In scientific inquiry, observations can be made in many ways. This includes by using the senses, or performing an experiment.
Euglena are like all other cells because they<span> grow and reproduce. They obtain nutrients by taking in other microorganisms an make their own food by using the energy from sunlight.</span>
Human Immunodeficiency Virus -- this is HIV, the virus that causes AIDS.
Flu viruses. There are lots of different strains of flu virus, which is why new vaccines have to be made every year.
Cold virus. The common cold is caused by a virus.
A non renewable resource wouldn't replenish naturally like, oil.
A renewable resource is something that can replenish naturally, like wood or wool.
