Clams filter-feed and concentrate the dilute pollutants from the water, thus acting as early warning indicators of severe pollution.
Clams are prone to be polluted in the outlets along the seashore or near-shore coastal waters rather than the open ocean. They are efficient biological indicators of pollution by successfully filtering pollutants. It serves a water-based pollutant spotter as it absorbs the pollutants in its tissues.
Answer:
IGCSE**
u can just go through the book
Answer:
Oxygen is formed along with glucose during photosynthesis, is the correct statement.
Explanation:
In photosynthesis, carbondioxode entered from the air through small opening called stomata and water is absorbed from the soil. When these two raw materials combine together in the presence of sunlight produces glucose and oxygen. Glucose is stored in the body parts of plants and oxygen is used for respiration and extra oxygen is released in the atmosphere.
Hot because ive seen them in frezzing temps