Ecosystems

Question 1

who does Lauren love?

Answer 1

wheezy

Question 2

what is eutrophication caused by

Answer 2

excess nutrients

Question 3

process of eutrophication

Answer 3

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

Question 4

what is an ecosystem

Answer 4

all organisms living in a particular area and all abiotic conditions