Environmental Science
What is hibernation and aestivation?

none
adaptation of animals to escape from predators
wind adaptation shown by animals
Thermal adaptation shown by animals

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Environmental Science
Which among the following is related to the word Mesoderm ?

Forms blood and bone (leads to complex internal organs)
Binomial system of classification
Anatomically advanced animals having all three germ layers
No membrane-bound organelles, no peptidoglycan in cell walls, introns

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