Radiology are the medical specialty that study the characteristic and uses radioactive substances of diseases.They use medical imagining to diagnose and sometimes also treat diseases within the body. They use the technique such as x-ray , radiography , ultrasound, computed tomography and magnetic resonance imagining
<span>uniformitarianism, You should probably create notes or look up more informative sources.</span>
The squirrels are attuned in their brains to understand that owls are a threat because it is a predator. This is visual stimuli that evolved over many years to elicit a conditioned response. This is an innate behavior (meaning that it has been pre-programmed into an animal's genes) and offspring are naturally born with it.
Answer: The correct answer is: They compete with already present animals for sources of food.
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Explanation: