Adaptation... A structure or behavior that increases the chance for survival in an environment.

An Adaptation can be: A body part that helps an organism survive. = (Structural Adaptation) Ex. Camoflage Warning Coloration Mimicry(imitation)

Many animals are browns and grays. Why??

Some fish lay on the sand to camoflage.

Even eggs and babies can be camoflaged.

Sometimes an animal will hi-lite one body part to save another.

Some animals resemble the things they eat.

This harmless moth is a bumblebee mimic.

An Adaptation can be: Something you do that helps you survive=(Behavioral Adaptation). ex. “playing possum”, puffing up when frightened, plants growing to light

A deer will lift its white tail to warn others of danger.

Most animals have ways to cool themselves off.

Phototropism -plants grow to light.

Many animals use threatening behaviors to avoid a fight.

An Adaptation can be: Sometimes adaptations can a combination of structures and behaviors. ex. skunk spray or shivering in humans when cold

Plants have adaptations, too. Stinging Nettles

Spiders produce a web by secreting a sticky fluid.

The harvestman spiders can secrete poison chemicals and even detach their legs that wiggle to distract the predator.

Adaptations allow a species to survive a changing environment Adaptations allow a species to survive a changing environment. If the changes become too great, the species may become extinct(species gone).

Species- a group of organisms that can naturally reproduce with each other.

Variation- normal differences within a species.

Members of a species may also be born with a ... Mutation- an abnormal genetic change

Sometimes those variations and mutations are an adaptation and allow the individual to survive.

The surviving individual(s) usually reproduce others like them.

Those individuals without the mutation tend to die off.

Over a very long period of time, the entire species can change to have the adapted mutation.

Explain Evolution!! ???

A British naturalist by the name of Charles Darwin 1859 ...And the winner is: A British naturalist by the name of Charles Darwin

Charles Darwin’s theory of Natural Selection Adaptations are created by genetic mutation, and those “good mutations” are then passed on to offspring causing a species to gradually change.