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What Is Pond Scum?

Spirogyra is pond scum which is a dense mass of algae, hair-like mats found on the surface of the water.Stay tuned to BYJU’S to learn... View Article

What Are Phytoalexins?

These are chemicals that are produced by tissues of plants responding to the attack by parasites to inhibit the growth of the latter.Stay tuned... View Article