Characteristics of Animals
Name a characteristic of an animal
heterotrophic, multicellular, advanced brain and senses, etc.
What term describes the arrangement of body structures
What is symmetry
What is an animal that does not have a backbone?
An invertebrate
What is cartilaginous fishes classification?
Chondrichthyes
Toothlike, diamond-shaped, cone-shaped, or round.
What are scales
animals that consume food in order to obtain nutrients
What are heterotrophs
What is the body plan of an animal that can be divided along any plane, through a central axis, into roughly equal halves; jellyfish, hydra
What is radial symmetry
a hard covering on the outside of the body that provides a framework for support
exoskeleton
What are bony fish
What are osteichthyes
What is the thin-walled, internal sac found, found in bony fish, just below the backbone that alters the amount of gas in the fish which controls its depth.
What is the swim bladder
organisms that are permanently attached to a surface
What is sessile
What are animals that develop from three cell layers, ectoderm, endoderm and mesoderm but have no body cavities.
What are acoelomate
Phylum of invertebrates that include segmented worms; polychaetes, earthworm, leeches, etc.
What is Annelida
What are jawless fish?
What is Agnatha
Fishes depend on this for balance, steering and swimming.
What are fins
results from the formation of two cells; a cell-covered, fluid filled ball
what is a blastula
An animal that has a space that develops between the endoderm and mesoderm.
What is pseudocoelom
What is the phylum name of insects, spiders and crabs
What is ARthropoda
What anatomical feature of a fish aids in detection of movement and vibrations?
What are lateral lines
Fishes have great flexibility when they swim due to this physical characteristic.
What is separate vertebrae
When the gastrula develops into the mouth
What is a protostome
The body cavity develops from this fluid-filled space completely surrounded by mesoderm.
What is a coelom
What is the class name of octopuses, squids and nautilus
What are cephalolpoda
What is breeding in fish called?
What is spawning; external fertilization
Sharks breeding
internal fertilization