ACTIVITIES COMMON TO ALL ANIMALS . 
3 1 
VOCABULARY. 
A nat'o my (Gr. ana, up, and 
temno, cut), the science which 
treats of the structure of organ¬ 
isms. 
Bi ol'o gy (Gr. bios , life, and logos, 
a discourse), the science of living 
things. 
Bot'a ny (Gr. botania, a plant), 
that part of Biology which treats 
of plants. 
Car'bon (Lat. carbo, coal), an ele¬ 
ment found in all organic com¬ 
pounds; charcoal, graphite, and 
diamonds are forms of this ele¬ 
ment 
Car'bon di ox'ide, a heavy, color¬ 
less gas, formed by the breathing 
of animals and by the burning 
of substances containing car¬ 
bon. 
Ex cre'tion (Lat. ex, out, and cer- 
no, separate), the act of throw¬ 
ing off waste matters from the 
body. 
Func'tion (Lat. fungor, execute), 
the action of any part or organ of 
a plant or animal. 
His tol'o gy (Gr. hist os, a web, or 
tissue, and logos'), the study of 
minute anatomy. 
Hy'dro gen (Gr. hydor, water, and 
gignomai , be born), a colorless, 
gaseous element forming a part 
of water. 
In or gan'ic, not organic. 
Mag ne'si um (Gr. Magnesios , a 
district in Thessaly), a silver- 
white, solid, metallic element. 
Mat'ter (Lat. materia, stuff), any¬ 
thing having extension. 
Ni'tro gen (Gr. nitron, nitre, and 
gignomai), a colorless, gaseous 
element composing four fifths of 
the air. 
Nu tri'tion (Lat. nutrio, feed), a 
series of processes by which liv¬ 
ing things maintain their life and 
growth by appropriating food. 
Or gan'ic (Gr. organon, an organ), 
pertaining to plants and animals. 
Ox i da'tion, the process of uniting 
chemically with oxygen. 
Or'gan ism, a living plant or ani¬ 
mal. 
Ox'y gen (Gr. oxys, sharp, and 
gignomai), a colorless, gaseous 
element, forming one fifth of the 
air. 
Phys i ol'o gy (Gr. physis, nature, 
and logos), the science which 
treats of living things. 
Zo ol'o gy (Gr. zoon , an animal, 
and logos), that part of biology 
which treats of animals. 
