BIODIVERSITY UNIT IV FINAL EXAM BROOKS FAU
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
Organisms in Phylum Annelida are distinguishable by their _________ bodies.
ANSWER
segmented
Question 2.
The worm-like shape found in Annelids is known as __________.
ANSWER
Vermiform
Question 3.
Annelids have the best ________ in the world. Why is this?
ANSWER
Coelom, because they have a coelom in each individual segment.
Question 4.
Each segment found in Annelids contains ________ & ________
ANSWER
Metanephridia [kidneys], hearts
Question 5.
Because the segments of Annelids look the same, they are described as displaying
ANSWER
Homonomous metamerism
Question 6.
Metameres are
ANSWER
segments found in Annelids
1
,Question 7.
Annelids have which two types of muscles? This distinguishes them from which other phylum?
ANSWER
Longitudinal and Circular; Nematoda [only has longitudinal]; allows earthworms to crawl instead of
just thrash
Question 8.
Annelid blood has ________ and can be which two colors?
ANSWER
Hemoglobin, green or red
Question 9.
Trocophore Larvae
ANSWER
Found in both annelids and mollusks; suggests link between the two phyla.
Question 10.
tem do annelids have? What is unique about their hearts?
ANSWER
Closed; first heart that is very similar to human heart
Question 11.
Parapodia
ANSWER
fleshy extensions found in annelids; used for locomotions and are living
Question 12.
Setae
ANSWER
secretions in annelids that function for locomotion; not alive and are made of chiton
Question 13.
Class Oligochaeta is commonly known as the _________
ANSWER
Earthworm
2
,Question 14.
Oligochaetes have a _______ head
ANSWER
undifferentiated/poorly developed head; do not need vision
Question 15.
Describe Class Oligochaete reproduction
ANSWER
are typically monoecious/hermaphroditic; pair up anti parallel; fertilization occurs in the clitellum and
once fertilized they slip clitellum off and it serves as a cocoon for developing embryos
Question 16.
Oligochaete epidermis needs to remain ________
ANSWER
moist for respiration
Question 17.
Respiration in Oligochaetes occurs through
ANSWER
diffusion in the epidermis
Question 18.
Oligochaetes can get up to________ long
ANSWER
2 meters
Question 19.
Class Polychaeta is found in which phylum
ANSWER
Annelida
Question 20.
Polychaetes have a _________ head and __________setae
ANSWER
well-developed head with eyes, jaws, tentacles and parapodia; many-setae
3
, Question 21.
Polychaetes create_______ and _____ _______
ANSWER
Tubes and feathery structures
Question 22.
Polychaete tubes have what in common with Gastropods?
ANSWER
operculum
Question 23.
Polychaetes include
ANSWER
Palolo worms, Christmas tree worm, fire worms
Question 24.
Palolo Worms
ANSWER
Polychaete that somehow communicates for reproduction, have massive orgy [proglottids hold
reproductive material]; some think they are aphrodesiacs
Question 25.
Class Hirudinea is in which Phylum
ANSWER
Annelida
4
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
Organisms in Phylum Annelida are distinguishable by their _________ bodies.
ANSWER
segmented
Question 2.
The worm-like shape found in Annelids is known as __________.
ANSWER
Vermiform
Question 3.
Annelids have the best ________ in the world. Why is this?
ANSWER
Coelom, because they have a coelom in each individual segment.
Question 4.
Each segment found in Annelids contains ________ & ________
ANSWER
Metanephridia [kidneys], hearts
Question 5.
Because the segments of Annelids look the same, they are described as displaying
ANSWER
Homonomous metamerism
Question 6.
Metameres are
ANSWER
segments found in Annelids
1
,Question 7.
Annelids have which two types of muscles? This distinguishes them from which other phylum?
ANSWER
Longitudinal and Circular; Nematoda [only has longitudinal]; allows earthworms to crawl instead of
just thrash
Question 8.
Annelid blood has ________ and can be which two colors?
ANSWER
Hemoglobin, green or red
Question 9.
Trocophore Larvae
ANSWER
Found in both annelids and mollusks; suggests link between the two phyla.
Question 10.
tem do annelids have? What is unique about their hearts?
ANSWER
Closed; first heart that is very similar to human heart
Question 11.
Parapodia
ANSWER
fleshy extensions found in annelids; used for locomotions and are living
Question 12.
Setae
ANSWER
secretions in annelids that function for locomotion; not alive and are made of chiton
Question 13.
Class Oligochaeta is commonly known as the _________
ANSWER
Earthworm
2
,Question 14.
Oligochaetes have a _______ head
ANSWER
undifferentiated/poorly developed head; do not need vision
Question 15.
Describe Class Oligochaete reproduction
ANSWER
are typically monoecious/hermaphroditic; pair up anti parallel; fertilization occurs in the clitellum and
once fertilized they slip clitellum off and it serves as a cocoon for developing embryos
Question 16.
Oligochaete epidermis needs to remain ________
ANSWER
moist for respiration
Question 17.
Respiration in Oligochaetes occurs through
ANSWER
diffusion in the epidermis
Question 18.
Oligochaetes can get up to________ long
ANSWER
2 meters
Question 19.
Class Polychaeta is found in which phylum
ANSWER
Annelida
Question 20.
Polychaetes have a _________ head and __________setae
ANSWER
well-developed head with eyes, jaws, tentacles and parapodia; many-setae
3
, Question 21.
Polychaetes create_______ and _____ _______
ANSWER
Tubes and feathery structures
Question 22.
Polychaete tubes have what in common with Gastropods?
ANSWER
operculum
Question 23.
Polychaetes include
ANSWER
Palolo worms, Christmas tree worm, fire worms
Question 24.
Palolo Worms
ANSWER
Polychaete that somehow communicates for reproduction, have massive orgy [proglottids hold
reproductive material]; some think they are aphrodesiacs
Question 25.
Class Hirudinea is in which Phylum
ANSWER
Annelida
4
