No a worm is more complex than a jellyfish
jellyfish
The earthworm like many more complex organisms has a closed circulatory system, meaning that its blood is confined to blood vessels and its blood is recirculated so it gets maximum use
Common specializations in the digestive tract of higher organisms like humans include the presence of villi and microvilli in the small intestine for increased surface area absorption, the production of digestive enzymes by the pancreas to aid in breaking down food, and the presence of specialized cells in the stomach that secrete acid and enzymes for digestion.
No, not all living things need a digestive system. For example, some simple organisms like bacteria absorb nutrients directly through their cell membrane. However, for complex multicellular organisms, a digestive system is necessary to break down food into nutrients that can be absorbed and utilized by the body.
I am pretty sure they have simple but very complex digestive systems
Yes, annelids possess a complete gut, which runs from the mouth to the anus. This digestive system allows them to efficiently process food, as it includes specialized regions for digestion and absorption. The presence of a gut is a characteristic feature of more complex organisms, distinguishing annelids from simpler organisms with incomplete digestive systems.
advantages of human beings are complex organisms
it was here before the dinos and was the most complex thing in the millions B.C
Complex organisms need cells that perform many different functions. Complex organisms are capable of a lot of different things, and that variety needs to be supported on the cellular level. Without them, complex organisms cannot perform different functions.
Jellyfish have a simple digestive system. They have a digestive cavity with cells lining the wall that carry out the digestive function.
in the digestive process, complex foods are broken down into simpler substances like what?