TERMINOLOGY GR 7 Flashcards
what is a zoologist
an expert in plants and animals
solvent means
liquid that is used to dissolve a substance
metabolism means
the collective name for chemicals reactions that take place within cells
metabolite
a substance that is necessary for metabolic processes , or a substance that is formed during metabolism
hydraulics
the use of liquid, under pressure, to bring an object into motion
haemolymph
a fluid found in the body cavities and tissue of invertebrates (similar to blood in vertebrates)
trachea
fine and delicate tubes that transport oxygen to the body tissues of certain invertebrates
metamorphosis
when an amphibian or insect undergoes a complete transformation (consisting of 2 or more phases) from a juvenile to an adult form
parasite
an organism that lives in or on another organism and benefits by obtaining all its nutrients from that organism at the expense of the other organism
chemoreceptors
a cell or organ that reacts to chemical stimuli
By-product
a secondary product, for example, produced or secreted as part of a process
life processes
processes that living organisms need in order to live
Taxonomy
the system used to claaify all living organisms found on earth
diffusion
the movement of molecules from a high concentration to a low concentration,for example, oxygen molecules that move through a membrane
sample
a small part of a substance,plants or animals, or one item of a group or class that is used for a study or tests to represent the whole group or class
