Definition

A type of bacteria that helps certain plants, especially legumes, to grow by fixing nitrogen from the air into a form that the plants can use. These bacteria live in nodules on the roots of the plants.

Example

Rhizobium bacteria are essential for the growth of clover and beans because they help the plants absorb nitrogen from the soil.

Conversation

Have you ever heard of rhizobium?

Yeah, I learned about it in biology class; it's fascinating!

Right? It's interesting how they help plants fix nitrogen in the soil.

Exactly! They really play a crucial role in agriculture.

Synonyms & Antonyms

Root Explanation

Rhizobium is derived from the Greek "rhiza" (meaning root) and "bium" (from "bios", meaning life). The term refers to a genus of bacteria that live in symbiosis with the roots of legumes, aiding in nitrogen fixation.

Memory Tip

Think of 'rhiza' meaning 'root' and 'bium' relating to 'life' — this helps you remember that rhizobium refers to bacteria that live in the roots of plants.

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