Ionizing radiation, for example X-rays, gamma rays and alpha particles
Terrestrial ecosystems (tetrapods)
The answer is a beaker.
~ThePirc
Answer:
HeLa cells, like many tumours, have error-filled genomes, with one or more copies of many chromosomes: a normal cell contains 46 chromosomes whereas HeLa cells contain 76 to 80 (ref) total chromosomes, some of which are heavily mutated (22-25), per cell.
Explanation:
This is false-- Primary producers are near the base of the pyramid because they get their energy right from the sun.
I hope this helps :)
