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the tracheal system of insects provides direct exchange between the air and body cell, therefore these insect like a grasshopper does not have respiratory system in its body.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoAll of the organisms have some sort of digestive system. Some of the unicellular organisms such as paramecium and amoeba, have vesicles that take in food, and then many invertebrates have something such as filter eating similar to that of a sponge. All organisms even bacteria and viruses have some way of surviving, and all living things need to have some sort of food in order to survive.
Wiki User
∙ 11y agoI know very small organisms like bacteria and very small insects don't. Some sea creatures like jellyfish and sponges don't have brains either.
Wiki User
∙ 10y agoTwo organisms that do not have circulatory systems include sea anemones and jellyfish.
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What is a digestive system with only one opening called?
A digestive system with only one opening is called an incomplete digestive tract. Organisms with this type of digestive system ingest food and eject waste through their mouth.
What is the function of an organisms digestive system?
The function is to process the food in our body
Why is digestive system different in various organisms?
Each animal species has its own digestive system suited for its own needs, diet, and enviroment. Adaptation and evolution has changed the animals digestive system for its own benifit.
What organisms has the most complex digestive system. jellyfish pigeon sponge flatworm?
jellyfish
Do all organisms have a digestive system and why?
No. plants do not digest food, they make their own from sun-light, water, CO2, and soil minerals. Plants don't need a digestive system. Animals, in other words, do.I think plants are the only organisms that don't have a digestive system. Many species of the Protists never developed a digestive system. Some unsegmented worms that have taken up a parasitic livelihood (such as Hook Worms and tape worms) have lost what digestive they once had and absorb their nutrients directly through their skin.
What group of organisms work together to perform a particular job in the body?
Organ systems. Examples are the skeletal system, digestive system, respiratory system.
What role does the nervous system play in the digestive system?
The digestive system is related to the nervous system in such a way that the nervous system dictates the speed of breaking down of food. The nervous system overseas activity in the digestive tract, and regulates secretion if there are changes.
What are part of small intestine and large intestine?
The Small and Large Intestines are part of the Digestive System. The Digestive System is responsible for allowing an organism to transform ingested food into chemical energy for that organisms survival.
What body system does the intestines belong to?
The body system that the colon belongs to is the digestive system. The colon is also known as the large intestine.
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.
The gullet is part of what system?
The Gullet Is Part Of The Digestive System
How are organs systems and organisms?
An organ is one structure that performs a specific function(ex. stomach) and an organ system is a group of organs(ex. digestive system)
