Ecology Part One

all the populations of all species living in an area.

• population
• community
• ecosystem
• species

Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought.

• limiting factor
• habitat
• ecosystem
• carrying capacity

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 plants that convert energy from the sun or chemicals.

• decomposer
• primary consumer
• secondary consumer
• producer

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An organism that eat's plants and meat.

• herbivore
• omnivore
• carnivore
• detrivore

A relationship that only helps one organism.
ex. barnacle on whale

• mutualism
• parasitism
• commensalism

The role or function or job of a species in a community.

• habitat
• diet
• niche
• ecosystem

grass->rabbit  -> fox

• food chain
• food web
• energy pyramid

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Which process uses oxygen in plants, algae, and animals?

• photosynthesis
• respiration
• chemosynthesis
• transpiration

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As you move upward, from level to level, in an energy pyramid, energy _____.

• increases
• decreases
• stays the same
• increases exponentially

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A jar has two fish in it. What will happen?

• Carbon dioxide will increase
• Oxygen will increase
• Carbon dioxide will decrease
• Nitrogen will decrease

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