I think b, because it’s the time that the isotope takes to fall to half of its original value
In the ecosystems of the world, there are many evolutionary finds that scientist have been exploring for centuries. In the marine ecosystem, plankton are a form of microevolution. They also migrate, known as vertical migration. This can affect the ecosystem in that during this migration, the heterotrophs consume various micro-organisms.
Answer:
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:
Answer:
Viruses can adapt to their environment, just as living things do
Explanation:
Sorry there's just one that's all I could come up with, however if I had to guess for no.2 I would say that they can reproduce but viruses can only reproduce with a host. Not on their own