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The DNA molecule forms a double helix.

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DNA has an impact on physical appearance , habits, physical behavior, and genetics. DNA can go as far as 4 billion years and connects you to all your ancestors.

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DNA contains four different bases in the system.

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DNA is two chains of genes

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Even one single piece of DNA makes us different from everything.

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DNA makes up two parts of a kid one part mom and one part dad

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DNA helps people know what they came from in the past and how they look like hair and skin.

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DNA Is half of one parents DNA and half DNA of the others put together and a small mistake of copying can be a big deal

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DNA Shows what your most comon relitives are

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DNA is blood that makes a person look like what they look like.

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DNA can help show our family tree

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saliva, hair, blood, ect.?

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an unborn or a unattached offspring in the process of developing

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DNA is genes from your parents and other people in your family together. You get 50% from your dad and 50% from your mom

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an unborn creature that is growing in the mother

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DNA is family genes passed down from generation after generation and the chuld get 50% of the mom and 50% of the dad

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early stage of development of babies in females that help develop the baby when it is not born yet

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Before the 8 week mark, the embryos only show female characteristics.

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they are usually over 10,000 years old

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Structures that were used in the past but are not important now

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fossils are a part of a fish or and Dino when something dies it gets pushed under the water and starts to fossilsed

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Human Embryos have tails and gills within the first few weeks of development, but the cells stop developing.

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Embryo cells act as stem cells up to the age of 6 days and have the ability to form any part of the body.

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The first exsidence of an animal being born

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a animal that has lost something or no longer needs in its body or lost their original function throughout evolution

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things that were used in an species that are no longer needed

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An embryo is a start of the growth of a living being.

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An unborn organism

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An unborn baby

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Structures that we dont have anymore?

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2 types of fossils

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An animal or a species that had something that no longer has that structure modern day. A snake has used to had arms and legs for when it used to walk on four limbs.

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A vestigial structure is something once used that was left over from evolution. For example a dogs dew claw, they dont use this anymore, they used to use it for helping grasp thing sbut now we give them bowls we feed them in.

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the development of a baby

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a part we once used that now we dont

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Parts of an organism that now no longer need to be used

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Structures that were used at one point but because of the changes in the environment they are no longer of use. For example a penguin has an elbow bone but does not use it.

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A organism that has yet to come

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similar or a related organism passed down or inherited through a common ancestor

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when a human or an animal dies the hard parts get left behind and there are two types of fossils one

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Are the hard parts or cast of an animal also has to be over 10,000 years old

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A organ that is no longer needed in a mammal and that evovled in time. like how a penguins ancestor used to fly but now they dont.

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A vegstigial structure is a structure of bones that are not in use anymore, and they are evolving away.

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Vegistal organs of the body which are smaller and simpler than those in related species.

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Structures that are the same as their common ancestor

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Alike

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Homologous Structures developed in species from a common ancestor.

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organs of bones that show what are comon ansester is

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AN organism that is not needed anymore because they have been lost through evolution.

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prehistoric remains of organisms whose original materials has been completely replaced by stone materials

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DNA is what creates us and our genes for example hair, eyes, skin color, etc, we get 50% from our mom and 50% from our dad.

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Prehistoric remains of an organism from more than 10,000 years ago.

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Fossils are something that came from organisms and had to be at least 300,000 years old to be a fossil, they also turn to stone.

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Homologous Structures are organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor.

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A preserved prehistoric remain of an organism that no longer are living.

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the ancient bones and in prints of non living creators

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Fossils are usually founded for species that no longer are living on earth.

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there are two types of fossils one is called body fossils and the other one is called shark teeth and dinosarus

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Embryos are unborn babys in a mothers womb. The embryos are not developed yet.

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A organ that shows connection to an ancestor

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DNA is the shared code of life and can show how related two species are.

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An organism that has not developed yet.

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Homologous structers are structures that have a similar setup in bones or body parts, like the whale and humans. Whales and humans both have a similar bone structure in hands.

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Fossils are remains from an animal that already died. The kinds of fossils found in rocks of different ages differ because of life on earth

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A vestigial structure is an organ or bone that an organism has but no longer needs.

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A structure that is no longer need. Like A declaw on a dog some vestigial structures can also be dangerous.

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Fossils are parts of an organism that lived a long time ago.

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A homologous structure is a organ or bones that are similar and connect to their common ancestor.

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DNA is when you get 50% percent of your blood from your dad and 50% percent from your mom

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Fossils have to be 10,000 years old for it to a fossil

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The embryo is very strong evidence of evolution, it shows that we came from an aquatic species because we have gill slits and webbed feet in the womb.

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A baby in the prosses

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Fossils are no longer living organisms that have been fossilized for 10 thousand years or more.

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Fossils are very old bones that are erodeing away.

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A bone or organ that looks alike to the bone or organ of an ancestor.

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Prehistoric remains of organisms where original material has been completely replaced by stone materials that have to be ATLEAST 10,000 years old to be a fossil.

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showing how an organism or bone matches another and shows relations.

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shows how different items on earth were created back then and how they were found.