Cards in this guide (11)
Is the planaria digestive tract complete or incomplete
Planarians have an incomplete digestive tract, one entrance
surving as the mouth and anus.
Types of connective tissue include all of the following except blood bone fat or muscle
Types of connective tissue would include all of these except
blood. This is not a type of connective tissue like bone and
muscle.
What is necessary in order for a mammal to be endothermic
What part does an insect have its nervous system
What feathers are located underneath contour feathers
The majority of feathers on a bird's body are feathers
What is the central cylinder of a feather
This structure branches off from the rachis and is similar to branches in a tree
Which is correct - 'shivering with cold' or 'shivering from cold'
This part of the feather is embedded in the skin of the bird
Choose the best definition for this word halogen