Module One - Introduction to Ecosystems

Resource partitioning:

•  can occur through morphological differences between competing species.

• can cause the extinction of a competing species.

• is not the result of behavioral changes.

• does not occur among competing predators. 
  

The interaction between bees and sunflowers is an example of:

• predation

• parasitism

• mutualism

• commensalism

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Pathogens are a type of:

• mutualist.

• parasite.

• predator.

• herbivore

Which interaction can harm both species involved?

• competition

• predation

• parasitism

• commensalism

Species that spread rapidly across large areas, causing harm to local species are called:

• exotic species

• invasive species

• alien species

• native species

IDENTIFY: abiotic factors defining ecosystems (choose ALL that apply)

• Precipitation

• Minerals

• Streptococcus aureus

• Sunflower

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IDENTIFY: biotic factors defining ecosystems (choose ALL that apply)

• minerals in soil

• heterotrophs

• sunlight

• a living organism that shapes its environment

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EXPLAIN: why the boundary of an aquatic ecosystem is easier to define than a terrestrial ecosystem?

• Aquatic ecosystems have varying layers that are easier to identify than terrestrial ecosystems.

• Terrestrial ecosystems all have boundaries that correspond between land and water.

• Terrestrial ecosystems have direct boundaries, with no interaction amongst the other biomes.

• Aquatic ecosystems have distinct boundaries that correspond to the boundaries between land and water.

IDENTIFY: the region of the planet where life resides. (Choose ALL that apply)

• Terrestrial Ecosystems

• Aquatic Ecosystems

• Biosphere

• The back of a brown recluse spider.

IDENTIFY: the range where life on the planet resides.

• Atmosphere

• Terrestrial Biome

• Aquatic biomes

• Biosphere