Answer:
Many scientists think that archaea evolved before bacteria, but there is disagreement on this point. The domain Eukarya contains four kingdoms: Protista (protists), Fungi, Plantae (plants), and Animalia (animals).
Explanation:
In fact, most scientists no longer use the terms "eubacteria" and "archaebacteria."
Heterocyst-forming cyanobacteria differentiate highly specialized cells to provide fixed nitrogen to the vegetative cells in a filament. In the presence of a source of combined nitrogen such as nitrate or ammonium, Anabaena PCC 7120 grows as long filaments containing hundreds of photosynthetic vegetative cells.
Answer:
I want to say it is the middle layer. But not 100% sure. Sorry if its wrong.
The answer to this question is:
A. Haploid
Answer:
An electromagnetic wave is a wave that can travel through empty space and through matter.
Explanation: