a) Irritability
The ability of an organism to perceive and respond to changes in the internal and external environment
b) Response
The change in an organism's activity in response to a stimuli
c) Stimulus
The change in the environment that brings about change in activity of an organism or part of it
23454 answered the question on October 28, 2018 at 14:05
- State two reasons why accumulation of lactic acid acid [in animal cells, produced from pyruvic acid through anaerobic respiration, in “power” exercises e.g. sprinting]...(Solved)
State two reasons why accumulation of lactic acid acid [in animal cells, produced from pyruvic acid through anaerobic respiration, in “power” exercises e.g. sprinting] leads to an increase in the rate of the heart beat.
Date posted: October 27, 2018. Answers (1)
- State and explain four chromosome structure and variation.(Solved)
State and explain four chromosome structure and variation.
Date posted: October 24, 2018. Answers (1)
- Discuss the double helix structure of DNA(Solved)
Discuss the double helix structure of DNA.
Date posted: October 23, 2018. Answers (1)
- State and explain characteristics of genetics material(Solved)
State and explain characteristics of genetics material.
Date posted: October 23, 2018. Answers (1)
- Define gene regulation and state five reasons why gene activity is regulated in a cell(Solved)
Define gene regulation and state five reasons why gene activity is regulated in a cell.
Date posted: October 21, 2018. Answers (1)
- What are the functions of centrosomes?(Solved)
What are the functions of centrosomes?
Date posted: October 21, 2018. Answers (1)
- Name three destinations of spindle fibres in the cell(Solved)
Name three destinations of spindle fibres in the cell
Date posted: October 21, 2018. Answers (1)
- What are the limitations of dry mass measurement in assessing growth?(Solved)
What are the limitations of dry mass measurement in assessing growth?
Date posted: October 21, 2018. Answers (1)
- Why is change in dry mass measurement of an organism the best indicator of growth?(Solved)
Why is change in dry mass measurement of an organism the best indicator of growth?
Date posted: October 21, 2018. Answers (1)
- Outline characteristics of invasive plants such as water hyacinth commonly found in Kenya.(Solved)
Outline characteristics of invasive plants such as water hyacinth commonly found in Kenya.
Date posted: October 18, 2018. Answers (1)
- Name the blood vessel that supplies blood to kidneys(Solved)
Name the blood vessel that supplies blood to kidneys
Date posted: October 15, 2018. Answers (1)
- Name the blood vessel that supply the blood to Heart muscles(Solved)
Name the blood vessel that supply the blood to Heart muscles.
Date posted: October 15, 2018. Answers (1)
- Name the branch of biology that deals with study of: (a) Insects. (b) Micro-organisms(Solved)
Name the branch of biology that deals with study of: (a) Insects. (b) Micro-organisms
Date posted: October 15, 2018. Answers (1)
- Explain why short distance runners breathe quickly and deeply at the end of a race(Solved)
Explain why short distance runners breathe quickly and deeply at the end of a race.
Date posted: October 13, 2018. Answers (1)
- State the importance of the replications of deoxyribonucleic acid in meiosis(Solved)
State the importance of the replications of deoxyribonucleic acid in meiosis.
Date posted: October 11, 2018. Answers (1)
- Discuss the role of the following hormones in blood sugar
control
1.Insulin
2.Glucagon.(Solved)
Discuss the role of the following hormones in blood sugar
control
1.Insulin
2.Glucagon.
Date posted: October 10, 2018. Answers (1)
- Draw a labeled diagram of mammalian nephron(Solved)
Draw a labeled diagram of mammalian nephron.
Date posted: October 10, 2018. Answers (1)
- Draw and label a mammalian skin.(Solved)
Draw and label a mammalian skin.
Date posted: October 10, 2018. Answers (1)
- What are obligate anaerobes?(Solved)
What are obligate anaerobes?
Date posted: October 10, 2018. Answers (1)
- What is anaerobic respiration?(Solved)
What is anaerobic respiration?
Date posted: October 10, 2018. Answers (1)