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djyliett [7]
4 years ago
11

Land plants developed _____ to get the sperm cells to the egg.

Biology
2 answers:
Alik [6]4 years ago
8 0

Answer:

The correct option is the 4. Pollen tube.

Explanation:

When the male gametophyte of seed plants germinates a tubular structure produced which is pollen tube. Pollen tube extension is an important stage in the plant cycle.

They act as duct or tube to move the male gametes from the pollen grain from the stigma in angiosperms to ovules at the end of the pistil or straight through ovule in some of the gymnosperms.

Thus, the correct option is 4. pollen tube

german4 years ago
4 0
Stomata allow for gas exchange on a leaf.

xylem and phloem are tissues that transport water and food throughout the plant.

pollen tubes transport the sperm to the egg.
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