Science Sundries
Red blood cells do this
What is carry oxygen in the blood?
Between these 3: a ray, a lamprey, and a salmon, this one has the most inflexible skeleton
What is a salmon?
The major respiratory organ in most amphibians
What is the skin?
Reptiles are covered with these on the outside of their bodies
What are scales?
This creature was once a hobbit before being corrupted by the Ring
Who is Gollum?
The difference between cartilage and bone
What is cartilage is more flexible & weaker than bone?
A sharks most sensitive means of finding prey
What is its electrical field sensor?
The difference between frogs and toads
What is frogs have smooth, wet skin and live near water and toads have dry, warty skin and doesn't need to live near water?
The growth related characteristic reptiles have in common with arthopods
What is they both molt?
These tree-like beings, led by Treebeard, march against Isengard
What are Ents?
If the blood vessel wall is very thin, it is this kind of blood vessel
What is a capillary?
The function of the lateral line in sharks and bony fish
What is to sense vibrations in the water?
Amphibians go through this biological process where an abrupt developmental change occurs during stages of development
What is metamorphosis?
The two most important functions of reptile scales
What are they prevent water loss and insulate the reptiles body?
This creature defeats the Witch-king of Angmar
Who is Eowyn?
An egg that hatches externally is this kind of development
What is oviparous?
These fins are used by both sharks and bony fishes for balance in the water
What are dorsal fins?
Frogs and toads are uncoordinated, moving their muscles in a very jerky manner. These characteristics show that this lobe of the brain is small in amphibians.
What is the cerebellum?
Reptiles lay amniotic eggs. Tell me the functions of the yolk, allantois, and albumen.
What are:
yolk-serves as nourishment for the developing embryo
allantois- allows embryo to breathe
albumen- destroys pathogens that can enter the egg, supplies water and amino acids to the embryo, and acts as a shock absorber
These nine men were corrupted by rings of power and became wraiths
What are the Nazgul?
This brain lobe is larger in vertebrates with very sensitive eyesight, such as owls
What is the optic lobe?
The anterior dorsal fin play this function in a bony fish
What is a defensive weapon?
The 6 characteristics of amphibians
What are:
1-has an endoskeleton made of bone
2-smooth skin with capillaries and pigment. No scales
3-Usually have 2 pairs of limbs with webbed feet
4-have as many as 4 organs for respiration
5-three-chambered heart
4-oviparous with external fertilization
The 5 characteristics setting reptiles apart from other vertebrates
What are:
1-covered with tough, dry scales
2-are ectothermic
3- breathe with lungs throughout their lives
4-three-chambered heart with a ventricle line that is partially divided
5-produce amniotic eggs covered with a leathery shell, most oviparous, some ovoviviparous
The alliance of elves and men fought Sauron in the past
What is the Last Alliance?