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A rhinoceros in a national park was found to be infected with ticks. Name the trophic level occupied by thea) rhinocerosb) ticks
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A constant supply of oxygen is necessary for plants to efficiently absorb dissplved mineral salts from soil. Explain
Date posted: January 17, 2017 . Answers (1)
Name one factor that is maintained at a relatively constant level in the body by the following organsi) Liverii) Skiniii) Kidneys
Other than xylem tissue, name two strengthening tissues in plants.
Name the main mineral elements obtained from insects by insectivoros plants
Date posted: January 16, 2017 . Answers (1)
Give two advantages of metamorphosis to the life of insects.
State one advantage of heterodonts over homodonts.
Date posted: January 14, 2017 . Answers (1)
State the; a) Material that strengthens the xylem tissue.b) Tissue that is removed when the bark of a dicotyledonous plant is ringed.
What is the difference between respiratory quotient and oxygen debt?