1.

Two students, Unni and Kannan studied inter specific interactions between different species. They made a table assigning a ‘+’ for beneficial interaction, for detrimental and ‘0’ for neutral interaction. Can you help them by naming the interaction between species in different cases ? Write one example for each interaction.Case numberSpecies ASpecies B1.++2.--3.+-4.+0

Answer»

1-Mutualism Eg; Lichen 

2-Competition Eg: Competition for food (Phytoplankton) between Flamingoes and Fishes

3 – Predation Eg: Lion and Deer 

4 – Commensalism

Eg: Epiphyte, Vanda and Mango tree



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