Sea stars (starfish) can reproduce asexually by fragmentation if their arms are cut off, or sexually by releasing sperm and eggs into the water. which of these is the major difference between asexual and sexual reproduction in sea stars?
a) the chromosome number is reduced in sea stars during asexual reproduction.
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b) the number of chromosomes is increased in sea stars during sexual reproduction.
c) the appearance of the sea stars is changed as a result of asexual reproduction.
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d) there is genetic variation in the sea stars as a result of sexual reproduction.

How does using straws hurt the sea turtles?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f