Question

Go to a nearby pond observe organisms living in the pond and bio degradable substances mixing
in water. How they effect on those organisms ? Write your observations​

Answer 1

Answer:

i. In a pond water is fresh and standing or stagnant water. This is usually smaller than a lake and may either be man-made or natural. Pond water contains a variety of plants such as algae, pistia and animals such as protozoa, Hydra, fish, frog, tadpoles, insects. Depending on the pond, students will be able to observe a variety of living things under the microscope.

ii. Bio degradable substances are those which can be degrade or decomposed by certain bacteria and fungi. Bio degradable substances in the ponds include some plant parts such as root, stem, and leaves, body of algae, some dead animals, etc.

iii. These materials decomposed into nutrients which required for growth and development of aquatic life as a whole.