Invertebrates Review

Type of digestive system that has a separate mouth and anus.

• open digesiton

• complete digestion

• closed digestion

• incomplete digestion

An internal skeleton.

• endoskeleton

• microskeleton

• exoskeleton

• macroskeleton

An organism that lives in or on another organism and benefits by getting nutrients at the host's expense.

• predator

• host

• parasite

• prey

Animal body plan that can be divided into mirror image halves along one plane along a central axis.

• asymmetry

• pentaradial symmetry

• radial symmetry

• bilateral symmetry

Individuals produce both male and female sex cells.

• dioecious

• trioecious

• quadoecious

• monoecious

Blood is not entirely contained within blood vessels.

• bilateral circulatory system

• closed circulatory system

• open circulatory system

• complete circulatory system

The division of the body into multiple segments; allows for more flexibility and range of motion.

• segmentation

• symmetry

• cephalization

• metamorphosis

Clusters of nerve cells.

• endoskeleton

• metamerism

• ganglia

• nephridia

Individuals produce either male or female sex cells but never both.

• trioecious

• dioecious

• quadoecious

• monoecious

Reproduction that involves the fusing of gametes from two individuals during fertilization; involves the exchange of genetics and the resulting new animals are genetically unique.

• sexual fertilization

• open fertilization

• asexual fertilization

• closed fertilization