Wrong category (accounting) but the answer is vertebrates and invertebrates.
matter
Elephant and OSTRICH
Risk factors are divided into two categories: major and contributing. Major risk factors are as we age, our hearts tend not to work as well.
RAM LTM these are the two categories
Two general categories that science can be broken down into are biology and chemistry. Biology focuses on how animals and plants evolve while chemistry measures chemical reactions.
Bob the builder
DRAM and SRAM
volatile and nonvolatile
elctron and negatively
The two main categories are convenience goods and shopping goods; two lesser categories are specialty items and unsought goods.
Aristotle initially divided living organisms only into two groups which are plants and animals. The system was not proven to be good because there were too many species of plants and animals. However, the system was used for 2000 until the time of Linnaeus.
You tell me!