MBIO Ch. 7 FLASHCARD

Front

What are the characteristics of flatworms?

Back

Flatworms are characterized by having muscles, cephalization, bilateral symmetry, three embryonic cell layers, and no coelom.

Front

What causes coral bleaching?

Back

Coral bleaching can be caused by pollution, temperature changes, and disease.

Front

What is a distinct feature of arthropods?

Back

A distinct feature of arthropods is jointed legs.

Front

What are the skeletons of coral made of?

Back

The skeletons of coral are made of limestone.

Front

What is a coelom?

Back

A coelom is a body cavity in complex organisms.

Front

Define cephalization.

Back

Cephalization is the concentration of sensory organs and nervous tissue at the anterior end of an organism.

Front

What is bilateral symmetry?

Back

Bilateral symmetry is a body plan in which the left and right sides of an organism are mirror images.

Front

What are the three embryonic cell layers?

Back

The three embryonic cell layers are ectoderm, mesoderm, and endoderm.

Front

What is the significance of jointed legs in arthropods?

Back

Jointed legs allow for greater mobility and flexibility in movement.

Front

How does pollution affect coral reefs?

Back

Pollution can lead to coral bleaching and the degradation of coral reef ecosystems.