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Vocabulary 2

Across
a principal taxonomic category that ranks above class and below kingdom.
A place in the ocean with many corals
an aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams, mussels, and scallops.
a mode of reproduction in which a new offspring is produced by a single parent.
the part of the body of a vertebrate containing the digestive organs; the belly. In humans and other mammals, it is bounded by the diaphragm and the pelvis.
an immature form of an insect that does not change greatly as it grows, e.g. a dragonfly, mayfly, or locust.
A type of circulatory system where blood circulates within closed vessels
a structure of tiny teeth used for scraping food particles off a surface and drawing them into the mouth.
A part of the organism's interiors
ANIMAL WITHOUT BONES
the active immature form of an insect
The act of fertilizing something
Down
the paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.
a solitary or colonial sedentary form of a coelenterate such as a sea anemone
one in which there is a mixing of the blood and interstitial to make up the hemolymph.
any of a large class of mollusks (as snails) that have a muscular foot at the bottom and usually both a distinct head bearing sense organs and a spiral shell into which the body can be withdrawn
(in an echinoderm) a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels.
A stage where insects are developing
A group of insects
the property of being divisible into symmetrical halves on either side of a unique plane.
a solitary or colonial sedentary form of a coelenterate such as a sea anemone
the part of the body of a mammal between the neck and the abdomen,
the process of transformation from an immature form to an adult form in two or more distinct stages.
An animal with bones
are small active tubular projections on the oral face of an echinoderm
an aquatic invertebrate animal of the phylum Cnidaria, which comprises the coelenterates.
is the shedding of the exoskeleton (cuticle) of the previous life stage.