Answer:
C. their gametes do not require water for fertilization to occur.
Explanation:
Seed bearing plants are plants that produce seeds. The gametes of seed-bearing plants do no depend on water for fertilization. Fertilization could occur through the transfer of pollen from the male gametophtye to the female gametophyte through animals or wind.
Unlike other plant types like the bryophytes, they rely on water for fertilization. They so have xylem and phloem as well as other plants. They also have stems,roots and leaves like other plants.
Answer -
RNA - Stands for (ribonucleic acid)
The difference between RNA and DNA is difference in sugar and the make up of the back bone. For example in DNA it has deoxyribose (hint) why its called deoxyribonucleic which is one less O2 then ribose.
In addition they have different back bones in which are in
DNA its adenine, guanine, cytosine, thymine.
RNA its adenine, guanine, cytosine, uracil.
Can make a big difference trust me with those compounds.
The plasma membrane of the sea urchin egg has receptor molecules that are specific for binding acrosomal proteins .
<h3>What is plasma membrane ?</h3>
Plasma membrane is the outermost covering of the body which selectively permits the entry and exit of different type of materials .
Thus ,it is also called as selectively permeable membrane.it also separates the inner and outer environment of the cell .
It also helps in the diffusion process .
<h3>What are sea urchins ?</h3>
Sea urchins belongs to the animalia kingdom , Echinodermata Phylum, and Echinoidea class . they are small marine animals .Sea urchins are spiny , globular .
Learn more about sea urchins here :
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The answer to your question is letter A