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A bear with a salmon. Interspecific interactions such as predation are a key aspect of community ecology.. In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage.
All species of termites are eusocial, and it is believed that they were the first eusocial animals to evolve, sometime in the upper Jurassic period (~150 million years ago). [62] The other orders shown contain both eusocial and non-eusocial species, including many lineages where eusociality is inferred to be the ancestral state.
An animal that exhibits a high degree of sociality is called a social animal. The highest degree of sociality recognized by sociobiologists is eusociality . A eusocial taxon is one that exhibits overlapping adult generations , reproductive division of labor , cooperative care of young, and—in the most refined cases—a biological caste system .
An intimate community is one in which some members recognize and are recognized by all of the others, and most of the members recognize and are recognized by many of the others. This is in contrast to (usually larger) communities where members are known and interact mostly within their own subgroup, such as neighborhood, department, or occupation.
Solitary life in animals is considered to be the ancestral state of living; and group living has thus evolved independently in many species of animals. [2] Therefore, species that form groups through social interaction will result in a group of individuals that gain an evolutionary advantage, such as increased protection against predators ...
Population is the term typically used to refer to the number of people in a single area. Governments conduct a census to quantify the size of a resident population within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and plants, and has specific uses within such fields as ecology and genetics.
African elephants call each other and respond to individual names — something that few wild animals do, according to new research published Monday. Scientists believe that animals with complex ...
However, it is not as popular among other species. Alloparenting is rare among classes of animals such as birds and mammals, with only about 3% of mammals exhibiting this parenting style, but this does not mean it does not occur. [3] [4] In species that alloparent, it has been seen that offspring grow at faster rates and are often weaned ...