Question

Draw a phylogenetic tree demonstrating the evolution of the multi-chambered heart in fish, amphibians, reptiles, mammals, and birds, listing the advantages of each type.

Answer 1

Multi-Chambered Heart

Explanation:

• The four-chambered in warm blooded mammals like frog's have three chambered of heart.
• Other warm-blooded creatures, consume a great deal of vitality and need a lot of oxygen.This change bears the turtle's body blood that is somewhat more extravagant in oxygen than the frog's.  

Advantages of fish-  

• The heart doesn't require extra chambers past the initial two.
• Fish and different creatures with 2-chambered hearts, along these lines, have less difficult circulatory frameworks than creatures with lungs and therefore, 3-and 4-chambered hearts.  

Advantages of Amphibians-

• The amphibians have a three chambered of the heart which to be very helpful to  amphibians of land and water.

Advantages of Reptiles-  

• The  reptiles have a three-chambered heart comprising of one ventricle and two atria.
• The chamber called the correct chamber gets deoxygenated, or "spent," blood coming back from the body tissues.  

Advantages of Mammals-

• The four-chambered heart of feathered mammals and well evolved creatures advanced freely from a three-chambered heart.  

Advantages of Birds -

• Birds like mammals , similar to vertebrates, have a 4-chambered heart (2 atria and 2 ventricles), with complete division of oxygenated and de-oxygenated blood.
• The correct ventricle siphons blood to the lungs, while the left ventricle siphons blood to the remainder of the body.