Answer:
charts that show population increase or decrease.
like
the internet is also one like the san diego zoo has a page where you can see if the animal is flourishing in numbers, or not.
<span>The lymphatic system is considered as the subsystem of the circulatory
system that is composed of networks of vessels, tissues and organs in vertebrates.
Its anatomy is composed of lymph nodes and lymphatic vessels which connect the
other parts systematically. A picture of the lymphatic system is attached below.</span>
This question is very broad, so one possible answer that's is also very broad is that they can form many other chemical compounds.
