Question | Answer |
Asexual Reproduction | Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only |
Cell | the smallest structural and functional unit of an organism |
Cephalization | the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain |
Closed circulatory system | Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. |
Coelem | the body cavity in metazoans |
Colonial | To live in colonies |
Fluid | Having particles which easily move and change their relative position without a separation of the mass |
Feeding | To feed or give nourishment to |
Endoskeloton | an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates. |
Excretion | The process of eliminating waste matter |
Exoskeloton | a rigid external covering for the body in some invertebrate animals |
Filter feeding | feeding by filtering out plankton or nutrients suspended in the water. |
Free-living | living freely and independently, not as a parasite or attached to a substrate |
Internal Transport | the act of moving something from one to another |
Invertebrates | an animal lacking a backbone |
Levels of organization | The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere. |
Life functions | The property or quality that distinguishes living organisms from dead organisms and inanimate matter |
Medusa | a free-swimming sexual form of a coelenterate |
Motility | motility is the ability to move spontaneously and actively, consuming energy in the process |
Motile | capable of motion |
Multicellular | having or consisting of many cells |
Niche | The specific area where an organism inhabits |
Open circulatory system | Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness |
Organ | a part of an organism that is typically self-contained and has a specific vital function |
Organ system | organ system is a group of organs that work together to perform one or more functions |
Parasite | an organism that lives in or on another organism and benefits by deriving nutrients at the host's expense |
Polyp | a solitary or colonial sedentary form of a coelenterate |
Reproduction | the production of offspring by a sexual or asexual process |
Respiration | a process in living organisms involving the production of energy |
Response | An action or movement due to the application of a stimulus |
Sessile | An organism fixed in one place |
Sexual Reproduction | the production of new living organisms by combining genetic information from two individuals of different types |
Symmetry | the quality of being made up of exactly similar parts facing each other or around an axis |
Tissue | any of the distinct types of material of which animals or plants are made |
Vertebral Column | Another term for spinal column |