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State two theories advanced to support the origin of life
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State two biological significance of dormancy in seeds.
Date posted: January 14, 2017 . Answers (1)
What type of variation is exhibited by the ability to roll the tongue in humans?
Explain how the following occur during chromosomal mutations;i) Non - disjunctionii) Deletion
Which structure encloses the heart?
State one function for each of the following apparatus in the study of living organisms.a) Sweet netb) Pooterc) Magnifying lens
Define the term visual acuity.
Where are the light sensitive cells located in the eye?
Name the site where anaerobic respiration occurs in a cell.
What is the difference between respiratory quotient and oxygen debt?
Name the type of skeleton found in the following animalsi) Insectsii) Earthwormsiii) Humans
State two physiological changes that take place in the human skin to help in the conservation of the body heat.
Identify the phylum and class to which a scorpion belongs
State how osmosis can promote support in young non-woody plants.
Name a physiological process that requires energy to be used for it to take place.
What are the functions of the centrioles?
Name the part of the microscope that is used to: i) Change from one objective lens to another ii) Regulates the amount of light to the specimen.