maintain a constant body temperature (Independent of temperature of surrounding);
sharon kalunda answered the question on September 13, 2019 at 13:09
- You are provided with photographs of animals. Study the photographs and the dichotomous key below to enable you identify the taxonomic group to which each...(Solved)
You are provided with photographs of animals. Study the photographs and the dichotomous key below to enable you identify the taxonomic group to which each animal belongs.
KEY
1. a) Jointed legs present ………………………………………………………………go to 2
b) Jointed legs absent………………………………………………………………..go to 7
2. a) Three pairs of legs ………………………………………………………………..go to 3
b) More than 3 pairs of legs………………………………………………………….go to 5
3. a) Wings present …………………………………………………………………….go to 4
b) Wings absent………………………………………………………………………Anoplura
4. a) One pair of wings…………………………………………………………………Diptera
b) Two pairs of wings……………………………………………………………Hymenoptera
5. a) Four pairs of legs ………………………………………………………………… Arachnida
b) More than ten pairs of legs ………………………………………………………. go to 6
6. a) One pair of legs in each body segment…………………………………………… Chilopoda
b) Two pairs of legs in each body segment ………………………………………… Diplopoda
7. a) Body partially enclosed in a shell………………………………………………… Mollusca
b) Body surface has spiny projection…………………………………………….Echinodermata
a) Using the key, identify the following organisms to their taxonomic groups. In each case, give the sequence of steps which you followed in identifying them.
b) i) Using observable features only, state the class to which the animal labeled A and B on the photographs above belong.State two observable features on B, that enabled you to arrive at that answer in (b) (i) above.
Date posted: September 13, 2019. Answers (1)
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a) What biological processes are represented by A and B?
b) Identify the product Y.
c) State the bond represented by X.
Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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Describe what happens in the first phase of aerobic respiration.
Date posted: September 13, 2019. Answers (1)
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(i) Change in chromosomal structure
(ii) Change in chromosomal number(Solved)
State one example of chromosomal mutation that lead to
(i) Change in chromosomal structure
(ii) Change in chromosomal number
Date posted: September 13, 2019. Answers (1)
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For each of these messages identify the type of gene mutation illustrated
Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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(a) Identify the structures labeled A and B.
(b) Identify the structures labelled in the diagram that will develop into the following after fertilization.
(i) Embryo
(ii) Endosperm
(c) State the ploidy of each the following nucleic after fertilization
(i) C
(ii) D
Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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The diagrams below illustrate some chromosome mutations.
(a) Identify the mutations illustrated above.
(b) Give an example of a disorder in humans caused by mutation A above.
Date posted: September 13, 2019. Answers (1)
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Give an example of a beneficial mutation in plants.
Date posted: September 13, 2019. Answers (1)
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(b) What is the function of the cardiac muscle in the organ you have named in (a)...(Solved)
(a) In which organ is cardiac muscle found.
(b) What is the function of the cardiac muscle in the organ you have named in (a) above.
Date posted: September 13, 2019. Answers (1)
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(b) What results are expected if one is diabetic?
Date posted: September 13, 2019. Answers (1)
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Date posted: September 13, 2019. Answers (1)
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In a prolonged drought period, forage was scarce. It made animals reach out for higher forage and this way the giraffes got the stretched long necks.
(a) What is the term used for a characteristic such as the long necks outlined?
(b) What is the name given to the theory that describes the evolution of such structures like the long necks?
(c) State and explain the limitation of the theory you named in (b) above.
Date posted: September 13, 2019. Answers (1)
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What is the reason for there differences.
Date posted: September 13, 2019. Answers (1)