Transcript File

WARM UP # 10/25
1. List the first letter of the 7 levels in order.
2.
Which two levels makes up the scientific name?
3.
Which level is more diverse – Class or Family?
4.
What did we learn about on Friday? (look at the back
agenda board if you forgot)
Adaptations
ADAPTATION – anything that helps an organism
to survive in its environment.
2 types:
1. STRUCTURAL – a trait; something on their body
* caused by mutation in DNA
2. BEHAVIORAL – way they act (something they do)
All organisms need to adapt in order to survive
 For example, imagine a bird species. One day a bird is born
with a beak that is longer than the beak of other birds in
the species. The longer beak helps the bird catch more
food. Because the bird can catch more food, it is healthier
than the other birds, lives longer and breeds more. The
bird passes the gene for a longer beak on to its offspring.
They also live longer and have more offspring and the gene
continues to be inherited generation after generation.
 Eventually the longer beak can be found in all of the
species. This doesn't happen overnight. It takes thousands
of years for a mutation to be found in an entire species.
EX of structural adapt.
1. camouflage
2. thick fur / shedding
3. spines/ tusks
4. spray smells
5. body part shape
6. mimicry
tons more!
Some examples of
adaption
Mimicry
 Mimicry allows one
animal to look, sound, or
act like another animal to
fool predators into
thinking it is poisonous or
dangerous.
Jaw unhinges to eat
Things bigger than
their mouth
VIDEO CLIP
Teeth bent back
Teeth in rows pop up
CHAMELEON
All birds have similar
characteristics.
But many water birds
have features that
are different from
those birds live on
land.
Webbed
feet for
swimming
Long legs are good for wading
These wings act as flippers
Some animals are camouflaged
to blend in with their
surroundings.
This keeps them safe as it is
more difficult for other animals
to see them or catch them for
food.
These zebra could
easily be mistaken
for bushes from
a distance.
This lion blends in well
with the grassy
background.
This lizards skin is so
similar to the rock
colour.
Aquatic animals have
streamlined bodies
to move more easliy
in the water.
Camels store water in their
humps.
Snakes glide across the hot
sands and can shed their skin
These animals have
adapted to live in
the hot climate of
the desert.
Ostriches have
long eyelashes to
keep out the sand.
These animals have
adapted to be more
suited to cold
temperatures.
Polar bears are kept warm by
their body fat.
Deer have a
warm layer
of fur.
Layers of fat keep the
seals body warm, and small
ears stop heat loss.
A human adaptation
EX of behavioral adapt.
1. Moving in herds
2. Migration
3. hibernation
4. Playing dead
5. Sitting on rocks
to keep warm
adaptations
VIDEO 1: On a sheet of paper, list all the adaptations
mentioned in the short video
VIDEO: List all the changes and adaptations
of elephants over time
Human adaptations
 Sweating to cool off
 Opposable thumb
 Language to communicate
 Skin colors
 Body shapes and size
 Layers of fat
 Clothes / shelter
 Agriculture
 Use of oxygen by our cells
 Malaria/ sickle cell
PLANTS HAVE ADAPTATIONS TOO
Can you think of any?
VIDEO – ditto to fill in
PLANT ADAPTATIONS
EX:
 Spines
 Waxy leaves
 Deep roots
 Wide leaves
 Covered seeds
 Thick bark
 Drop leaves
Tons more!
Even plants have
adapted to their
habitats.
The cactus has fleshy stems
that store water.
Dandelions seeds are
easily dispersed.
The water provides support for this lily
as it has less developed roots to hold it
in place.
How did plants first begin? Where did they live? How
did they evolve?
READING ON CELL TO SEED
WARM UP #6 10/9 (7 pts)
1.
2.
3.
4.
What is the definition of adaptation?
What are the two main types?
Give 3 examples of each type.
Do you think plants have adaptations? If so, can you
name any?
* HAVE BOOK OUT TO GET YOUR 5 pts