Question

Hola mate ❤❤

What is heterospory ? Briefly comment on it's significance , Give two examples.

❌No spam ❌

follow me ❤❤​

Answer 1

Ǫ) ᴡʜᴀᴛ ɪs ʜᴇᴛᴇʀᴏsᴘᴏʀʏ?

Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants.

ɪᴛs sɪɢɴɪғɪᴄᴀɴᴄᴇ:-

The phenomenon of heterospory lead to the reduction of gametophyte, in situ germination of spores, retention of megagametophyte in the megasporangia and finally to the seed development.

ᴇxᴀᴍᴘʟᴇs:-

Examples of heterospory are Selaginella, Salvinia and Marsilea, etc.

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜʜ..❤

Answer 2

Answer:

The phenomenon of producing two different kinds of spores in the same plant is known as heterospory.

Significance of heterospory:

• Heterospory leads to the development of seeds in gymnosperms and angiosperms.

• It is required in the differentiation of male and female gametophytes.

Examples: Salvinia, Selaginella