I donot know but i think it is white blood cell
<span>A light year refers to a very big amount of distance and is a measurement termed as an astronomical unit of measure. When you say that a galaxy is 5,000 light years away we are actually describing the speed of light within a year. One light year is actually equivalent to 9, 500, 000, 000, 000 kilometers. Just imagine how big or how far that galaxy is when you multiply those kilometers by 5,000?</span>
Just to add on over time they have develiped a tuff outer layer to stop weather and insects from harming them.
The answer is letter C. That spontaneous generation didn't happe
Rudolf Virchow tried to prove that whatever cells existed had to come from pre-existing ones.
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An autotrophic organism that serves as a source of food for other organisms in a food chain. Producers include green plants, which produce food through photosynthesis, and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis.
