Name kingdom that Chordata is classified with?
What is kingdom Animalia?
Many amphibians spend their adulthood on this and return here to reproduce.
Why is land and water essential for survival of an amphibian?
Name the five classes that are associated with the phylum Chordata.
What are Fish, Amphibian, Reptile, Birds, and Mammals classified under?
Fish reproduce using this type of sexual reproduction.
What is oviparous and external fertilization?
Chordates have pouches in their throat area and are know as this.
What are pharyngeal pouches?
Alimentary canal, urinary and reproductive tracts
open into a common chamber
What is cloaca?
Covered by dry and cornified skin, epidermal scales or scutes
What are the body features in reptiles?
Give three examples under class chondrichthyes.
Torpedo, Trygon, Scoliodon, Pristis, Carcharodon
6-15 pairs of gill slits, have sucking and circular mouth without jaws.
What are characteristics of cyclostomes?
This is the term for an animal whose body does not produce internal heat. Also name one class of animals.
What is poikilotherm and examples include fish, amphibians and reptiles?
Mammals have these three characteristics for maintaining body temperature.
Who has mammary glands and body covered with hair?
These fishes have air bladder and 4 pairs of gills covered by operculum.
What are characteristics of bony fish?
This represents the ear in amphibians.
What is tympanum?
Endoskeleton is fully ossified (bony) and the long bones are hollow with air cavities (pneumatic).
What are the adaptations in birds that help them in flight?