The name for the total amount of living matter is biomass. Hopefully this helps :)
It began 3.5 billion years ago
Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
Hope it helps
Answer:
The ecosystem would be forced to radically change, allowing new and possibly invasive species to populate the habitat.
Explanation:
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.
I HoPe ThIs HeLpS!!!!!