All animals having a single opening to the outside that serves both as mouth as well as anus except?
Correct answer: A. Octopus
- A. Octopus
- B. Asterias
- C. Ascidia
- D. Fasciola
Explanation
Octopuses do not have a single external opening for both ingestion and egestion. Octopuses have a more complex digestive system compared to some other animals. They have separate openings for ingestion and egestion.
Last updated
Related questions
1. Fertilization_. 2. Digestive system_.3. Excretion by_.Fill in the blanks for the organism given in the below figure:
80% of the food of sponges consists of which of the following?
80% of the food of sponges consists of which of the following?
A blue colored respiratory pigment called hemocynanin is found in:
A body cavity completely surrounded by tissue derived from the mesoderm that provides cushioning for internal organs is called