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(a)i) State the evolutionary characteristics that adopt human beings to the environment. ii) State the ways in which Homo sapiens differs from Homo habilis. b)...

      

Larmarck's and Darwin's theories of evolution, form four biology questions and answers

  

Answers


Felix
(a)i)
- Brain

- Eyes

- Upright posture/bipedal locomotion

- prehensible arm/hand

- Speech

ii) State the ways in which Homo sapiens differs from Homo habilis

•standing upright/erect posture
•intellectual capacity/higher thinking •capacity/bigger brain/higher brain capacity
•communication through language/speech

b) i) Explain Larmarck’s theory of evolution

- Inheritance of acquired characteristics/environment induces production of a favorable trait which is then inherited

ii) Explain why Lamarck’s theory of evolution is not accepted by biologists today

- evidence does not support Lamarck’s theory

- acquired characteristics are not inherited/inherited characteristics are found in reproductive cells only

iii) Explain Darwin’s theory of evolution

- inheritance of genetically acquired characteristics

- a character happens to appear spontaneously which gives advantage to an organism therefore adapted then inherited through natural selection
Anganifelix answered the question on April 17, 2018 at 15:00


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