I . Glucose is the main energy source for body cells .
Ii . glucose plays a
structural role with its inclusion in carbohydrate additions to proteins .
ii ) Oxygen
I . To burn food for the release of energy stored
Ii . For cellular respiration
5 c) Nastism are nastic movements which are non – directional responses to stimuli ( e. g . temperature , humidity, light irradiance ) , and are usually associated with plants.
( 1 ai) GLUCOSE:
– Energy generation
– It helps in metabolism
( 1 aii )
OXYGEN :
– It helps to oxidize glucose
– it brings about cellular or tissue respiration
( 1 b )
( i ) Aerobic
( ii ) Anaerobic
( 1 c)
( i ) Amoeba – Body surface
( ii ) Tilapea – Gill
( iii ) Adult toad – Lungs
( iv ) Grasshopper – Tracheae
( 1 d )
DRAW THE DIAGRAM OF OPEN STOMA IN A LEAF AND LABEL [ 6 cm – 8 cm long ]
( 3 a)
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system .
( 3 aii )
Abiotic environment are all physical and nonliving chemical factors , such as soil, water , and atmosphere , which influence living organisms.
( 3 bi )
– Temperature
– Salinity
– Flow .
( 3 bii )
– Altitude
– Humidity
– Temperature
( 3 c)
In a simple ecosystem that consists of rabbits and grass . The grass reproduces at a certain rate , and the rabbits randomly wander around the world eating the grass . If a rabbit stumbles across a patch of grass, they will eat it and gain energy . If a rabbit gains enough energy , they will reproduce . Conversely, if a rabbit wanders around too long without finding any grass to eat , they will die .
( 3 d ) DRAW THE PYRAMID
4 ai)
Mendel ‘ s 1 st Law of inheritance States that genes are responsible for the development of the individual and that they are independently transmitted from one generation to another without undergoing ant changechange
4 aii )
i ) It can be use in correcting diseases or with order
ii ) it can be used in agricultural to enhanced crop use
iii ) it can be used to complained two close species to get a unique high bird
iv ) it can be use to determine the cause of a disease and choice a treatment
v ) it can be used in a wide range of plant , animals and micro organisms
4 aiii )
i ) death
ii ) radiation
iii ) mental
4 b )
Evolution is change in the heritable characteristics of biological populations over successive generations
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