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Seasonal and perennial allergy...

Seasonal and perennial allergy

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Explore conceptually related problems

Differentiate between seasonal and perennial allergies. Give two examples of each.

Give an example of a seasonal allergy and a perennial allergy.

Hay fever is a perennial allergy.

Allergies caused by dust are perennial allergies.

The main difference between biennials and perennials is that the perennials

What are essential differences between annuals, biennials and perennials?

The best way to prevent an allergy is to .

A:Plants which live for many years are called perennials. R:Perennials which produce flowers and seeds only once during their life span are called monocarpic plants.

Allergens that cause seasonal allergies are mostly:

Annual rings in perennial trees of dicots are not well distinguished in