by: kim.. 1. all living things are made from the basic chemical ingredients. -dogs like other...
TRANSCRIPT
1. All living things are made from the basic chemical ingredients.
-Dogs like other organisms are made up of what we call DNA. -DNA is what makes the dog have a certain eye color and be a certain size.-There are lots of different breeds of dogs because not all their DNA is lined up the same.
Adenine Thymine Cytosine Guanine
What DNA is made up of:
2. Living things are composed of cells. Cells are the basic structural units of life.
-Dogs of course like every other living thing are made up of cells.-Cells form the tissues and the muscle. Then the tissue goes and forms the organs which dogs need to survive. Ex. Heart , Lungs , Intestines.
3. Living things require water, and a source of energy.
-Dogs need to water to stay hydrated , it helps regulate their body temperature, and it helps their digestive system work properly.-The food they eat is usually very high in protein to help build muscles.
4. Living things have the ability to reproduce.
-Dogs can reproduce.-Female dogs have heat cycles. This means they can only be bred about three times a year.-The amount of puppies per litter depends on the type and size of the dog.
5. Living things all have a life span and will die.
-The life span of a dog depends on what species they are.-Often dogs do not live out their full life span because of disease and sickness.-There are lots of diseases that dogs can catch that are very contagious.
• Distemper, which affects the respiratory and the nervous system. • Parvo, affects the bowels. • Hepatitis, which like in humans affects the liver.
6. Living things respond to their surroundings.
-How dogs demonstrate homeostasis depends on the breed.-For example , Golden retrievers. In the fall they start growing a coat of very long and shaggy hair , this is too protect them from the cold in winter. Than when spring comes around they shed their hair so they can be comfortable in the warm weather of summer.-Dogs also pant when they are hot , and are trying to regulate their body temperature.
7. Living things have the ability to move.
-Dogs have the ability to run very fast , and tire slowly.-The amount of exercise a dog needs to stay healthy , depends on the breed of dog.-Dogs are amount used as hunting dogs , or tracking dogs so they are designed to move.
8. Living things have the ability to repair injuries.
-Dogs often lick their wounds to speed up healing.-But they can get Lick granuloma from excessive licking.-Many cultures believe that a dogs saliva has healing abilities, but this is just because oral wounds heal faster than skin outside the mouth.
9. Living things can undergo change over time.
-Adaption's are modifications that make an organism suited to its way of life.-Dogs grow long hair when its cold , and shed it when the weather gets warmer.-Dogs also have toe pads to protect their feet from rough surfaces.-Some dogs also have water repellent fur for swimming.-Each breed of dog was intentionally bred for some purpose or task.
http://voices.yahoo.com/10-dog-diseases-common-all-dog-breeds-5787772.html
http://en.wikipedia.org/wiki/Dog
http://wiki.answers.com/Q/What_adaptations_do_Dogs_have_that_keep_them_cool
http://wiki.answers.com/Q/What_are_some_unique_characteristics_of_dogs
http://answers.yahoo.com/question/index?qid=20080310160255AAxSTq4
http://www.examiner.com/article/dog-breeds-unique-traits-and-fun-trivia