I
II
III
IV
V
Correct answer is C
No explanation has been provided for this answer.
Which of the following constitutes the main internal tissue of a leaf?
Cuticle
Mesophyll
Vascular tissue
Lower epidermis
Upper epidermis
Correct answer is B
No explanation has been provided for this answer.
The property of clay soil that prevents it from supporting thick vegetation is its
possession of chemically weathered granite rocks
inability to retain much water
tendency of becoming waterlogged
porosity and low water retention ability
high capillary spaces between the soil particles
Correct answer is C
No explanation has been provided for this answer.
Lamarck’s evolution theory can be summarised by one of these statements
only the fittest can survive in a challenging environment
species that are unable to adapt become extinct
new characteristics do not arise in organisms when needed
the changing environment imposes structural, physiological, and behavioural changes in organisms
in a changing and unstable environment, nature rejects the weak
Correct answer is D
No explanation has been provided for this answer.
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by?
migratory birds
pigeons
crickets
winged termites
bees
Correct answer is D
At certain times of the year, termite colonies produce “swarmers”--the winged adults that fly away to form their own colonies.