Ecological interactions

ASWHINI K
ZMCTE,CHERKALA

1. ECOLOGICAL INTERACTIONS ASHWINI K NATURALSCIENCE ZM17EDNS02

2. ECOLOGICAL INTERACTIONS In ecology a biological interaction is the effect that a pair of organisms living together in a community have on each other. They can be either of the same species or of different species.

3. TYPES OF ECOLOGICAL INTERACTION PREDATION PARASITISM COMPETITION MUTUALISM COMMENSALISM

4. PREDATION Beneficial to one but harmful to the other. Prey becomes the food of the predator. Eg: Deer and tiger

5. PARASITISM Beneficial to one and harmful to the other. The parasite depends on the host for nutrition. Eg: Mango tree and loranthus

6. COMPETITION Harmful to both in the beginning. Then beneficial to the one who wins. Eg: Paddy and weeds

7. MUTUALISM Beneficial to both the organisms. Eg: Flower and butterfly

8. COMMENSALISM Beneficial to one and is neither beneficial nor harmful to the other. Eg: Mango tree and vanda

9. REFERENCES BASIC SCIENCE Part 2 standard VIII - Textbook

10. THANK YOU