Cards in this guide (17)
Approximately half of human body weight is composed of what kind of muscle tissue
Approximately half of the human body weight is composed of
skeletal muscle that is voluntarily controlled. It is also referred
to as striated muscle.
What nervous system initiates internal secretion contraction and absorption
autonomic
peace.love.faith
The Age of Reptiles occurred during the Era
The Age of Reptiles refers to the Mesozoic Era.
What scale is used to rate tornadoes by the amount of damage they cause
The Fujita scale determines the strength of the tornado based on
the severity of the damage it causes. In the U.S. it has been
replaced by the Enhanced Fujita scale.
Only two species of this mammal exist
Which two features of a bird help make it light enough to fly
hollow bones and air sacs :)
(A+ USERS)
What feathers are located underneath contour feathers
The majority of feathers on a bird's body are feathers
The main functions of feathers are
Filoplumes are also known as feathers
Nitrogen is a necessary ingredient of what
Nitrogen is a necessary ingredient of ____.
All the feathers on a bird comprise the
What is the central cylinder of a feather
This structure branches off from the rachis and is similar to branches in a tree
Do all birds have feet that end in claws
This part of the feather is embedded in the skin of the bird
Touch is the result of receptors on the skin that can detect all except
A+ i know the answer and u dont:) look it up somewhere else its
not here -tl