Isogamous condition with non-flagellated gametes in different algae:

There are various types of algae that exhibit the isogamous condition with non-flagellated gametes. Here are some examples:

Volvox:
- Volvox is a colonial green algae that exhibits isogamy with non-flagellated gametes.
- The colonies of Volvox are spherical and contain numerous small flagellated somatic cells and a few large reproductive cells called gonidia.
- The gonidia produce gametes that are isogamous and non-flagellated. The gametes are released from the gonidia and fuse to form a zygote that develops into a new colony.

Fucus:
- Fucus is a brown algae that exhibits isogamy with non-flagellated gametes.
- The reproductive structures of Fucus are called conceptacles, which contain male and female gametes.
- The male gametes are isogamous and non-flagellated, while the female gametes are non-motile and remain attached to the parent plant.
- The male gametes are released from the conceptacles and fuse with the female gametes to form zygotes that develop into new individuals.

Chlamydomonas:
- Chlamydomonas is a unicellular green algae that exhibits isogamy with non-flagellated gametes.
- The gametes of Chlamydomonas are produced by the fusion of two vegetative cells.
- The gametes are isogamous and non-flagellated. They fuse to form a zygote that develops into a new individual.

Spirogyra:
- Spirogyra is a filamentous green algae that exhibits isogamy with non-flagellated gametes.
- The gametes of Spirogyra are produced by the conjugation of two filaments.
- The gametes are isogamous and non-flagellated. They fuse to form a zygote that develops into a new filament.

In conclusion, isogamous condition with non-flagellated gametes is found in various types of algae, including Volvox, Fucus, Chlamydomonas, and Spirogyra.