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(a) Rhizobium
(b) Convert nitrogen into nitrates or fix Nitrogen gas into nitrate compounds.
johnmulu answered the question on May 8, 2017 at 08:44
- Ascaris lumbricoides in an example for an endo - parasite(Solved)
Ascaris lumbricoides in an example for an endo - parasite
(a) The name Ascaris refers to
(b) State the habitat of the organism.
(c) State three ways in which the organism is adapted to living in its habitat.
Date posted: May 8, 2017. Answers (1)
- Explain why the carrying of wild beasts is higher than that for cattle in a given piece of land. (Solved)
Explain why the carrying of wild beasts is higher than that for cattle in a given piece of land.
Date posted: May 8, 2017. Answers (1)
- (a) Name the bacteria found in the root nodules of leguminous plant.
(b) State the association of the bacteria named in (a) above with the leguminous plants. (Solved)
(a) Name the bacteria found in the root nodules of leguminous plant.
(b) State the association of the bacteria named in (a) above with the leguminous plants.
Date posted: May 8, 2017. Answers (1)
- 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)
- Why are green plants referred to as primary producers in an ecosystem? (Solved)
Why are green plants referred to as primary producers in an ecosystem?
Date posted: May 8, 2017. Answers (1)
- Explain how birds of prey are adapted to obtaining their food. (Solved)
Explain how birds of prey are adapted to obtaining their food.
Date posted: May 8, 2017. Answers (1)
- State two ways in which some fungi are beneficial to humans. (Solved)
State two ways in which some fungi are beneficial to humans.
Date posted: May 8, 2017. Answers (1)
- Give a reason why two species in ecosystems cannot occupy the same niche. (Solved)
Give a reason why two species in ecosystems cannot occupy the same niche.
Date posted: May 8, 2017. Answers (1)
- Distinguish between a community and population. (Solved)
Distinguish between a community and population.
Date posted: May 8, 2017. Answers (1)
- Suggest three reasons why green plants are included in a fish aquarium. (Solved)
Suggest three reasons why green plants are included in a fish aquarium.
Date posted: May 8, 2017. Answers (1)
- State two ways by which the human immuno deficiency virus (H.I.V) is transmitted other than through sexual intercourse? (Solved)
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)
- Give two reasons why primary productivity in an aquatic ecosystem decreases with depth. (Solved)
Give two reasons why primary productivity in an aquatic ecosystem decreases with depth.
Date posted: May 8, 2017. Answers (1)
- What is the relationship between leguminous plants and bacteria found in their root nodules? (Solved)
What is the relationship between leguminous plants and bacteria found in their root nodules?
Date posted: May 8, 2017. Answers (1)
- What is parasitism? (Solved)
What is parasitism?
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)
- Oil can be applied on the stagnant water to control the spread of malaria. (Solved)
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)
- Describe how the quadrant method can be used to estimate the population of various species of plants in a given habitat. (Solved)
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)
- State three characteristics of the class Crustacea (Solved)
State three characteristics of the class Crustacea
Date posted: May 8, 2017. Answers (1)