​List three characteristics that distinguish arthropods from organisms in kingdom Monera1/11/2021 List three characteristics that distinguish arthropods from organisms in kingdom Monera (3mks)
 State three ways how HIV and AIDS is transmitted in human population (3mks)
What are the effects of releasing excess nutrients into lake Naivasha by the nearby flowers farms?1/11/2021 What are the effects of releasing excess nutrients into lake Naivasha by the nearby flowers farms? (3mks)
a) State the function of Juvenile hormone in insect metamorphosis (1mk)
leads to the formation of larval utricle;
b) (i) Give a reason why most insects are serious crop pests at the larval stage (1mk)
Growth rate in rapid/fast/high and shed cuticle several times hence feed a lot to have (desired) energy;
(ii) What happens at growth phase in insects growth curve (1mk)
State two physiological mechanisms of controlling the human body temperatures during a hot day1/11/2021 (a) State two physiological mechanisms of controlling the human body temperatures during a hot day (2mks)
b) Name two ways in which loop of Henle is adapted to its function (2mks)
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