EVERYDAY SCIENCE

Detailed explanation-1: -Final answer: Spirogyra shows isogamy with non-flagellated gametes.

Detailed explanation-2: -Spirogyra produces non-flagellated male gamete during conjugation, where entire cell content functions as gamete. The isogamy with non-flagellated gametes is found in Spirogyra. Spirogyra is commonly known as water silk. They reproduce by both means sexual as well as sexual.

Detailed explanation-3: -Therefore, the correct answer is “spirogyra".

Detailed explanation-4: -Final answer: In spirogyra, isogamous conditions with non-flagellated gametes are found.

Detailed explanation-5: -Explaination:-Gametes in Spirogyra are non-motile, and sexual reproduction occurs by conjugation.