Answer:
Birds, like mammals, have a 4-chambered heart (2 atria & 2 ventricles), with complete separation of oxygenated and de-oxygenated blood. The right ventricle pumps blood to the lungs, while the left ventricle pumps blood to the rest of the body.
<h3>
<u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u></h3>
<u>
</u>
Answer:
Criminological behavior is an expression of biological positivism.
Explanation:
It is a theory that is caused by some chemical imbalance which takes place in brain that may be cause by biological or genetic.
Positivism is a state that is very confident of something.
It refers to the application of scientific method for explaining human behavior. Criminology were primarily explain criminality by identifying the physical state and characters, genetic difference, which use to discriminate between criminals and non criminals.
This theory is called as psychological positivism and social positivists
You failed to include the picture that goes with the question. However, the oldest fossils will be the fossils in the oldest layer, which is the lowest layer of sediment. Sedimentary rock forms as mud and silt pile up over thousands and millions of years. The layers of sediment harden and become rock. Organisms that are trapped in those layers become fossils as additional layers pile on top of them, forming new layers of sediment.
