Answer:
Root hair cells are alive and therefore need energy, which is why root hair cells contain many mitochondria in them. Root hair cells don't contain chloroplasts. Chloroplasts are used by the plant to make food using light energy. Since the roots aren't exposed to any form of light, they have no need for chloroplasts.
A complex chemistry is most related to maintaining a stable internal environment.
Answer:
Its creates air pullution, Burning of fossil fuels produces oxides of carbon, nitrogen, sulphur, etc. that cause acid rain, which affects the soil fertility and water.
Explanation:
Answer:
Two first the sponge can claim are
1. reproduce sexually
2. combine sperm and egg
