Fire Coral Brain Coral Moon Jelly Blue Sponge USE THE TREE ABOVE TO ANSWER THE F
ID: 217727 • Letter: F
Question
Fire Coral Brain Coral Moon Jelly Blue Sponge USE THE TREE ABOVE TO ANSWER THE FOLLOWING 2 QUESTIONS 24. Which of the following species could go in the bank marked X a. humans ? b. lungfish c. tunicates d. earthworm e. ALL of the above 25. Which of the following would fit well in the same clade as the corals and jellies? a. hydra d. BOTH A and B b. sea stars e. BOTH A and C c. anemones 26. Which of the following are pairs of protostome "phyla" united by the shared derived characteristic of molting (having to shed an exoskeleton to grow). a. Annelids and Molluscs (e.g, earthworms and snails) b. Nematodes and Arthropods (e.g, C. elegans and fruit flies) c. Echinoderms and Cnidarians (e.g, sea stars and moon jellies) d. NONE of the above e. ALL of the above (A, B and C) 27. Which of the following primates are most closely related to humans rhesus monkeys lemurs b. squirrel monkeys d. A and B are equally closely related to humans A, B and Care all equally closely related to humans.Explanation / Answer
24. Tunicates which belong to phylum chordata can go in the blank. Some species of tunicates have exoskeleton of proteins and carbohydrates. Some are translucent and gelatinous which resemble the jelly fishes.
25. Both hydra and anemones belong to the phylum cnidaria. They are grouped under class anthozoa.
So the correct answer is both a and c.
Sea star belong to the phylum echinodermata.
26. Protostome is referred as development of mouth before development of other end of gut in earlier embryonic development. All invertebrayes except echinoderms, chordates, hemichordates, urochordates belong to this group.
Arthropods have exoskeleton made of chitin. Molting is characteristic feature of arthropods. Nematods undergo molting of outer cuticle in course of development.
Echinoderms are deuterostomes, molluscs do not undergo molting.
Correct answer is b.
27. When we take a look at the phylogenetic tree of primates, the humans and rhesus monkeys and squirrel monkeys belong to the same group simiiformes (infra order) under haplorhini (sub- order) . Lemurs belong to different group stripsirrhini.
So the correct option is d.
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