What is the science definition of compound?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which statement describe events that occur during interphase?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present