by hillary goins zoology 8 th period n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
By Hillary Goins Zoology 8 th Period PowerPoint Presentation
Download Presentation
By Hillary Goins Zoology 8 th Period

Loading in 2 Seconds...

play fullscreen
1 / 7

By Hillary Goins Zoology 8 th Period - PowerPoint PPT Presentation


  • 83 Views
  • Uploaded on

Mammals. By Hillary Goins Zoology 8 th Period. What Does Hair Mean to Mammals?. Mammals have the ability to maintain a constant body temperature Because mammals are endothermic, they live in almost any environment on Earth

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'By Hillary Goins Zoology 8 th Period' - read


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
by hillary goins zoology 8 th period

Mammals

By Hillary Goins

Zoology

8th Period

slide2

What Does Hair Mean to Mammals?

  • Mammals have the ability to maintain a constant body temperature
  • Because mammals are endothermic, they live in almost any environment on Earth
  • Mammals are the only animals that have hair which is made from keratin
  • Hair keeps mammals warm by retaining body heat
  • Sometimes mammals get too hot so they pant and sweat to cool off
  • Hair is also used for protection, camouflaging, and communication
slide3

How Do Mammals Nurse Their Young?

  • Mammals feed their young by mammary glands which supplies milk that contains minerals, vitamins, sugars, and proteins
  • Besides mammary glands, mammals also include sweat glands, saliva glands, digestive enzymes, and hormones
  • Mammals nurse their young until they are old enough to find food themselves. This time length is different among species.
slide4

Why Do Mammals Need a High Level of Energy?

  • Mammals need energy when they cool and heat their bodies
  • They also use energy to move
  • Mammals keep a high level of energy when large amounts of oxygen enters its body and reaches all the cells
  • The diaphragm helps accomplish this task by expanding and contracting the chest cavity
  • Mammals have a four-chambered heart which separates the oxygenated blood from the deoxygenated blood
slide5

Why Do Mammals Have Different Types of Teeth?

  • Different mammals have different teeth depending on their diets
  • Pointed incisors are used to hold small animals and chisel-like incisors are for gnawing
  • Canines puncture and tear
  • Premolars and molars slice, shear, crush, and grind
  • Hoofed mammals usually eat plants; therefore, they have an adaptation called cud chewing which enables them to break down the cellulose of plant cell walls into nutrients
slide6

What Are Modified Limbs?

  • Modified limbs are arms and legs that are for gathering food
  • Examples: Primates have an opposable thumb for grasping objects such as fruit and other foods; bats have finger bones that support the flight membranes
  • These modified limbs also help[ mammals capture prey and keeps them from becoming prey
slide7

Mammals Can Learn???

  • Mammals guard their young and teach them skills to survive on their on
  • Mammals are able to learn and remember
  • Primates and humans are the most intelligent mammals.
  • Because of complex nervous systems and developed brains, mammals are intelligent
  • Chimpanzees make tools to use to make life easier