Chordata and Intro to fishes

Multiple Choice

Which subphylum do 96% of chordates belong to?

• Urochordata

• Cephalochordata

• Vertebrata

• Hemichordata

Multiple Choice

Which of the following statements about tunicates is correct?

• Adult tunicates have a notochord.

• Tunicates are filter-feeders and adults are sessile.

• Tunicates are commonly called lancelets.

• Tunicates have a definite head region.

Multiple Choice

Sub phylum cephalochordata includes which of the following?

• Mammals
• Echinoderms
• Lancelets
• Tunicates

Multiple Choice

Which of the following filters food from water that then enters the mouth?

• Mammals
• Echinoderms
• Lancelets
• Tunicates

Multiple Choice

The notochord, dorsal nerve cord, postanal tail and pharyngeal pouches are embryonic chordate characteristics. Who keeps them as adults?

• Lancelets
• Tunicates

Multiple Select

Which organ systems are found in vertebrates? Select all that apply.

• Digestive

• Respiratory

• Nervous

• Photosynthetic

Multiple Choice

Which of the following is NOT one of the three main classes of vertebrate fishes?

• Agnatha

• Chondrichthyes

• Osteichthyes

• Amphibia

Multiple Select

Which of the following are adaptations that help fishes survive in water?

• Swim bladder for buoyancy

• Streamlined shape for swimming

• Lateral line system for detecting vibrations

• Ability to breathe air

Multiple Choice

Why is the study of chordates significant in understanding animal evolution?

• Because chordates are the only animals with a backbone

• Because chordates provide insight into the development of complex sensory organs and skeletal structures

• Because chordates are the most diverse group of animals

• Because chordates are only found in aquatic environments

Multiple Choice

Which reproductive strategy involves fish developing with some kind of placental attachment to nourish young?

• Ovoviviparous

• Viviparous

• Oviparous

• Dioecious

Multiple Choice

Which of the following is NOT a general characteristic of fish as shown in the diagram?

• Scales

• Mucous Coating

• Wings

• Lateral Line

Multiple Choice

What is the function (job) of fish gills?

• To absorb water from the water
• To make the fish faster
• To make the fish lighter
• To absorb oxygen from the water

Multiple Select

Match the mouth shape of a fish to its feeding habit.

• Upturned - Bottom feeders

• Middle of Head - Surface feeders

• Down turned - Bottom feeders

• Upturned - Surface or plankton feeders

Multiple Choice

Which of the following is a key difference between lampreys and hagfish?

• Lampreys have a highly developed sense of smell, while hagfish do not.

• Hagfish have paired appendages, while lampreys do not.

• Lampreys are bottom dwellers in cold marine waters, while hagfish are found in fresh water.

• Hagfish have a cartilaginous skeleton, while lampreys have a bony skeleton.

Multiple Choice

What are the key characteristics that define a chordate?

• Presence of a notochord, dorsal nerve chord, and pharyngeal pouches at some stage of development

• Presence of scales and fins

• Ability to breathe underwater

• Having a segmented body

Multiple Choice

Class of bony fish.

• osteichthyes

• chondrichthyes

• chordata

• placoderms

Multiple Choice

Class of cartilaginous fish.

• chondrichthyes

• osteichthyes

• vertebrata

• placoderms

Multiple Choice

Term for mode of reproduction in which the mother will lay an egg and the pup is born from that.

• oviparous

• ovoviviparous

• viviparous

• binary fission

Multiple Choice

Term for mode of reproduction in which offspring develop from an egg inside of their mother and then are born.

• ovoviviparous

• viviparous

• oviparous

• spontaneous generation

Multiple Choice

Term for mode of reproduction in which offspring are born alive from their mother.

• viviparous

• oviparous

• ovoviviparous

• hatching

Multiple Choice

Fish such as skates and rays that typically stay at the bottom of the ocean are called?

• benthic

• pelagic

• catadromous

• anadromous

Multiple Choice

A fishes body has this shape to allow them to move rapidly through the water.

• streamlined

• square

• aerodynamic

• round

Multiple Choice

WHICH fish structure enables it to MANEUVER through the water with ease?

• mucus

• tail fin

• paired fins

• operculum