Get premium membership and access questions with answers, video lessons as well as revision papers.
Have streamlined bodies; to reduce friction;
Body is covered with scales; which overlap backwards; to reduce friction;
Skin produces mucus; which covers the body making it slippery; reducing friction;
Have swim bladder; which stores air; for buoyancy hence make the fish float;
Myotomes/muscle blocks; that contract alternately; for forward thrust in water;Lateral line
system; on either side of the body which is sensitive to pressure and water currents;
Possess fins; that are used for locomotion: tail/caudal fins; for propulsion; dorsal; and anal fins;
prevent rolling; pectoral fin; used for breaking/steering; prevents yawing/side to side
movement; controls pitching; pelvic fins; for steering/pitching;
Kavungya answered the question on May 13, 2021 at 13:48
- Why is locomotion necessary in higher animals?(Solved)
Why is locomotion necessary in higher animals?
Date posted: May 13, 2021. Answers (1)
- Discuss three examples of natural selection in action(Solved)
Discuss three examples of natural selection in action
Date posted: May 13, 2021. Answers (1)
- How is the mammalian gaseous exchange system adapted to its functions?(Solved)
How is the mammalian gaseous exchange system adapted to its functions?
Date posted: May 13, 2021. Answers (1)
- Describe what happens in a flower from the time of pollination up to the time of seed and fruit development(Solved)
Describe what happens in a flower from the time of pollination up to the time of seed and fruit development
Date posted: May 13, 2021. Answers (1)
- Outline the differences between wind and insect pollinated flowers(Solved)
Outline the differences between wind and insect pollinated flowers
Date posted: May 13, 2021. Answers (1)
- How are xerophytes and hydrophytes adapted to their habitats(Solved)
How are xerophytes and hydrophytes adapted to their habitats
Date posted: May 13, 2021. Answers (1)
- Discuss the causes, effects and control measures for water pollution(Solved)
Discuss the causes, effects and control measures for water pollution
Date posted: May 13, 2021. Answers (1)
- Discuss the various ways in which anaerobic respiration is utilized in industries and homes .(Solved)
Discuss the various ways in which anaerobic respiration is utilized in industries and homes .
Date posted: May 13, 2021. Answers (1)
- Discuss the various mechanisms of opening and closing of stomata(Solved)
Discuss the various mechanisms of opening and closing of stomata
Date posted: May 13, 2021. Answers (1)
- Explain how mammalian bodies regulate glucose and protein levels in their blood(Solved)
Explain how mammalian bodies regulate glucose and protein levels in their blood
Date posted: May 13, 2021. Answers (1)
- Describe the process of urine formation in the mammalian kidneys(Solved)
Describe the process of urine formation in the mammalian kidneys
Date posted: May 13, 2021. Answers (1)
- Describe double circulation in mammals(Solved)
Describe double circulation in mammals
Date posted: May 13, 2021. Answers (1)
- Name any three factors that must be maintained constant in mammalian bodies(Solved)
Name any three factors that must be maintained constant in mammalian bodies
Date posted: May 13, 2021. Answers (1)
- Outline and explain the various homeostatic functions of the liver in mammals(Solved)
Outline and explain the various homeostatic functions of the liver in mammals
Date posted: May 13, 2021. Answers (1)
- What is the importance of a balance diet in human nutrition?(Solved)
What is the importance of a balance diet in human nutrition?
Date posted: May 13, 2021. Answers (1)
- What is digestion?(Solved)
What is digestion?
Date posted: May 13, 2021. Answers (1)
- Explain why the following conditions are necessary for photosynthesis
a. Carbon (IV) Oxide
b. Light
c. Chlorophyll
d. Suitable temperature and pH
e. Water(Solved)
Explain why the following conditions are necessary for photosynthesis
a. Carbon (IV) Oxide
b. Light
c. Chlorophyll
d. Suitable temperature and pH
e. Water
Date posted: May 13, 2021. Answers (1)
- What are the differences and similarities between mitosis and meiosis?(Solved)
What are the differences and similarities between mitosis and meiosis?
Date posted: September 13, 2020. Answers (1)
- Describe the three phases of Phosphogluconate Pathway.(Solved)
Describe the three phases of Phosphogluconate Pathway.
Date posted: April 6, 2020. Answers (1)
- Briefly describe the three distinct stages of interphase(Solved)
Briefly describe the three distinct stages of interphase
Date posted: April 6, 2020. Answers (1)