Fish has a singular circulatory system, means the blood carrying oxygen from pulmonary circuit will be dumped into the same chamber as the blood carrying wastes and CO2 in the heart, because the heart has only one chamber.
amphibians has a 3 chamber heart, but still not a complete separated pulmonary circulation. However, it does have 2 loops at this stage. Of course birds and mammal also has this feature. So the distinction will be between fish and amphibian, which is the evolutionary double loop pathway.
Answer:
Minimizes repulsion between the valence electrons
Explanation:
The electrons repel each other, so the lowest energy state is one in which the electrons are as far from each other as possible.
<span>It means two things. One is that it attacks all foreign bodies, it's not specific to just one type of foreign bodies, and the other is that it's inborn and innate, meaning that you have a defense mechanism since birth, it's not aquired during life. If you're born without it you have to live in a bubble more or less.</span>
Answer: Their diet consists of small shrimp and crustaceans, including larvae. As they grow older, they graduate to fish, crabs, and other mollusks.
Explanation:
