An echinoderm uses its tube feet for attachment and feeding.
Explanation:
- Tube feets are usually considered as locomotory organ of Echinoderm.
- They have tube feets arranged around their oral groove.
- These tube feed help the organism to push the food into the oral groove.
- Tube feets also help the echinoderms to attach themselves to the floor of the ocean and locomote slowly in a sliding manner.
This membrane is called a selectively permeable membrane as it only allows for the entry of specific substances and does not allow of others.
<span>understanding A, B, AB, and O blood groups</span>
Answer:
The organization of life
Explanation:
The organization of living things or life is a system of classifying living things in a hierarchical order or level from the simplest to the most complex based on structure and function. The simplest level is the cell while the most complex is the organism.
All living organisms are made up of cells. Cells are the basic units of life. In complex living organisms, cells are organized into tissues.
Tissues are a group of cells of the same kind. Tissues are organized into organs.
An Organ is a structure composed of one or more types of tissues that work together to perfume a specific function. Human organs include the brain, heart, skin, stomach, kidney, etc. Organs are organized into organ systems.
An Organ system is a group of organs that work together to perform a certain function. Examples of organ systems include the circulatory, skeletal, nervous, digestive and reproductive systems. Organ systems make up an organism.
An organism is an individual living thing that is made up of one or more organ systems. Examples are humans, plants, insects, etc
