All fish breathe with
What are gills
Frogs breathe through
What are lungs and their skin
Reptiles have ________ skin
What is dry and scaly?
Birds have a _____ chambered heart and are_____
(referring to temperature)
What is 4 and endotherms?
Mammals have a ________ chambered heart and are
______________(refers to body temperature)
What is 4 and endotherms
A fish's body is covered with
What are scales?
Amphibians have a _______ chambered heart
What is 3
________ are a group of reptiles that you won't find in water.
What are lizards?
Birds have _____________ fertilization
What is internal?
The phylum and subphylum for mammals are
What is phylum chordata, subphylum vertebrata?
Fish can raise or lower themselves in the water using their
What is a swim bladder
An organism who's health reflects the overall health of the environment is known as
What are biological indicators
The 4 major groupings of reptiles are
What are snakes, lizards, crocodilians, and turtles
2 ways that birds protect themselves are
What are their beaks and claws
The group of mammals that carry their babies in pouches are
What are marsupials
Bony fish make up ________% of all fish
What is 95%
The structures on a frog's head which allow it to hear are called
What are tympanic membranes
In winter some reptiles __________ and in the heat of summer they ____________
What are hibernate and estivate?
Birds are believed to have descended from
What are dinosaurs
The 2 traits that are unique to mammals are
What are milk glands to feed their young and hair or fur.
The scientific names for the 3 groups of fish are
What are Agnatha, Chondrichthyes, and Osteochthyes
Amphibians ____________ during the winter and ________ during the hot summer months
What is hibernate and estivate
Reptiles were the first group of animals to be able to reproduce on land because they produce
What are amniotic eggs?
2 characteristics that make birds unique are that they have
Hollow bones and feathers
The 3 major groupings of mammals are
What are Marsupials, Monotremes, and Placentals