Which of the following substances when lost from the body of a mammal will not be returned to the ecosystem? Posted on:
Use the information on capture-recapture method to calculate the total number of organisms in a habitat. Posted on:
A purple colour was obtained when sodium hydroxide solution and a drop of copper sulphate solution were added to a food substance. The food substance is likely to be a Posted on:
The removal of all the phloem tissues of the stem of a plant close to the root system for a long period of time is likely to Posted on:
