Examlex
The Julian Calendar was a lunar calendar with an extra month added in order to keep festival dates at the appropriate time of the year.
Reproductive Rate
The average number of offspring produced by an organism or population, influencing its ability to sustain or grow its numbers over time.
Extinct Species
Extinct species are those species of organisms that no longer exist on Earth, having completely disappeared from the biological diversity.
Extinct Rate
The rate at which species permanently disappear from Earth, often accelerated by human activities and environmental changes.
Species
A group of organisms that can interbreed and produce fertile offspring, sharing common genetic heritage.
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