Amphibian
Amphibians are _______ blooded. They warm up by: _____________
cold blooded
Warm up by MOVING to a new location - they cannot regulate temperature internally so they physically move their body.
Why did the scientist tag the giant Japanese salamander ?
To find the same animal again, to gather information on endangered species, and to determine if the animal grows and how long it lives.
What color would you expect a bird egg to be if you found it in Texas?
Most likely to be lighter color because Texas is warmer.
Is a bird cold blooded? Is a reptile or amphibian cold blooded?
Bird is WARM blooded.
Reptile & Amphibian are cold blooded.
What are 5 examples of reptiles?
Gecko
Lizard
Alligator or Crocodile
Turtle or Tortoise
Bearded Dragon
Snakes
What are the helpful things a frog's skin can do?
What is a closed circulatory system?
Blood is enclosed in blood vessels
When watching amphibian eggs develop, how do you know that cells have started to specialize?
The shape of cells starts changing and becoming more defined
Describe Bird courtship
Bird courtship: males will show off looks and skills in order to lure a female
Does a reptile molt? If no, what does it do and define that term
Shedding reptiles removing old skin to reveal new skin
1.Define Life Stage
2. How many Life stages do frogs have?
3. What are the life stages?
different phases of life that all individuals that metamorphosize will pass through in the development stage of their lifetime
3
Egg-Larvae-adult
What things are harmful to amphibians?
Too much sun, too much wind (reason ½ frog species are near extinction) – thin & moist skin very vulnerable to wind and sun.
Which has a higher metabolic rate, human or hummingbird?
hummingbird
Describe bird parental care; is it more care or less care than reptiles?
Parental care: adult bird tends to and takes care of growing young & raising young until it can fly on its own — parental care is over when baby leaves the nest
More care than reptiles
T/F - To move quickly, Birds and reptiles can breathe through their skin and lungs.
False.
Amphibians can breathe through their skin.
What is metamorphosis
the process of transformation from an immature form to an adult form in two or more distinct stages
Describe how an amphibian develops
From frog video: Female lays eggs, male watches egg; In about 2 weeks, egg hatches into larvae (tadpole) and parental care ends.
Metamorphosis continues to adult life stage in the water. Once a full adult, amphibians will crawl on land & in-water.
What are the five classes of phylum chordata?
Amphibian, Reptile, Bird, Fish and mammal
Why do birds build nests? Describe nest building
Nest building: birds build their nest to live in, stay warm, and protect their eggs and young
They gather materials like twigs, water, mud, hay, dirt, to combine to build their nest
Based on what you know about temperature dependent reproduction in reptiles, what gender would the reptile baby be if the egg was extremely cold? what if the egg was extremely hot?
Male - cold
Male - hot
(Moderate temperature would result in female)
What are the 6 characteristics of an amphibian we talked about in class?
List similarities and differences between frogs and toads
Similarities: camouflage, play dead, amphibians
Frogs: smooth slimy skin, long tongue, 95% life in water, white belly
Toads: bumpy skin, short tongue, 10% life in water, camo colored belly
List all 6 characteristics of birds we discussed in class
Describe territorial behavior in birds
bird is very concerned about a specific area; this is a sign of ownership. Bird will defend territory by pecking & making noise & expand wings & puff up body
List all 5 characteristics of reptiles discussed in class