Answer:
A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
Explanation:
A cell wall is a rigid, semi-permeable protective layer in some cell types. This outer covering is positioned next to the cell membrane (plasma membrane) in most plant cells, fungi, bacteria, algae, and some archaea.
Answer:
E. Population - community - ecosystem - biosphere
Explanation:
Population is the set of organisms of the same species
Community is where organisms of different species live and communicate together
ecosystem is a biological system where ocommunities and environment are present.
Biosphere is where all ecosystem are present. (let´s say, the earth)
a)121 million gigatons or 121 million billion metric tons" of carbon).
B)The ocean, with around 38,000 gigatons
c)60 gigatons of carbon
Answer:
A
Explanation:
they mostly hit near shore lines