What are two features of capillaries?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which charactistic is a property of water ?