Answer:
d.
Explanation:
i just assume beacuse dna is everywhere.
By definition, animal cells have no cell wall -- only plant cells do. That being said, the major function of the cell wall in plant cells is to control cell pressure<span> due to …the influx and exit of water into and out of the cell. hope that helped</span>
Answer: The blue whale is the heaviest animal ever known to have existed.
...
Heaviest living animals.
Rank 1
Animal Blue whale
Average mass [tonnes] 110
Maximum mass [tonnes] 190
Average total length [m (ft)] 24 (79)
HOPE THIS HELPS
the simplest answer would be it makes a ecosystem more stable. you also have more variety witch helps incase a promblem occurs
