digestive and excretory
it is metabolism
A sea sponge has no specific shape(each one differs depending on how the sponge grows, which depends on environmental and genetic factors). It grows as a filter organism, taking in nutrient-rich water and expelling water with all or most of the nutrients removed. An artificial sponge can be just about any shape or size, depending on what the manufacturer wishes for it to be like.
Giant kelp absorbs nutrients through its surface tissues, taking in dissolved minerals and other elements from the water around it. These nutrients are essential for its growth and development.
Eubacteria are ingestive, meaning they acquire nutrients by taking in food particles through their cell wall. They do not absorb nutrients directly from their environment.
digestive and excretory
digestive and excretory
Systems have inputs (such as resources) and outputs (such as waste) that interact with the environment. This exchange is necessary for the system to function properly and maintain equilibrium. Examples include transportation systems moving goods, or biological systems taking in nutrients and releasing waste.
it is metabolism
http://wiki.answers.com/FAQ/6462excretory
Absorbtion :)
The motto of Really Simple Systems is 'Taking the complexity out of CRM'.
A pill to stop your pregnancy means you had an abortion.It is very normal to bleed a lot during an abortion, this is the pregnancy expelling itself.
The process of digestion is how the body absorbs nutrients from food.
A sea sponge has no specific shape(each one differs depending on how the sponge grows, which depends on environmental and genetic factors). It grows as a filter organism, taking in nutrient-rich water and expelling water with all or most of the nutrients removed. An artificial sponge can be just about any shape or size, depending on what the manufacturer wishes for it to be like.
Giant kelp absorbs nutrients through its surface tissues, taking in dissolved minerals and other elements from the water around it. These nutrients are essential for its growth and development.
A hagfish has one nostril. It breathes by taking in water though its nostril and then expelling it through a series of spherical breathing pouches, each of which contains two gills. Yitayal Alemu