(a) (i) Pisces
(ii) Aquatic
(iii) Have gills for gaseous exchange
(b) (i) fish gills, gills
(ii) Site for gaseous exchange
(iii) Operculum
(iv) - Have numerous gill filaments to increase the surface area for gaseous exchange.
- Have gill rakers to trap food particles and solid materials which may damage the delicate gill
filaments.
- Have thin epithelium (blood visible) to reduce diffusion distance hence faster exchange of
respiratory gases.
(c) (i) Trachea
(ii) It is tubular; hollow ; it has ring of cartilage.
(iii) - Tubular/hollow to transport respiratory gases ;
sharon kalunda answered the question on May 27, 2019 at 10:54
- Study the photographs and answer the following questions.
I) The photograph in Plate 5 shows the germination process in a species of legume.
(a) (i) Name the...(Solved)
Study the photographs and answer the following questions.
I) The photograph in Plate 5 shows the germination process in a species of legume.
(a) (i) Name the type of germination shown in the photograph.
(ii) Give a reason for your answer.
(b) Other than germination the seedling have shown some responses.
(i) Name two responses shown in the photograph.
(ii) State one survival value of each of the response named above.
(II) Examine the photograph in Plate 6 and Plate 7 which show different essential parts of a flower of a species on two different plants.
(a) Name the flower parts shown in Plate 6 and Plate 7.
(b) (i) Name the phenomenon described in the statement above.
(ii) Explain the significance of the phenomena stated in (a)(i) above.
(c) (i) State the mode of pollination of the flower shown in the photograph.
(ii) Give a reason for your answer.
(d) (i) State the type of pollination of the flower shown in the photograph.
(ii) Give two reasons for your answer.
Date posted: May 27, 2019. Answers (1)
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i ) Name the phylum to which B belongs.
ii) Give three reasons for your answer in (a) (i)...(Solved)
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i ) Name the phylum to which B belongs.
ii) Give three reasons for your answer in (a) (i) above.
b) Name the class to which specimen A belongs.
c) Give three differences between specimen B and E.
d)Use the dichotomous key provided to identify the organism.
a) Jointed legs present............................................................................ go to 2
b) Jointed legs absent.............................................................................. go to 7
a) Have 3 pairs of legs............................................................................ go to 3
b) Have more than 3 pairs of legs........................................................... go to 5
a) With wings.......................................................................................... go to 4
b) Without wings.................................................................................... Anoplura
a) Have one pair of wings....................................................................... Diptera
b) Have two pairs of wings..................................................................... Hymenoptera
a) Have four pairs of legs........................................................................ Arachnida
b) Have more than 10 pairs of legs.......................................................... go to 6
a) With one pair of legs per segment...................................................... Chilopoda
b) With two pairs of legs per body segment........................................... Diplopoda
a) With body enclosed in a shell............................................................. Mollusca
b) Body surface with spiny projections................................................... Echinodermata.
Identify steps followed to identify organism A, B, C, and E
Date posted: May 27, 2019. Answers (1)
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ii) Name the parts labeled K and L
iii)Identify the type of section shown in the...(Solved)
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Date posted: May 27, 2019. Answers (1)
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b) Name the agent of pollination for the...(Solved)
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Date posted: May 27, 2019. Answers (1)
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b) From the graph:
i) Determine the period of exercise.
ii) Explain
c) i) Determine the time when oxygen debt incurred.
ii) Explain
d) i) The duration it took to pay back the oxygen debt
ii) Explain
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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b) Identify the parts R and S.
c) i) State three...(Solved)
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b) Identify the parts R and S.
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are all copper.
a) Comment on the inheritance of the three alleles B, R and C.
b) A dog breeder wishes to know the genotype of a dog with red hair tips. State and explain the cross needed to determine
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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b) Give a reason for your answer in (a) above.
c) Write down the complimentary base...(Solved)
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State the...(Solved)
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b) Give a reason for your answer in (a) above....(Solved)
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b) Give a reason for your answer in (a) above.
Date posted: May 27, 2019. Answers (1)