48 Questions
What is the characteristic feature of a Cyclostomata's mouth?
It has a sucking mouth
How do Cyclostomes carry out respiration?
Through their gill slits
What is the purpose of the caudal fin in a lamprey?
To help with propulsion and steering in the water
What is the habitat of Cyclostomes?
Marine, but migrate to freshwater for spawning
What happens to Cyclostomes after spawning?
They die within a few days
What is Petromyzon an example of?
Lamprey
What is unique about the body of Cyclostomes?
They do not have paired fins
What is the function of the gill slits in Cyclostomes?
Respiration
What is the shape of the mouth in Cyclostomes?
Circular
What is the characteristic of the vertebral column in Cyclostomes?
It is cartilaginous
What is the genus of hagfish, which is an example of Cyclostomata?
Myxine
What happens to the larvae of Cyclostomes after metamorphosis?
They migrate to the ocean
What is the characteristic of the cranium in Cyclostomes?
It is cartilaginous
What is the function of the gill slits in Cyclostomes?
For respiration
What is the typical habitat of Cyclostomes during their adult life?
Marine
What is the characteristic of the body of Cyclostomes?
It is elongated
What is the genus of lamprey, which is an example of Cyclostomata?
Petromyzon
What is unique about the circulatory system of Cyclostomes?
It is closed
What is the primary function of the gill slits in Cyclostomes?
to exchange gases for respiration
Which of the following is a characteristic of the body of Cyclostomes?
being devoid of scales
What is the purpose of Cyclostomes' migration to freshwater?
to spawn
What is the characteristic of the dorsal fin in lampreys?
it has one or two dorsal fins along their back
What is the fate of Cyclostomes after spawning?
they die within a few days
Which of the following is an example of Cyclostomata?
Petromyzon
What is the main function of the gill slits in Cyclostomes?
for respiration
What is unique about the body of Cyclostomes?
they are devoid of scales and paired fins
Where do Cyclostomes typically migrate to for spawning?
freshwater
What is the characteristic of the vertebral column in Cyclostomes?
it is made of cartilage
What is the typical number of dorsal fins in lampreys?
one or two
What happens to the larvae of Cyclostomes after metamorphosis?
they return to the ocean
What is the primary function of the circular mouth in Cyclostomes?
To grasp onto hosts
What is the purpose of the cartilaginous vertebral column in Cyclostomes?
To provide structural support for the body
What is unique about the circulatory system of Cyclostomes?
It is closed
Why do Cyclostomes migrate to freshwater?
To spawn
What is the typical body shape of Cyclostomes?
Elongated
What is the function of the gill slits in Cyclostomes?
To facilitate respiration
What is the primary function of the sucking mouth in Cyclostomes?
To attach to host fishes
What is the characteristic of the body of Cyclostomes that allows them to move efficiently in the water?
The elongated body shape
Which of the following is NOT a characteristic of Cyclostomes?
Presence of scales
What is the purpose of the unique migration pattern of Cyclostomes?
To spawn
What is the significance of the gill slits in Cyclostomes?
They are used for respiration
What is the characteristic of the dorsal fin in lampreys, which is an example of Cyclostomata?
It is typically found in pairs
What is the main reason why Cyclostomes migrate to freshwater?
To spawn
What is the function of the caudal fin in lampreys?
To propel and steer in the water
What is unique about the skeletal system of Cyclostomes?
It is cartilaginous
What is the characteristic of the circulatory system of Cyclostomes?
It is closed
What is the primary function of the gill slits in Cyclostomes?
To facilitate respiration
What is the fate of Cyclostomes after they spawn?
They die within a few days
Study Notes
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
Characteristics of Cyclostomata
- Cyclostomata is a class of Chordata
- All living members of Cyclostomata are ectoparasites
- Cyclostomes have an elongated body
- Cyclostomes have 6-15 pairs of gill slits used for respiration
- Cyclostomes have a circular, sucking mouth without jaws
- Cyclostomes' bodies lack scales and paired fins
- Cyclostomes have a cartilaginous cranium and vertebral column
Physical Characteristics of Lampreys and Hagfish
- Lampreys typically have one or two dorsal fins along their back
- Caudal Fin in lamprey is located at the tail end, helping with propulsion and steering
- Petromyzon is the genus of lamprey, an example of Cyclostomata
- Myxine is the genus of hagfish, an example of Cyclostomata
Life Cycle and Habitat
- Cyclostomes are marine, but migrate to freshwater for spawning
- Cyclostomes die within a few days after spawning
- Cyclostomes' larvae return to the ocean after metamorphosis
This quiz covers the characteristics and features of Cyclostomata, a class of Chordata that includes ectoparasites that live on fish. Learn about their bodies, respiration, and other unique features.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
