The greatest influence on a stable ecosystem in nature is...
The greatest influence on a stable ecosystem in nature is exerted by
man
pollution
animals
rainfall
Correct answer is A
No explanation has been provided for this answer.
In humans, sex is determined by ...
During fertilization, the direction in which the pollen tube grows is controlled by ...
The correct route for a piece of bread eaten by a mammal is ...
The vitamin that is important in the formation of the retina pigment is ...
Which of the following is an example of a microorganism in action as a disease vector? ...
The process whereby poisonous compounds are made harmless in the liver is called ...
In H, the cotyledons are carried above the soil because ...
Which of the following statements is not correct about food chains? ...
Lamarck's evolution theory could be summarised by the statement that ...