About 160 years. After Charles Darwin came out with his theory people have been debating it.
A unicellular or single celled organism is the term for organisms composed of only one cell.
I hope this helped!
Answer:
Biodiversity is a variation of organisms (plants, animals and bacteria) in the world or a specific habitat. Biodiversity helps to keep an ecosystem healthy because there is more variation of food and different organisms can rely on each other for survival. Also it offers a larger more reliable food chain and if one species is suddenly wiped out, it won't impact the ecosystem as much as it would if the biodiversity was smaller.
Explanation:
For me i’ll say the answer is A bit i might be wrong so do what’s best for you