Environmental Science
Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for

Pollution
Biodiversity loss
Ecological succession
Population exploitation
Migration

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Environmental Science
Which of the following statements regarding species interdependence are true? A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis

B and C only
C and D only
B and D only
A and B only
A and C only

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Environmental Science
Fungi is/are

heterotrophic eukaryotes
Phototrophic eukaryotes
Eukaryotes single-celled and primitive multi-celled organisms
single-celled prokaryotes

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Environmental Science
Our seasons are caused by:

The changing distance between the earth and the sun
The length of the daylight hours
The angle at which sunlight reaches the earth
Only (b) and (c) are correct
All of these

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