how can biology be studied at different scale
How can biology be studied at different scales in level...
The Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras
The Geologic Time Scale is the history of the Earth broken down into four spans of time marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one era from another.
How do eras differ from periods?
Very significant events in Earth’s history are used to determine the boundaries of the eras. Eras are subdivided into periods. The events that bound the periods are wide-spread in their extent but are not as significant as those which bound the eras.
What is the longest time period?
eon, Long span of geologic time. In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Three eons are recognized: the Phanerozoic Eon (dating from the present back to the beginning of the Cambrian Period), the Proterozoic Eon, and the Archean Eon.
What is a word for change over time?
vb. 1 alter, convert, diversify, fluctuate, metamorphose, moderate, modify, mutate, reform, remodel, reorganize, restyle, shift, transform, transmute, vacillate, vary, veer.
What is another word for change over time?
In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for changeover, like: shift, alteration, transition, mutation, conversion, switch, change-over, change, metamorphosis, transfiguration and transformation.
What do you call something that changes all the time?
Adjective. Changing or varying at regular intervals. erratic. dynamic.
What is a synonym for natural?
normal, common, everyday, legitimate, logical, ordinary, regular, typical, usual. unaffected, genuine, ingenuous, open, real, simple, spontaneous, unpretentious, unsophisticated. innate, characteristic, essential, inborn, inherent, instinctive, intuitive, native. pure, organic, plain, unrefined, whole.
What is the word for nature?
Some common synonyms of nature are character, description, kind, sort, and type. While all these words mean “a number of individuals thought of as a group because of a common quality or qualities,” nature may imply inherent, essential resemblance rather than obvious or superficial likenesses.
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