Snakes Flashcards
Where would you obtain a blood sample from in the snake?
A. Jugular vein
B. Dorsal tail vein
C. Ventral coccygeal vein
D. Cephalic vein
C. Ventral coccygeal vein
What are snakes a symbol of ito certain religons?
A symbol of:
* Healing
* Renewal
* Power
What 2 snakes are native to Scotland?
The:
1. Adder
2. Grass snake
Can snakes perform Autotomy?
It’s uncommon, but yes, some can!
Is the snake Omnivorous, Carnivorous or Herbivorous?
Carnivorous
Name a few species that make up some of the snakes diet.
- Fish
- Insects
- Mice
- Rats
- Chicks
What are the snakes skin called?
Scales
Do snakes have a thorax or abdomen?
No
True or False
Snakes have moveable eyelids.
False
True or False.
Snakes have 2 lungs.
True, they technically do have 2 lungs!
However….
Only one is functional, which means that being thorough, it is False!
Why are snakes known to technically have only 1 lung?
Because one lung is very underdeveloped, but still present!
True or False.
The Right lung is underdeveloped and the Left lung is functional.
False.
The Left lung is underdeveloped and the Right is functional!
True or False.
The Left lung is larger and longer than the Right lung.
False.
The Left lung is longer than the right, however, the right lung is larger than the left!
Why is the Right lung larger than the Left lung?
Because the right lung is the functional lung and has **developed larger **in size, to increase the functionality of it
Why is the Left lung longer than the Right?
Because the left is non-functional + therefore shrunk in diameter, to provide more space for other functioning organs
What word is used to describe the lungs in snakes?
A Simple lung
Do snakes have a gall bladder?
Yes
What does the vertebral column of the snake provide attachment for?
Muscles
How many vertebrae do snakes have?
200 > 400 vertebrae
Where do the ribs start and begin and end in the snake?
Begin = From the skull
End = Coccygeal vertebrae
What vestigial appendage + bone can be seen in some species of snake?
- Bone = Vestigial pelvis
- Appendage = rear limbs
Where could you find vestigial rear limbs on a snake?
Beside the vents
True or False.
The snake has a large cranial cavity.
False.
The snake has a small cranial cavity.
Why are the 2 reasons why snakes appear to ‘yawn’ after eating?
- To reset their jaw
- To take in O2 after eating
Do snakes have a temporomandibular joint?
No
True or False.
The snake’s lower jaw is split into a left mandible and right mandible.
True!
What are the left + right mandibles separated by in the snake?
The mandibular symphysis
