1.  How is the Earth's population changing? 2.  How many people are currently living on Earth?

3. What are some reasons why the population of the world increased so dramatically? Use examples.
4. Describe what you might find in a rural area.

5. Describe what you might find in a urban area.​

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp