<span>(According to Reference)
Whereas an onion epidermal cell has a cell wall, a human cheek cell does not. Instead, a semi-permeable membrane surrounds the cytoplasm of the cheek cell. While there are chloroplasts present in onion cells, they are absent in cheek cells. </span>
Answer:
abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
It uses nephridium as the expiratory organ for flat worms
Answer:
C, using a natural predator that kills pests.
Explanation:
Answer:
Tooth enamel is the hardest substance in the body.
This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
