Ecosystems Flashcards

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1
Q

who does Lauren love?

A

wheezy

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2
Q

what is eutrophication caused by

A

excess nutrients

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3
Q

process of eutrophication

A
  1. mineral ions leached from fertilized fields stimulate rapid growth of algae in ponds and rivers
  2. large amounts of algae block light from reaching plants below
  3. plants eventually die - can’t photosynthesize enough
  4. bacteria feed off dead plant matter , ↑ed no. of bacteria ↓ o2 conc in h2o by carring out aerobic respiration
    5 aquatic organisms eg fish die cuz not enough dissolved o2
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4
Q

what is an ecosystem

A

all organisms living in a particular area and all abiotic conditions

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