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There are three main groups of reptiles. One group is the lizards and snakes. Although snakes do not have legs, they evolved from lizards, which have legs. The second group is the turtles and tortoises, which have a heavy shell that is attached to the skeleton. The third group is the crocodiles and alligators (the crocodilians). The last two groups are generally found in or near the water.
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What are characteristics of reptiles?
Some characteristics of reptiles are, They have backbones or vertebrae, they are cold blooded, they have thick protective scales and lay eggs. All reptiles breathe air from their lungs. They have 3 heart chambers. Some examples include lizards, snakes, crocodiles and alligators
How many atria and ventricles in a reptile heart?
In most reptiles there are 2 atriums and 1 ventricle, it also has 3 heart chambers
3 characteristics of reptiles?
Reptiles are cold-blooded vertebrates that have scales or scutes covering their bodies. They lay eggs on land and breathe air through lungs. Reptiles are ectothermic, meaning they rely on external sources of heat to regulate their body temperature.
In what order did the five classes of vertebrates evolve?
The five classes of vertebrates (fish, amphibians, reptiles, birds, mammals) evolved in the following order: fish appeared first, followed by amphibians, then reptiles, birds, and finally mammals. Each class adapted and diversified to exploit different environments and ecological niches over millions of years.
What are four characteristics of reptiles?
These are five characteristics of reptiles (I know you asked for four) 1. They are ectothermic vertebrates 2. Their skin has scales, but no hair or feathers 3. They have three-chambered hearts (except for alligators and crocodiles which have four-chambered hearts) 4. They have claws on their toes (except those who do not have legs, such as legless lizards) 5. They are the first animals, in evolution, to develop the amniotic egg. This allows reptiles to lay eggs on land. Vocabulary: ectothermic: Having a variable body temperature which closely matches that of the surroundings. "Cold-blooded".
Name 3 types of reptiles that live in FL?
Newts,salmanders,and snakes
If the pet store the number of fish is 120 more than 3 times the number of reptiles if the pet store has 210 fish how many reptiles does it have?
Fish = 120 + (3 x reptiles) 210 = 120 + (3 x reptiles) 90 = 3 x reptiles Number of reptiles = 30
Class with 3-chambered heart?
Reptiles and amphibians ;3
Do reptiles have a 3 chamber heart?
yes they do!
What shows the order in which vertebrates evolved?
1:fish 2: amphibians 3: reptiles 4: birds 5: mammals
What are three things different and same about reptiles?
Well, reptiles have scales, they eat meat, and all are in the same species, 3 things different are some reptiles constrict their prey, others chew and swallow, last is not all reptiles can swim. ALL REPTILES ARE UNIQUE.
What are the release dates for Billy the Exterminator - 2009 Coffin of Deadly Reptiles 3-1?
Billy the Exterminator - 2009 Coffin of Deadly Reptiles 3-1 was released on: USA: 28 September 2010
3 types of reptiles to Florida?
Newts,salmanders,and snakeslizard crocodile alligator
What are the 3 major differences between mammals marsupials and reptiles?
mammals, including marsupials, are warmblooded whereas reptiles are cold-blooded.mammals bear live young (with the exception of the monotremes) whereas most (not all) reptiles lay eggs.mammals have fur, skin or hair, whereas reptiles have scaly skin, but not scales.
What is the reptiles source of body warmth?
Reptiles are cold bloode, ergo their body temp. Changes depending on the climate or temp. Around them
Why is it called a triceratops?
Because it's a member of order Ornisthischia, which automatically puts it in class Reptilia, or reptiles. All dinosaurs are reptiles.
What are the 3 major groups of reptiles?
Snakes, turtles, crocodiles, and extinct animals such as dinosaurs.
