These are parasitic flatworms. 

A. roundworms
B. turbellarians
C. flukes
D. protozoans


C. flukes

Biology & Microbiology

You might also like to view...

The term interface can be used to describe the surface across which molecules and ions are exchanged, often diffusing between external and internal environments or between organ systems. What part of the respiratory system forms the interface between the respiratory system and the circulatory system?

A. Alveoli B. Bronchioles C. Pharynx D. Trachea

Biology & Microbiology

The electron transfer chain is located

a. on the inner membrane of the mitochondria. b. on the inner membrane of the chloroplasts. c. in the fluid part of the chloroplast. d. throughout the cytoplasm of the cell. e. on the plasma membrane of eukaryotes

Biology & Microbiology

The distribution of terrestrial biomes on Earth depends mostly on ________

A) temperature B) rainfall C) both temperature and rainfall D) neither temperature nor rainfall; it depends on latitude and longitude

Biology & Microbiology

Membranes that do not contain glands are called

A. espiratory B. serous C. dense D. mucous

Biology & Microbiology