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1. Can cause cancer of the skin as they contain mercury.
2. Weakens the skin
chrispohmomanyi answered the question on February 12, 2018 at 08:08
- State three adaptations of the human spermatozoa(Solved)
State three adaptations of the human spermatozoa
Date posted: February 12, 2018. Answers (1)
- What is meant by Homologous structure? give an example
(Solved)
What is meant by Homologous structure? give an example
Date posted: February 12, 2018. Answers (1)
- Distinguish between Ecology and Ecosystem(Solved)
Distinguish between Ecology and Ecosystem
Date posted: February 12, 2018. Answers (1)
- Ascaris lumbricoides is an endoparasite.
(a)Name the genus to which it belongs.
(b)State the habitat of the organism.
(c)tate three ways in which the organism is adapted to...(Solved)
Ascaris lumbricoides is an endoparasite.
(a)Name the genus to which it belongs.
(b)State the habitat of the organism.
(c)tate three ways in which the organism is adapted to living in its habitat.
(d)Mention three ways of preventing spread of the parasite.
Date posted: February 11, 2018. Answers (1)
- Describe the consequences of deficiency of testosterone hormone in man(Solved)
Describe the consequences of deficiency of testosterone hormone in man.
Date posted: February 11, 2018. Answers (1)
- What is the study of fossils called?(Solved)
What is the study of fossils called?
Date posted: February 11, 2018. Answers (1)
- Describe the mechanism of gaseous exchange in the tracheal system of insects(Solved)
Describe the mechanism of gaseous exchange in the tracheal system of insects
Date posted: February 11, 2018. Answers (1)
- Describe the internal structure of the heart(Solved)
Describe the internal structure of the heart.
Date posted: February 11, 2018. Answers (1)
- a) Name the process that results to formation of tissue fluid.
b) What is serum?
(Solved)
a) Name the process that results to formation of tissue fluid.
b) What is serum?
Date posted: February 10, 2018. Answers (1)
- State the structural adaptations of veins to their function. (Solved)
State the structural adaptations of veins to their function.
Date posted: February 10, 2018. Answers (1)
- State two structural adaptations of veins to their function. (Solved)
State two structural adaptations of veins to their function.
Date posted: February 10, 2018. Answers (1)
- (a)Name two cardiovascular diseases. (b)If the nerve supply to the heart of a mammal is severed the rhythmic heart contraction and relaxation will go on and...(Solved)
a)Name two cardiovascular diseases.
(b)If the nerve supply to the heart of a mammal is severed the rhythmic heart contraction and relaxation will go on and heart continues to beat. Explain why.
Date posted: February 10, 2018. Answers (1)
- Name the respiratory sites of the following:
(i) Fish
(ii) Insects (Solved)
Name the respiratory sites of the following:
(i) Fish
(ii) Insects
Date posted: February 10, 2018. Answers (1)
- Differentiate between gaseous exchange and ventilation. (Solved)
Differentiate between gaseous exchange and ventilation.
Date posted: February 10, 2018. Answers (1)
- State one adaptation of the following parts of mammalian eye.
(i) Fovea centralis.
(ii) Sclera.
(iii) Cilliary body.(Solved)
State one adaptation of the following parts of mammalian eye.
(i) Fovea centralis.
(ii) Sclera.
(iii) Cilliary body.
Date posted: February 10, 2018. Answers (1)
- a)Define the term natural selection.
(b)Name three evidence of organic evolution. (Solved)
a)Define the term natural selection.
(b)Name three evidence of organic evolution.
Date posted: February 10, 2018. Answers (1)
- List down the roles of lipids in the body(Solved)
List down the roles of lipids in the body.
Date posted: February 10, 2018. Answers (1)
- Give five functions of peptides(Solved)
Give five functions of peptides
Date posted: February 10, 2018. Answers (1)
- Name three animals in phylum chordata?(Solved)
Name three animals in phylum chordata?
Date posted: February 9, 2018. Answers (1)
- Explain physical barriers that mediate natural immunity(Solved)
Explain the physical factors that mediate natural immunity.
Date posted: February 8, 2018. Answers (1)