Eutrophication is the release of harmful chemicals such as herbicides and pesticides as well as manures manures from agricultural land into the water bodies leading to increase of algae and blooms.
Effects are as listed below:
Causes hypoxia which is reduced oxygen in the water body.
Causes increased oduors due to frequent decomposition in the water body.
Causes death of aquatic life such as fish.
Cause increased growth of phytoplanktons and increased zooplanktons feeding on phytoplanktons.
Reduces the water quality in terms of colour.
franco crick answered the question on February 28, 2018 at 11:35
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Trace the pathway through which nitrogen gas in the atmosphere is eventually incorporated in the tissues of a carnivore
(Solved)
Trace the pathway through which nitrogen gas in the atmosphere is eventually incorporated in the tissues of a carnivore.
Date posted:
February 26, 2018
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Answers (1)
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Describe how the following parts are adapted to their functions. (a)Cardiac muscles (b)Ventricles (c)Pericardium
(Solved)
Describe how the following parts are adapted to their functions.
(a)Cardiac muscles
(b)Ventricles
(c)Pericardium
Date posted:
February 26, 2018
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Answers (1)
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(a) State three processes by which flowering plants excrete waste products and for each process name two waste products that are eliminated. (b) Describe the...
(Solved)
(a) State three processes by which flowering plants excrete waste products and for each process name two waste products that are eliminated.
(b) Describe the functions of the various components of the mammalian blood.
Date posted:
February 23, 2018
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Answers (1)
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Describe the nitrogen cycle
(Solved)
Describe the nitrogen cycle
Date posted:
February 23, 2018
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Answers (1)
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(a) Describe the photosynthetic theory of opening and closing of the stomata.
(b) Describe the regulation of blood sugar level in man.
(Solved)
(a) Describe the photosynthetic theory of opening and closing of the stomata.
(b) Describe the regulation of blood sugar level in man.
Date posted:
February 23, 2018
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Answers (1)
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The pancreas and the liver work together in the regulation of glucose in the blood.
i) State the role of these organs when the concentration...
(Solved)
The pancreas and the liver work together in the regulation of glucose in the blood.
i) State the role of these organs when the concentration of glucose in blood is below normal.
ii) What would be the effect of removing the pancreas from the body?
iii) Distinguish between diabetes mellitus and diabetes insipidus
Date posted:
February 23, 2018
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Answers (1)
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a) Describe the process of accommodation in the human eye.
b) Describe the mechanism of regulation of the amount of light entering the eye.
(Solved)
a) Describe the process of accommodation in the human eye.
b) Describe the mechanism of regulation of the amount of light entering the eye.
Date posted:
February 23, 2018
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Answers (1)
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Describe the uptake and movement of water from the soil to the leaves of a tall plant till transpiration
(Solved)
Describe the uptake and movement of water from the soil to the leaves of a tall plant till transpiration
Date posted:
February 23, 2018
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Answers (1)
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State the functions of the following cell organelles. (i)Golgi apparatus (ii)Mitochondria
(Solved)
State the functions of the following cell organelles.
(i) Golgi apparatus
(ii) Mitochondria
Date posted:
February 19, 2018
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Answers (1)
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Name the organelle that:(a) Manufacture and transport lipids and steroids in a cell. (b)Contain enzymes that are capable of destroying old damaged cells. ...
(Solved)
Name the organelle that:-
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b) Contain enzymes that are capable of destroying old damaged cells.
c) Control all the processes in a cell.
d) Form cilia and flagella in cells that have them.
Date posted:
February 19, 2018
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Answers (1)
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State two differences between bryophytes and pteridophytes ...
(Solved)
State two differences between bryophytes and pteridophytes
Date posted:
February 19, 2018
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Answers (1)
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List three applications of genetics
(Solved)
List three applications of genetics
Date posted:
February 19, 2018
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Answers (1)
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State three causes of variation in living things.
(Solved)
State three causes of variation in living things.
Date posted:
February 19, 2018
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Answers (1)
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State the significance of sunken stomata in plants.
(Solved)
State the significance of sunken stomata in plants.
Date posted:
February 19, 2018
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Answers (1)
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Highlight three importance of transpiration in plants
(Solved)
Highlight three importance of transpiration in plants
Date posted:
February 19, 2018
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Answers (1)
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State three differences between male and female gametes
(Solved)
State three differences between male and female gametes
Date posted:
February 19, 2018
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Answers (1)
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(a) Name two divisions in the kingdom Plantae that show alternation of generation (b)Name the phylum whose member possesses a notochord.
(Solved)
(a) Name two divisions in the kingdom Plantae that show alternation of generation
(b)Name the phylum whose member possesses a notochord.
Date posted:
February 19, 2018
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Answers (1)
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(a) What is homeostasis? (b) Name three processes in the human body in which homeostasis is involved
(Solved)
(a) What is homeostasis? (b) Name three processes in the human body in which homeostasis is involved.
Date posted:
February 19, 2018
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Answers (1)
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A patient was given a drug which caused afferent arteriole entering the glomerulus to dilate while efferent arteriole constricted. Explain the effect the drug had...
(Solved)
A patient was given a drug which caused afferent arteriole entering the glomerulus to dilate while efferent arteriole constricted. Explain the effect the drug had to the amount of urine produced.
Date posted:
February 19, 2018
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Answers (1)
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Distinguish between analogous and homologous structures
(Solved)
Distinguish between analogous and homologous structures
Date posted:
February 19, 2018
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Answers (1)