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(i)Reflect light on to the object on stage being viewed.
(ii)Magnify image of specimen formed by objective lens.
(iii)Bring image to sharp focus/moves body of microscope with objective lens or the stage very small distances.
Belan answered the question on February 22, 2019 at 11:26
- (A)State the importance of each of the following to the life of organisms:
(i)Respiration
(ii)Excretion(Solved)
(A)State the importance of each of the following to the life of organisms:
(i)Respiration
(ii)Excretion
Date posted: February 22, 2019. Answers (1)
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Explain the three types of protozoans found in the soil habitat.
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Explain why amoeba absorbs excess water and it does not burst, while a animal cell burst when it absorbs excess water.
Date posted: February 19, 2019. Answers (1)
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Explain the defensive behavior of termites.
Date posted: February 18, 2019. Answers (1)
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a)Excretory system.
b)Body plan.
c)Digestive system.
d)Nematodes musculature.(Solved)
Discuss parasitic nematodes under the following subheadings:
a)Excretory system.
b)Body plan.
c)Digestive system.
d)Nematodes musculature.
Date posted: February 18, 2019. Answers (1)
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Distinguish between the male and female reproductive systems in Nematodes.
Date posted: February 18, 2019. Answers (1)
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Briefly describe nervous system in Nematodes.
Date posted: February 18, 2019. Answers (1)
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Discuss the three types of parasitic nematodes.
Date posted: February 18, 2019. Answers (1)
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Explain how predators are adapted to capture their prey
Date posted: February 18, 2019. Answers (1)
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Explain why xylem vessels have dead cells
Date posted: February 18, 2019. Answers (1)
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Explain conditions when most soil microorganisms are active in the soil ecosystem.
Date posted: February 18, 2019. Answers (1)
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Discuss animal eat plant relationships using Fungi and Nematodes as an example in nitrogen fixation.
Date posted: February 18, 2019. Answers (1)
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Discuss the soil food web found in most natural ecosystems.
Date posted: February 18, 2019. Answers (1)
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Discuss Linneaus’ hierarchy as a classification method for microorganisms.
Date posted: February 18, 2019. Answers (1)
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Briefly explain how earthworms eat in the soil.
Date posted: February 18, 2019. Answers (1)
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Explain how earthworms move through the soil.
Date posted: February 18, 2019. Answers (1)
- One square foot of soil has an array of small invertebrates, hundreds, or even thousands of species, many of which are still unknown to science.Discuss...(Solved)
One square foot of soil has an array of small invertebrates, hundreds, or even thousands of species, many of which are still unknown to science.Discuss at least 15 microorganism species showing their classification class.
Date posted: February 18, 2019. Answers (1)
- Discuss bio-pesticides as way of enhancing sustainable ecosystems under the following subheadings:
a)Define.
b)Types of bio-pesticides.
c)Examples.
d)Advantages for use.(Solved)
Discuss bio-pesticides as way of enhancing sustainable ecosystems under the following subheadings:
a)Define.
b)Types of bio-pesticides.
c)Examples.
d)Advantages for use.
Date posted: February 18, 2019. Answers (1)
- (a)(i)State two reasons why clot formation is important when a blood vessel is cut.
(ii)Explain what happens if a clot forms in a blood vessel in...(Solved)
(a)(i)State two reasons why clot formation is important when a blood vessel is cut.
(ii)Explain what happens if a clot forms in a blood vessel in the head.
(b)State two components of the diet that are needed in blood clotting.
(c)Name two proteins that are involved in clot formation.
Date posted: February 15, 2019. Answers (1)