Answer:
Animals making the territory with example Lion, Tiger, hyena among others
Explanation:
Animals marks their territory through secretion of pheromones, some makes sound, it is a form of behavioral act that allows to protect ones territory or boundary
They attach to the membrane at specific receptor sites. Once attached the virus injects its DNA or RNA into the cell. Enveloped viruses are enclosed in a membrane similar to that of the host cell. The virus and the envelope fuse and the virus enters the cell through endocytosis. To make it easier viruses hijack a cell then they inject their genetic material into the cell and try to take over then it uses the cell to make more
For questions four plants make their own food which is oxygen gas. This oxygen gas, is an important part of the air, the gas that plants and animals must live on. When people breathe, it is oxygen that we take out of the air to keep our cells and bodies alive.
Oxygen did.....filling up space
C)
Explanation:
They are not able to synthesise their own food