Question

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Question 25 1 points The ancestor of land plants is thought to be related to charophytes, a type of green algae. Why might it be advantageous for charophytes to undergo sexual reproduction? a. Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction, b. Sexual reproduction produces larger numbers of offspring in less time. c. They are multicellular when conditions are unfavorable, which favors sexual reproduction d. Sexual reproduction produces multicellular algae instead of unicellular algae. Multicellular algae are better able to survive harsh conditions. Oe. Sexual reproduction produces offspring that have greater genetic variety and durable zygotes that can help these green algae survive unfavorable conditions,

Answer 1

Question 25

Ans : Option a

$\odot$ Charophytes, like land plants, have plasmodesmata, which need to be generated by sexual reproduction.

Ans :  The charophytes and the land plants have plasmodesmata, or intercellular channels that allow the transfer of materials from cell to cell. They produce the compounds lignin and sporopollenin, and form plasmodesmata that connect the cytoplasm of adjacent cells. This is because gametes are produced mitotically, with meiosis taking place only after fertilization to give rise to the haploid thallus.