Population growth rate may be defined as the
mortality rate per unit area over a period
number of times an organism occurs within a given period
number of a particular species per unit area
net rate of natality and mortality in the habitat over a period
Correct answer is D
No explanation has been provided for this answer.
The following habitats can be used in the study of succession except
savanna grassland
abandoned farmland
a pond
a well cultivated land
Correct answer is D
No explanation has been provided for this answer.
Which of the following features is not an adaptation of plants to aquatic habitats?
Breathing roots for air entry
Flowers raised above water for the purpose of pollination
Spongy tissues containing gases for buoyancy
Hairy structures on the leaves to reduce water loss
Correct answer is D
No explanation has been provided for this answer.
Most tropical plants shed their leaves during dry weather conditions in order to
reduce their growth rate
conserve water
reduce competition
minimize the rate of photosynthesis
Correct answer is B
No explanation has been provided for this answer.
which of the following organisms does not show colour adaptation to its environment?
Chameleon
Earthworm
Fish
Toad
Correct answer is B
No explanation has been provided for this answer.