All aquatic vertebrate animals with gills that don't have appendages with digits. The vast majority are cold-blooded.
What is fish
100
A type of segmented worm with two sets of two eyes, multiple (usually three) antennae
What is marine worms
100
highly organized groups of fish of the same species, which swim in the same direction, at the same speed, and generally spaced evenly apart.
What is school
100
the scientific classification of organisms
What is taxonomy
100
an animal that doesn't have a backbone
What is invertebrate
200
groups of fish formed when fish loosely adjust their swimming to be near other fish
What is shoals
200
members of the arthropod phylum who havce crusty, hard, outer shells
What is crustacean
200
have a soft body protected by a hard shell
What is mollusks
200
porous marine invertebrates who pull water through their soft bodies in order to obtain oxygen and nutrition
What is sponges
200
invertebrate species that were among the earliest multi-cellular life to have evolved on earth
What is cnidaria or cnidarians
300
the phylum including octopi
What is molusca
300
phylum including sponges
What is porifera
300
some species live near coasts and can crawl up on beaches using pairs of legs that extend from every ringed segment of their bodies
What is marine worms
300
regeneration from damaged fragments is one type of reproduction
What is asexual
300
habitat for sea anemones, octopi, shrimp, barnacles, small fish
What is porifera or sponges
400
a large phylum that contains many types of worms,
What is annelids
400
the phylum name containing a diverse species list. organisms have a relatively simple body structure, which is evidence of their place in the early evolution of life.
What is molusca
400
accounts for over 98% of all species on Earth
What is invertebrate
400
a phylum which includes thousands of species including sponges
What is porifera
400
a phylum that includes the large grouping of crustaceans
What is crustacea
500
venomous, stinging cells present on all of the species called cnidarians
What is cnidocytes
500
random fish in the same location, such as fish feeding in the same area of a kelp forest or coral reef
What is aggregations
500
relationships in which plants or animals of different species may be dependent on one another for survival. They may share habitats, lifestyles, or interactions that are mutually beneficial
What is symbiotic
500
a process in which molecules pass through a semi-permeable membrane from a less concentrated solution to a more concentrated solution resulting in an equalizing effect between the two sides of the membrane
What is osmosis
500
sponges can reproduce sexually or asexually. this is called