Animals body temperature varies with it’s environment e.g. Almost all ectotherms
Poikilothermy
Animal maintains a relatively constant body temp e.g. Almost all endotherms
Homeothermy
Developed young able to feed and care for themselves
Precocial
Undeveloped young not able to feed or care for themselves
Altricial
The maximum number if offspring an organism can produce under ideal conditions
Biotic potential
The maximum number of organisms that a habitat can support without damage to the habitat
Carrying capacity