evaluate the age of rocks. you find three undisturbed rock layers. The middle layer is 120 million years old. What can you say a
1 answer:
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<h2>Multi-Chambered Heart </h2>
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 d<em>eoxygenated, or "spent," blood coming back from the body tissues. </em>
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.