An internal body cavity of some primitive invertebrates, similar to a coelom but lacking a mesodermal lining.
If these tiny invertebrates at the bottom of the food chain die, he said, that ultimately harms bigger sea creatures and the entire fishing industry.
Any of various wormlike marine invertebrates of the phylum Pogonophora that grow in upright chitin tubes, usually at depths greater than100meters(330feet, have tentacles attached to the head region, and lack a digestive system.
The organ in invertebrates is similar to the vertebrate liver.
The bugs sustain not only the plant, but an intricate food web of bacteria, plankton and invertebrates.
The study, published in the journal Science, suggests that the ancient invertebrates' main diet was zooplankton, which are tiny ocean surface creatures.
The middle portion of the digestive tract of certain invertebrates, such as arthropods, lined with an enzyme - secreting tissue and serving as the main site of digestion and absorption.
radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers.
We had never heard of a Tardigrade, but supposedly it's one of the most resilient microscopic swamp-dwelling invertebrates and the inspiration for this private residence.
Scientists recently discovered that the eyeless invertebrates “see” by detecting light with their spines.
The influence social experience has on the female Wolf spider's mating choice is almost unheard of among invertebrates.
Other products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3.
Each morning they rise up in vast, graceful waves and fly to fields nearby, where they spend their days assiduously feeding on waste corn the harvesters missed and earthworms and other invertebrates.
Tardigrades and rotifers - small invertebrates - are among those that have evolved the ability to go into suspended animation in tough times.
Insects and worms are all invertebrates.
Giving up my work in the mammalian brain to go work on invertebrates, they thought, was a major step backwards.
Many invertebrates have shells of calcium carbonate that bear evidence of the physical conditions in which they formed.
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