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Which organism uses the same opening for ingestion and egestion?
Organisms that have only one opening in their digestive tract through which food enters and waste exits are known as having an incomplete digestive system. Some organisms with incomplete digestive systems are jellyfish, sea anemones, flatworms, and corals.
What are the disadvantages of a flatworm's digestive system having only one opening?
They cannot eat continuously (there mouth and anus are present in the same opening)
What is a disadvantage of having 4 fins on a rocket?
Wat is the disadvantage to having 4 fins on a rocket.?
Use cavity in a sentence?
I'm having a dentist look at my cavity tomorrow.
What are the significance of an animal's having two separate opening to the digestive tract as seen in Ascaris?
Some animals have only one opening (e.g. starfish), but having two openings (input and output) permits a long "disassembly line" type of processing of food that more efficiently extracts nutrients.
Advantage and disadvantage of having children?
suggest reasons why you think it is a disadvantage to have many children?
What is a disadvantage to having a desk diary in the office?
The disadvantage of having a desk diary in the office is that the aspect of privacy might be infringed by certain workers.
What disadvantages to a one opening digestive system?
Having a single opening for both ingestion and elimination can increase the risk of contamination and infection from waste material. It can also limit the efficiency of digestion and nutrient absorption, as food may not be fully broken down before being expelled. Additionally, this type of digestive system may restrict the size and complexity of organisms that can be sustained due to the limitations in processing food.
What is a disadvantage of credit?
Having to pay interest.
What is having to do all the work is an example of an disadvantage or advantage of society of authority?
disadvantage of society of authority
What is leech digestive tract?
Leeches have a complete digestive tract. Leeches are members of Phylum Annelida. This phylum has the general characteristic of having a complete digestive tract, i.e. food goes in through the mouth, pass through digestive tract of some sort like stomach and/or intestine, waste gets discarded through some sort of rectal opening, i.e. anus. In comparison, an incomplete digestive tract generally means food goes in and waste come out of the same opening, i.e. mouth=anus. Lower level invertebrates have incomplete digestive tract like Phylum Cnidaria and Phylum Platyhelminthes members.
What is an disadvantage for having digital camcorders?
a disadvantage is that som might not have a camera to take pics with while, others do.
