Migratory behaviors, such as the particular routes animals use, are said to be instictive. This type of behaviour is also called innate which means that animals perform particular action pattern that is essential for their being. Here are some examples to make it absolutely clear : when animal is shaking water from wet fur, when the spider makes a net, when a bear hibernate. All this behaviours are <span>not learned they just come naturally so that animal will accustom to its environment.</span>
It’s either A or D depending on which side has a higher concentration of that molecule. If outside concentration is higher it will go from outside to inside. And if inside concentration is higher from inside to outside.
A.<span>He is always hungry so he cannot think logically.</span>
<span>Countercurrent oxygen exchange I think
</span>
Seems like Overpopulation, since they can not survive on the amount of resources available.
