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Birds

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Tiana VonRueden

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Cards in this guide (15)
Can the pituitary gland function without the hypothalamus

No, because the hypothalamus manufactures the hormones for the posterior pituitary gland and it sends the instructions for the anterior pituitary gland to produce hormones.

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 In the U.S. it has been replaced by the Enhanced Fujita scale.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

elephant

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

Down feathers

The majority of feathers on a bird's body are feathers

contour

The main functions of feathers are

Flight and Insulation

Filoplumes are also known as feathers

pin

Nitrogen is a necessary ingredient of what

Nitrogen is a necessary ingredient of ____.

All the feathers on a bird comprise the

plumage

What is the central cylinder of a feather

rachis

This structure branches off from the rachis and is similar to branches in a tree

barb

Do all birds have feet that end in claws

true

Which is correct - 'shivering with cold' or 'shivering from cold'
This part of the feather is embedded in the skin of the bird

quill

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