- What is a biotic factor?
 An organism that is or was living
 A nonliving thing
 A type of living organism that cannot reproduce
 A type of matter that originates from the Earth's core
2. A housing development is situated near a river that flows into a bay. Which of the following is an abiotic factor in the river that would directly affect the marine ecosystem in the bay?
 The types of trees growing along the river bank
 The types of sediment moving down river
 The amount of houses facing the river
 The amount of plant life in the river
3)Which of the following is an example of a biotic factor?
 The salinity level in a salt marsh
 The temperature of water at the seafloor
 The shrimp population in a bay
 The amount of sunlight reaching a seagrass bed
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4)Which of the following abiotic factors affects the ocean by creating disturbances that move energy through the water?
 Nutrients
 Oxygen
 Salinity
 Waves
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5. )An estuary ecosystem has been damaged by pollution and sediment runoff. What types of factors should be considered when designing a plan for the ecosystem's recovery?
 Abiotic factors from the estuary only
 Biotic factors from the estuary only
 Both abiotic and biotic factors, but only from the estuary
 Both abiotic and biotic factors, from the estuary and the surrounding area
Answers
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Posted 26 Apr 2017 02:04 AM
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