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Describe and give examples to illustrate the following forms of children's play from infancy to age 4: solitary play,parallel play,associative play,and cooperative play.
Exotic Species
Organisms introduced to new environments where they are not naturally found, often causing harm to native species and ecosystems.
Indicator Species
Organisms used to assess the health of an environment or ecosystem because their presence, abundance, or lack thereof reflects specific environmental conditions.
Keystone Species
A species that has a disproportionately large impact on its ecosystem, influencing the types and numbers of other species in a community.
Pioneer Species
First species to colonize previously disrupted or damaged ecosystems, initiating an ecological succession that leads to a more biodiverse steady-state ecosystem.
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