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(a) Rhizobium Nitrogen fixing bacteria
(b) Symbiosis/ mutualism
johnmulu answered the question on May 8, 2017 at 08:32
- The diagram below represents the nitrogen cycle(Solved)
The diagram below represents the nitrogen cycle
(a) State the process labeled
A..
D..
(b) Name the compound represented by B
(c) Name the group of organisms labeled C
(d) How would excess pesticides in the soil interfere with process A.
Date posted: May 8, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
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State two ways in which some fungi are beneficial to humans.
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Date posted: May 8, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
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State two ways by which the human immuno deficiency virus (H.I.V) is transmitted other than through sexual intercourse?
Date posted: May 8, 2017. Answers (1)
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Give two reasons why primary productivity in an aquatic ecosystem decreases with depth.
Date posted: May 8, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
- The diagram below represents a simplified nitrogen cycle(Solved)
The diagram below represents a simplified nitrogen cycle
(a) Name the organisms that cause process E and J
(b) Name the process represented by F and H.
(c) Name the group of organism represented by G.
Date posted: May 8, 2017. Answers (1)
- The diagram below represents a feeding relationship in an ecosystem(Solved)
The diagram below represents a feeding relationship in an ecosystem
(a) Write down the food chains in which the guinea fowls are secondary consumers.
(b) What would be the short term effects on the ecosystem if lions invaded the area?
(c) Name the organism through which energy from the sun enters the food web
Date posted: May 8, 2017. Answers (1)
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Oil can be applied on the stagnant water to control the spread of malaria.
(a) How does this practice control the spread of malaria?
(b) Give a reason why this practice should be discouraged.
Date posted: May 8, 2017. Answers (1)
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Describe how the quadrant method can be used to estimate the population of various species of plants in a given habitat.
Date posted: May 8, 2017. Answers (1)
- The chart below shows a feeding relationship in a certain ecosystem
(Solved)
The chart below shows a feeding relationship in a certain ecosystem
(a) Construct two food chains ending with a tertiary consumer in each case.
(b) Which organism has the largest variety of predators in the food web?
(c) Name secondary consumers in the food web
(d)Suggest three ways in which the ecosystem would be affected if there was prolonged drought.
Date posted: May 8, 2017. Answers (1)
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State three characteristics of the class Crustacea
Date posted: May 8, 2017. Answers (1)
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(b) State two guidelines that should be followed when typing scientific names. (Solved)
(a) What is meant by the term binomial nomenclature?
(b) State two guidelines that should be followed when typing scientific names.
Date posted: May 8, 2017. Answers (1)
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The diagram below represents a member of the kingdom Animalia.
(i) Name the phylum to which the organism belongs.
(ii) Using observable features in the diagram, give three reasons for the answer in b (i)
Date posted: May 8, 2017. Answers (1)
- The diagram below represents a plant in the division Bryophyta. (Solved)
The diagram below represents a plant in the division Bryophyta.
(i) Name the parts labelled B and D
(ii) State one function for each of the parts labeled A and C.
Date posted: May 8, 2017. Answers (1)