This is the total amount of all living things within a specific area.

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Why does controlling transcription affect prokaryotic gene expression?

Atype of organism that no longer exist on earth is said to be