Get premium membership and access questions with answers, video lessons as well as revision papers.
Adaptive radiation -these are structures with the same embryonic origin but that have been modified to perform different functions
Convergent evolution-these are structures with the same embryonic origin but have been modified to perform similar functions
Mutation-these are spontaneous changes in the structure of the genetic material in living organisms
dantanoquido answered the question on April 28, 2018 at 05:40
- Name two organelles in plants that can be seen under low power objective lens
(Solved)
Name two organelles in plants that can be seen under low power objective lens
Date posted: April 27, 2018. Answers (1)
- Describe the pumping mechanism of the heart
(Solved)
Describe the pumping mechanism of the heart
Date posted: April 25, 2018. Answers (1)
- Discuss five factors influencing photosynthesis.(Solved)
Discuss five factors influencing photosynthesis.
Date posted: April 25, 2018. Answers (1)
- Describe how natural selection brings about adaptations of a species to its environment(Solved)
Describe how natural selection brings about adaptations of a species to its environment.
Date posted: April 25, 2018. Answers (1)
- Explain why the companion cells are located next to the sieve tubes(Solved)
Explain why the companion cells are located next to the sieve tubes.
Date posted: April 24, 2018. Answers (1)
- Identify the external features of plants considered in classification (Solved)
Identify the external features of plants considered in classification
Date posted: April 24, 2018. Answers (1)
- What causes cancer?(Solved)
What causes cancer?
Date posted: April 24, 2018. Answers (1)
- What is the difference between artificial classification and modern classification (Solved)
What is the difference between artificial classification and modern classification
Date posted: April 24, 2018. Answers (1)
- Name the organelle that performs each of the following functions in a cell. (a) Transport of packaged glycoproteins (b) Destruction of worn out cell organelles (c) Synthesis(Solved)
Name the organelle that performs each of the following functions in a cell.
(a) Transport of packaged glycoproteins
(b) Destruction of worn out cell organelles
(c) Synthesis of proteins
Date posted: April 24, 2018. Answers (1)
- Why is it advisable for a woman to donate blood after every 3 months while a man can donate blood after every 4 months?(Solved)
Why is it advisable for a woman to donate blood after every 3 months while a man can donate blood after every 4 months?
Date posted: April 24, 2018. Answers (1)
- Explain how a leaf is tested for starch(Solved)
Explain how a leaf is tested for starch.
Date posted: April 23, 2018. Answers (1)
- Explain the biotic factors affecting distribution of organisms (Solved)
Explain the biotic factors affecting distribution of organisms
Date posted: April 22, 2018. Answers (1)
- Describe how semicircular canals perform their functions(Solved)
Describe how semicircular canals perform their functions
Date posted: April 21, 2018. Answers (1)
- Discuss the apparatus used in specimen (Solved)
Discuss the apparatus used in specimen
Date posted: April 21, 2018. Answers (1)
- What is the difference between growth and reproduction?(Solved)
What is the difference between growth and reproduction?
Date posted: April 21, 2018. Answers (1)
- Explain the term Gaseous exchange as used in biology (Solved)
Explain the term Gaseous exchange as used in biology
Date posted: April 21, 2018. Answers (1)
- Explain the role of the kidney in the purification of blood.(Solved)
Explain the role of the kidney in the purification of blood.
Date posted: April 20, 2018. Answers (1)
- Explain the role of the following in homeostasis; 1. Skin 2. Liver 3. Hypothalamus(Solved)
Explain the role of the following in homeostasis;
1. Skin
2. Liver
3. Hypothalamus
Date posted: April 20, 2018. Answers (1)
- Differentiate between: 1. Heterotrophic and autotrophic modes of nutrition. 2. Photosynthesis and chemosynthesis(Solved)
a) Differentiate between:
1. Heterotrophic and autotrophic modes of nutrition.
2. Photosynthesis and chemosynthesis
b) Explain the importance of the following in photosynthesis.
1. Guard cells
2. Xylem tissues
c) State any three adaptations of a leaf to photosynthesis.
Date posted: April 20, 2018. Answers (1)
- Briefly explain the following modes of nutrients; 1. Saprophytism 2. Mutualism 3. Holozoic(Solved)
Briefly explain the following modes of nutrients;
1. Saprophytism
2. Mutualism
3. Holozoic
Date posted: April 20, 2018. Answers (1)