The higher animals need an internal transport system so that the innermost cells can get nutrients which cannot be left on diffusion and osmosis to transmit.They also need an internal transport system so that they get oxygen to the inner cells.
jkibara answered the question on November 14, 2017 at 09:12
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Name one of the end products of the light reaction in photosynthesis.
(Solved)
Name one of the end products of the light reaction in photosynthesis.
Date posted:
October 27, 2017
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Answers (1)
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Explain the evidences of organic evolution in life forms
(Solved)
Explain the evidences of organic evolution in life forms
Date posted:
October 27, 2017
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Answers (1)
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A traffic police stretched his arm to the right. To cause this motion of the arm, explain the behavior of his biceps and triceps
(Solved)
A traffic police stretched his arm to the right. To cause this motion of the arm, explain the behavior of his biceps and triceps
Date posted:
October 27, 2017
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Answers (1)
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Explain why few organisms are found inhabiting higher altitude than lower altitude
(Solved)
Explain why few organisms are found inhabiting higher altitude than lower altitude
Date posted:
October 27, 2017
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Answers (1)
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Explain how the iris alters the size of the pupil
(Solved)
Explain how the iris alters the size of the pupil
Date posted:
October 27, 2017
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Answers (1)
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State the organism that causes the following diseases (i) Trichonomiasis (ii) Bilharzia
(Solved)
State the organism that causes the following diseases;
i) Trichonomiasis
ii) Bilharzia
Date posted:
October 27, 2017
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Answers (1)
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State two ways in which the ileum is structurally adapted to the absorption of digested food
(Solved)
State two ways in which the ileum is structurally adapted to the absorption of digested food
Date posted:
October 27, 2017
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Answers (1)
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Name the site in mammalian lungs where gaseous exchange occurs
(Solved)
Name the site in mammalian lungs where gaseous exchange occurs
Date posted:
October 27, 2017
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Answers (1)
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Why are people with blood group O called universal donors?
(Solved)
Why are people with blood group O called universal donors?
Date posted:
October 27, 2017
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Answers (1)
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A new born baby has generally a heartbeat of 120 to 140 per minute while that of adult is 70 minutes on average. Account for...
(Solved)
A new born baby has generally a heartbeat of 120 to 140 per minute while that of adult is 70 minutes on average. Account for the difference.
Date posted:
October 27, 2017
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Answers (1)
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State the functions of the following in plants (i) Piliferous layer (ii) Pericycle (iii) Root cap
(Solved)
State the functions of the following in plants
i) Piliferous layer
ii) Pericycle
iii) Root cap
Date posted:
October 27, 2017
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Answers (1)
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What is the effect of antidiuretic hormone in the human body
(Solved)
What is the effect of antidiuretic hormone in the human body
Date posted:
October 27, 2017
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Answers (1)
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Explain how light intensity would affect the distribution of fish in a pond
(Solved)
Explain how light intensity would affect the distribution of fish in a pond
Date posted:
October 27, 2017
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Answers (1)
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Name the field of science that specializes in the study of chemical changes in an organism
(Solved)
Name the field of science that specializes in the study of chemical changes in an organism
Date posted:
October 27, 2017
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Answers (1)
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Name the blood vessels that links arterioles with venules?
(Solved)
Name the blood vessels that links arterioles with venules?
Date posted:
October 25, 2017
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Answers (2)
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Three importance of preserving specimen
(Solved)
Three importance of preserving specimen
Date posted:
October 25, 2017
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Answers (1)
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In an experiment to show that chlorophyll is necessary for photosynthesis a variegated leaf was boiled in water for a few minutes, and then soaked...
(Solved)
In an experiment to show that chlorophyll is necessary for photosynthesis a variegated leaf was boiled in water for a few minutes, and then soaked in warm alcohol, rinsed in warm water and finally covered iodine solution
What is a variegated leaf?
Date posted:
October 24, 2017
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Answers (1)
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How can biologist use biology as a tool?
(Solved)
How can biologist use biology as a tool?
Date posted:
October 24, 2017
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Answers (1)
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How is a fruit formed?
(Solved)
How is a fruit formed?
Date posted:
October 23, 2017
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Answers (1)
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Explain briefly what happens during
(i)light stage of photosynthesis
(ii)Dark stage of photosynthesis
(Solved)
Explain briefly what happens during
(i)light stage of photosynthesis
(ii)Dark stage of photosynthesis
Date posted:
October 19, 2017
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Answers (1)