Zebra Mussel Zebra mussel population growth in the Great Lakes is a growing concern. Zebra mussels are not native to North America, and due to their ability to rapidly multiply, they have been depleting the food sources for many of the native fish species in the Great Lakes. They are also associated with causing toxic algal blooms, preventing sunlight and oxygen access to many plant and fish life in the lakes. Three years ago, a 5 km' section of the Great Lakes was studied and approximately 89 000 zebra mussel colonies were found. Each colony produced 120 colonies over a three-year period. However, only 2% of the new colonies survived past the first year. Over the three years, there were 97 000 dead colonies that were washed ashore in the Great Lakes. Many of the zebra mussels attach themselves to hard surfaces, such as boats and trailers. It was estimated that approximately 85 000 colonies attached themselves to boats and left the area. Many of these zebra mussels died, but some managed to hitchhike on boat equipment and enter other waterbodies. Negligible numbers of zebra mussels migrated from other lakes. 11. Calculate the change in population size. Show all your work and round your answer to the nearest whole number.
Zebra Mussel Zebra mussel population growth in the Great Lakes is a growing concern. Zebra mussels are not native to North America, and due to their ability to rapidly multiply, they have been depleting the food sources for many of the native fish species in the Great Lakes. They are also associated with causing toxic algal blooms, preventing sunlight and oxygen access to many plant and fish life in the lakes. Three years ago, a 5 km' section of the Great Lakes was studied and approximately 89 000 zebra mussel colonies were found. Each colony produced 120 colonies over a three-year period. However, only 2% of the new colonies survived past the first year. Over the three years, there were 97 000 dead colonies that were washed ashore in the Great Lakes. Many of the zebra mussels attach themselves to hard surfaces, such as boats and trailers. It was estimated that approximately 85 000 colonies attached themselves to boats and left the area. Many of these zebra mussels died, but some managed to hitchhike on boat equipment and enter other waterbodies. Negligible numbers of zebra mussels migrated from other lakes. 11. Calculate the change in population size. Show all your work and round your answer to the nearest whole number.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Zebra Mussel
Zebra mussel population growth in the Great Lakes is a growing concern. Zebra mussels
are not native to North America, and due to their ability to rapidly multiply, they have been
depleting the food sources for many of the native fish species in the Great Lakes. They are
also associated with causing toxic algal blooms, preventing sunlight and oxygen access to
many plant and fish life in the lakes.
Three years ago, a 5 km' section of the Great Lakes was studied and approximately
89 000 zebra mussel colonies were found.
Each colony produced 120 colonies over a three-year period. However, only 2% of the new
colonies survived past the first year.
Over the three years, there were 97 000 dead colonies that were washed ashore in the
Great Lakes.
Many of the zebra mussels attach themselves to hard surfaces, such as boats and trailers.
It was estimated that approximately 85 000 colonies attached themselves to boats and
left the area. Many of these zebra mussels died, but some managed to hitchhike on boat
equipment and enter other waterbodies. Negligible numbers of zebra mussels migrated
from other lakes.
11.
Calculate the change in population size.
Show all your work and round your answer to the nearest whole number.
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