The larval stage of an animal is best defined as:
A) Immature stage that is able to reproduce.
B) Early colony of cells of fresh-water sponges.
C) Early stage of development of an organism,typically part of the plankton.
D) Sperm cell that lives free in the water.
E) Egg that has been fertilized by more that one sperm.
Correct Answer:
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Q7: The development of bilateral symmetry in invertebrates
Q8: One group of parasites of fishes,seabirds,and other
Q9: All sponges share only one of these
Q10: An example of an anthozoan is:
A)Portuguese-Man-of War.
B)Colonial
Q11: Comb jellies are:
A)Bilaterally symmetrical.
B)Similar to a cnidarian
Q13: Which of the following is not correctly
Q14: Deposit-feeding animals feed on:
A)Blood and living tissues.
B)Particulate
Q15: The most distinctive feature of ribbon worms
Q16: Animals,all members of the kingdom Animalia,are characterized
Q17: Free-floating cnidarians like jellyfish are referred to
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