English Wikipedia - The Free Encycl...
Download this dictionary
Marine invertebrates
Marine invertebrates
are all multicellular animals that inhabit a
marine
environment apart from the
vertebrate
members of the
chordate
phylum;
invertebrates
, lack a
vertebral column
. Some have evolved a
shell
or a hard
exoskeleton
.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License