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Large organisms have small surface area to volume ratio;hence less heat lost.Small animals have large surface area to volume ratio thus lose more heat.
Belan answered the question on March 15, 2019 at 14:09
- (i)(a)Distinguish between homologous and analogous structures.
(b)Give one example in each case.(Solved)
(i)(a)Distinguish between homologous and analogous structures.
(ii)Give one example in each case.
Date posted: March 15, 2019. Answers (1)
- (a)State the importance of the following in the diet.
(i)Iron.
(ii)Vitamin A.
(b)Name the product of the dark stage of photosynthesis.(Solved)
(a)State the importance of the following in the diet.
(i)Iron.
(ii)Vitamin A.
(b)Name the product of the dark stage of photosynthesis.
Date posted: March 15, 2019. Answers (1)
- (a)Which cell organelle is most abundant in mammalian liver cells? (b) State two functions of the Golgi apparatus.(Solved)
(a)Which cell organelle is most abundant in mammalian liver cells?
(b)State two functions of the Golgi apparatus.
Date posted: March 15, 2019. Answers (1)
- Write down the formula used to calculate the magnification of an object when using a hand lens.(Solved)
Write down the formula used to calculate the magnification of an object when using a hand lens.
Date posted: March 15, 2019. Answers (1)
- Name one organism in each of the following taxonomic groups:
(i)Protoctista.
(ii)Monera.(Solved)
Name one organism in each of the following taxonomic groups:
(i)Protoctista.
(ii)Monera.
Date posted: March 15, 2019. Answers (1)
- State the two main types of nutrition.(Solved)
State the two main types of nutrition.
Date posted: March 15, 2019. Answers (1)
- Define the term fertilisation.(Solved)
Define the term fertilisation.
Date posted: March 15, 2019. Answers (1)
- State adaptations of stomata in xerophtes.(Solved)
State adaptations of stomata in xerophytes.
Date posted: March 15, 2019. Answers (1)
- Name a structure that performs the same function as a stoma in a woody stem.(Solved)
Name a structure that performs the same function as a stoma in a woody stem.
Date posted: March 15, 2019. Answers (1)
- (a)Give three structural differences between angiosperms and gymnosperms.(b)Name two classes of angiosperms.(c)Give three characteristics of division spermatophyta.(Solved)
(a)Give three structural differences between angiosperms and gymnosperms.
(b)Name two classes of angiosperms.
(c)Give three characteristics of division spermatophyta.
Date posted: March 15, 2019. Answers (1)
- Describe the digestion, absorption and assimilation of milk in humans.(Solved)
Describe the digestion, absorption and assimilation of milk in humans.
Date posted: March 15, 2019. Answers (1)
- Name the different types of skeletons in animals, giving an example of an animal for each type of skeleton named(Solved)
Name the different types of skeletons in animals, giving an example of an animal for each type of skeleton named
Date posted: March 14, 2019. Answers (1)
- Explain the Ways in which erect posture is maintained in a Weak herbaceous stem(Solved)
Explain the Ways in which erect posture is maintained in a Weak herbaceous stem
Date posted: March 14, 2019. Answers (1)
- Name the tissues in plants that are strengthened with lignin(Solved)
Name the tissues in plants that are strengthened with lignin
Date posted: March 14, 2019. Answers (1)
- Explain a conditioned reflex(Solved)
Explain a conditioned reflex
Date posted: March 14, 2019. Answers (1)
- Define irritability, stimulus and response(Solved)
Define irritability, stimulus and response.
Date posted: March 14, 2019. Answers (1)
- How would you prove that evolution is still taking place?(Solved)
How would you prove that evolution is still taking place?
Date posted: March 14, 2019. Answers (1)
- List the types of chromosomes(Solved)
List the types of chromosomes
Date posted: March 14, 2019. Answers (1)
- What is moulting?(Solved)
What is moulting?
Date posted: March 12, 2019. Answers (1)
- State the roles of placenta in humans.(Solved)
State the roles of the placenta in humans.
Date posted: March 12, 2019. Answers (1)