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Amphibians
Frogs
Anatomy Vocabulary
• Body Systems – Digestive System,
Nervous System, Circulatory System,
Excretory System, Muscular System,
Skeletal System, Respiratory System
• Cloaca – one hole for solid waste, liquid
waste, and reproduction.
• Liver – organ that removes toxins from
blood, and dissolves fats
• Pancreas – organ that makes digestive
enzymes and hormones.
Amphibians
• Amphibians have advanced, complex
body systems.
STERNGRR
• What do animals synthesize?
• Proteins, Lipids, Nucleic
• Acids,
• Large Carbohydrates
STERNGRR
• What do frogs need to transport around
their bodies?
• How do frogs transport things around their
bodies?
• Oxygen, CO2, nutrients
Closed Circulatory
System
• Frogs have a three
chambered heart.
• Arteries bring blood
from the heart.
• Veins bring blood to
the heart.
• Oxygenated blood
mixes with
Deoxygenated blood.
STERNGRR
• What do frogs need to excrete from their
bodies?
•
•
•
•
•
CO2
Nitrogen
Water
Salts
Solid waste
Excretory System
• Frogs have two kidneys.
• Each one filters the blood and passes
urine to the bladder.
• The bladder empties into the cloaca.
• Why would the frog need two kidneys?
STERNGRR
•
•
•
•
•
•
What kind of respiration do frogs do?
Aerobic Cellular Respiration
What kind of gas goes in?
Oxygen
What kind of gas goes out?
Carbon Dioxide
Respiratory System
• Frogs have a lung and a tongue that
pushes air in.
• They also breath through their moist skin
by diffusion. It has to be moist.
• Why is it an advantage to have two
methods of respiration?
Frog Breathing
• Video clip
STERNGRR
•
•
•
•
Frogs are heterotrophs (consumers).
Where do frogs get their nutrients?
Eat insects
What is the name for an organism that
only eats heterotrophs?
• Carnivores
Digestive System
• Tongue, throat, stomach (churning and
digesting), small intestine (digesting and
absorbing), large intestine (absorbing water solid
waste storage).
• Liver, gall bladder – puts bile into stomach.
• Pancreas – puts digestive enzymes into
intestine.
• Villi – small finger like projections in the small
intestine that allow for greater absorption of
nutrients.
• Large intestine empties solid waste from the
cloaca.
STERNGRR
• Amphibians develop from a
tadpole with a tail and external gills
to an
adult with no tail, 4 limbs, and internal lungs
• Amphibians need water for their eggs and
tadpole stage. They tend to live near water
as adults.
STERNGRR
• Frogs are ectotherms or cold blooded.
They have to be in the correct
environment to maintain homeostasis.
What must do?
• Move
Muscular Skeletal System
• Frogs have muscles
and bones that work
together for movement.
• Muscles don’t push.
• Two work in opposite
directions.
• Joints and ligaments
connect bones.
• Tendons connect
muscle to bone.
STERNGRR
• How do they control their movement and
other internal regulations?
• How do they sense their environment?
• Nervous system
• Five sences .
Nervous System
•
•
•
•
•
•
Frogs have a brain.
Frogs are chordates so they have what?
Spinal cord
Frogs are vertebrates so they have what?
Vertebrate bones
Around the spine
STERNGRR
• Where do frogs reproduce? Where do the
females lay her eggs?
• Water.
Reproductive System
• Frogs are male (with testicles) or female (with
ovaries). What type of cell division is done in
the gonads?
• Frogs do sexual reproduction
• Males attract a mate by making throat sounds.
• Females tend to be larger.
• Frogs do external fertilization.
• Frogs have soft eggs that need to be in water.
• Tadpoles hatch from the eggs.
Frog Mating
• http://www.youtube.com/watch?v=7kYmB
474-3U
• http://www.youtube.com/watch?v=g0Pc6F
nTCEI&feature=related
Mammals
Pigs
Anatomy Vocabulary
• Body Systems – Digestive System,
Nervous System, Circulatory System,
Excretory System, Muscular System,
Skeletal System, Respiratory System
Mammals
• Mammals have advanced, complex body
systems.
STERNGRR
• What do animals synthesize?
• Proteins, Lipids, Nucleic
• Acids,
• Large Carbohydrates
STERNGRR
• What do pigs need to transport around
their bodies?
• How do pigs transport things around their
bodies?
• Oxygen, CO2, nutrients, waste
Closed Circulatory
System
• Pigs have a four
chambered heart.
• Arteries bring blood
from the heart.
• Veins bring blood to
the heart.
• Oxygenated blood
does not mix with
Deoxygenated blood.
STERNGRR
• What do pigs need to excrete from their
bodies?
•
•
•
•
•
CO2
Nitrogen
Water
Salts
Solid waste
Excretory System
• Pigs have two kidneys.
• Each one filters the blood and passes
urine to the bladder.
• The bladder empties into the urethra.
• Why would the frog need two kidneys?
STERNGRR
•
•
•
•
•
•
What kind of respiration do pigs do?
Aerobic Cellular Respiration
What kind of gas goes in?
Oxygen
What kind of gas goes out?
Carbon Dioxide
Respiratory System
• Pigs have a diaphragm that pulls air in.
Mammals Breathing
• Video clip
STERNGRR
•
•
•
•
Pigs are heterotrophs (consumers).
Where do Pigs get their nutrients?
Eat anything
What is the name for an organism that
only eats anything?
• Omnivores
Digestive System
• Tongue, throat, stomach (churning and
digesting), small intestine (digesting and
absorbing), large intestine (absorbing water solid
waste storage).
• Liver, gall bladder – puts bile into stomach.
• Pancreas – puts digestive enzymes into
intestine.
• Villi – small finger like projections in the small
intestine that allow for greater absorption of
nutrients.
• Large intestine empties solid waste from the
anus.
STERNGRR
• Mammals develop inside the womb.
• Mammals go through puberty to become
sexually mature.
• What type of cell division allows multicellular
organisms to grow into adults?
STERNGRR
• Frogs are endotherms or warm blooded.
They can regulate their own internal
environment to maintain homeostasis?
•
•
•
•
How can endotherms become warm?
Shiver, increase metabolism
How can endotherms cool off?
Sweat.
Metabolism
• What is made during
cellular respiration?
ATP
• When energy is used
moving muscles what is
created?
• Heat
• What other adaptation
keeps mammals warm?
• fur
Sweat
• What do mammals do
to keep from getting too
hot?
• Sweat
Muscular Skeletal System
• Pigs have muscles and
bones that work
together for movement.
• Muscles don’t push.
• Two work in opposite
directions.
• Joints and ligaments
connect bones.
• Tendons connect
muscle to bone.
STERNGRR
• How do they control their movement and
other internal regulations?
• How do they sense their environment?
• Nervous system
• Five sences .
Nervous System
•
•
•
•
•
•
Pigs have a brain.
Pigs are chordates so they have what?
Spinal cord
Pigs are vertebrates so they have what?
Vertebrate bones
Around the spine
STERNGRR
•
•
•
•
•
Where do pigs reproduce?
On land.
Do pigs give live birth or have eggs?
Live
What do pigs and all mammals have for
their young to drink?
• milk
Mammary Glands
• Glands under the skin produce milk.
Reproductive System
• Pigs are male (with testicles) or female
(with ovaries). What type of cell division is
done in the gonads?
• Pigs do sexual reproduction.
• Wild pigs fight for females with tusks.
• Pigs do internal fertilization.
• Pigs have live birth.
• Pigs have a placenta for the growing fetus.
• Pigs have milk for their young.
• http://www.youtube.com/watch?v=CyaWnbR82E&feature=related deer
• http://www.youtube.com/watch?v=gZRuO
1YSZis&feature=related elephant
RAFT assignment
 Choose a role, audience,
format, and topic.
 Write on a separate sheet of paper
 Include SUPPORT and ELABORATION!
Role
Audience
Format
Topic
Annelid
Worm
Insect
(choose 1!)
Mom & dad
The animal
kingdom
Ransom Note
Rap/Song
Dating/Sex
Your new
home
Other animals
like you
Thank You
Letter
You are the
superior
animal
Human
A newspaper
article
Your life is the
best/worst
Amphibian
Mammal
Writing Expectations…
1. Quiet the whole time – focus!!
2. OUTLINE your ideas first!!! (ex. Graphic
organizer, list, freewrite etc.)
3. THEN, I’ll check you off and you can create
your masterpiece!
Have fun and BE
CREATIVE!