Question

Study of inter-relationships between organisms
and their environment is
(a) ecology (b) ecosystem
(c) phytogeography (d) ethology

Answer 1

Answer:

ethology.............................

Answer 2

The study of inter relationship between organisms and their environment is called as ecology

Explanation:

The term 'Ecology'was coined by Ernst Haeckel is a branch that deals with the study of inter relation between organism and their biophysical environment  that is made up of both biotic (Living organisms) and abiotic factors.(water, energy,soil,solar system,air etc)

Ecosystem is dynamic as it acts as an interacting system of organism and community,non living factors that make up the ecosystem.

Different level of organization of ecosystem are- Diversity, niche,biome, biosphere, community,food web, tropic levels,keystone species etc.