17 Flashcards
Having a body that can be divided equally into left and right halves for example frog or human
Bilateral symmetry
The phylum that contains simple animals of sponges
Porifera
An organism that has both male and female reproductive organs and produce both eggs and sperm
Hermaphrodite
The phylum that contains animals that are Carnivores, live in water, and have radial symmetry; includes jellyfish, sea anemones, and coral
Cnidaria
Animals that eat other animals for food
Carnivores
Specialized stinging cells in the tentacles of cnidarians
Cnidocytes
A tiny, coiled stinger in the cynidocyte
Nematocyst
The body form of the cnidarian that has tentacles pointing upward
Polyp
The body of a cnidarian that has tentacles hanging down word
Medusa
The animal phylum that contains flatworms, such as planarians and tapeworms
Platyhelminthes
An organism that feeds on other living organisms
Parasite
The animal phylum that contains roundworms such as heart worms hookworms and pinworms; many worms in this phylum are parasitic
Nematoda
The animal phylum that contains segmented worms such as leeches in earthworms
Annelida
A phylum of animals that are called “mollusks” which all have a soft body and a muscular foot
Mollusca
A type of mollusk that may or may not have a shell and moves by gliding on a self secreted slimy track; examples: snails, slugs
Gastropoda
A type of mollusk that has two shells hinged together but does not have a well-developed head; uses a muscular foot to move or dig into sand; examples:clams, oysters
Bivalve
Attached to a solid o object
Sessile
A type of mollusk that had a head, no body, and a foot that is spread out into tentacles; examples: octopuses, squids
Cephalopod
A phylum of spiny skinned animals that have an internal skeletal structure and that live in the ocean; examples: starfish, sea urchins
Echinodermata
Tiny tubes that act as suction cups to allow some Echinodermata to move and get food
Tube feet
The phylum that have jointed appendages and segmented bodies covered in exoskeleton
Arthropoda
A hard, protective covering on the outside of an invertebrates body
Exoskeleton
A group of arthropods that usually live in the water and have two antenna; examples: lobsters, fish, shrimp, pill bugs
Crustaceans
A group of arthropods that included spiders and scorpions.
Arachnids
Long, worm like arthropods that are carnivores; able to move quickly
Centipedes
Long, wormlike arthropods that are able to move slowly with multiple sets of tiny feet; eat dead and decaying plant material
Millipedes
A group of arthropods that have bodies divided into three parts and have three sets of legs; examples: housefly, grasshopper, butterfly
Insects
A process that all insects go through as they change and develop an adult
Metamorphosis
Having a body arranged around a central point. Example: jellyfish and starfish
Radial symmetry
