exhale, we give out carbon dioxide which is then used to make more oxygen.

• Some use light energy, Photosynthesis, to change energy into food; Others capture chemical energy, Chemosynthesis, to change energy into food.

• Humans and the Burning of fossil fuels adds oxygen to atmosphere.

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What is an ecosystem?

• made up of all the members of one species

• The living and nonliving things in one place.

• A geographic area on Earth

• All the populations living in one place at the same time

What is a Biome?

• The living and nonliving things in one place

• A geographic area on Earth that contains ecosystems with similar abiotic and biotic features.

• Made up of all the members of a species that in an area.

What is Carrying Capcity?

• The largest number of individuals of one species that an ecosystem can support over time.

• Factors that limit the growth of a population.

• The gradual change from one community to another.