A proper habitat and Preferences different specialized niches
Nucleus, ribosomes, endoplasmic reticulum, and <span>Golgi apparatus.</span>
Mutualism
Explanation: a relationship between two species of organisms in which both benefit from the association.
Answer:
The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.
Explanation:
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