Trees in Savanna habitats usually have thick bark which mainly
Reduces the rate of transpiration
Protects them from the scorching sun
Protects them from heavy winds
Resists bush fires
Correct answer is A
Rate of transpiration is reduced in savannah forest due to thick barks of the trees in savannah forest.
Which of the following substances pass through the root cell membrane by osmosis?
Cell sap
Carbon dioxide
Oxygen
Water
Correct answer is D
Water passes through the root cell membrane of plants in order for osmosis to take place.
Rabbits cannot survive in an aquatic habitat because they have
fore and hind limbs
no gills
no fins
no scales
Correct answer is B
Rabbits do not have the adaptive features of an aquatic habitat like gills, therefore, it cannot survive in an aquatic habitat.
The specific portion of a habitat occupied by a particular species is referred to as
Ecological population
Ecological niche
Biotic community
Ecosystem
Correct answer is B
Ecological niche refers to the specific portion of a habitat which is occupied by a particular species or organism. It is the functional position of an organism within the community.
Specification
Inorganic Evolution
Evolution
Organic Evolution
Correct answer is D
Organic evolution is the sum total of adaptive changes from pre-existing or old forms that have taken place over a long time resulting in diversity of forms, structures, and functions among organisms.