NO SPINE GUYS Flashcards
What is a vertebrate?
A vertebrate is an animal with a backbone.
What is an invertebrate?
An invertebrate is an animal without a backbone.
What is a consumer?
A consumer is an organism that eats other organisms or organic matter.
What is a ganglion?
A ganglion is a mass of nerve cells.
What is the gut?
The gut is the digestive tract.
What is the coelom?
The coelom is a body cavity that contains the internal organs.
What is bilateral symmetry?
Bilateral symmetry is when both sides of an organism are symmetrical.
What is radial symmetry?
Radial symmetry is when all appendages are organised around the center of an organism.
What is asymmetry?
Asymmetry is when an organism cannot mirror its right and left sides with symmetry, and does not have limbs organised around the center.
What is a sponge?
A sponge is the most simple invertebrate. It has no tissues gut, or neurons, but it has pores for absorbing small plants and animals.
What is a cnidarian?
Cnidarians are invertebrates with stinging cells.
What are flatworms?
Flatworms are simple worms divided into three groups: Marine flatworms, flukes, and tapeworms.
What are roundworms?
Roundworms have long, slim, and round bodies which have simple nervous systems.
What are mollusks?
Mollusks are animals like snails, slugs, clams, oysters, squids, and octopuses.
What is an open circulatory system?
A circulatory system in which the circulatory fluids are not contained entirely within vessels.
What is a closed circulatory system?
A circulatory system in which the heart circulates blood through a network of blood vessels that form a closed loop.
What are annelid worms?
Annelid worms have bodies with segments, like earthworms.
What is an exoskeleton?
An exoskeleton is a hard, external, supporting structure.
What is a compound eye?
A compound eye is composed of many light detectors.
What is an antenna?
An antenna is a feeler that is on the head of an invertebrate, such as a crustacean or an insect, that senses touch, taste, or smell.
What is an endoskeleton?
An endoskeleton is an interal system made of bone or cartilage.
What is metamorphosis?
Metamorphosis is a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place.
What is a water vascular system?
A water vascular system is a system of canals filled with a watery fluid that circulates throughout the body of an echinoderm.
