Examlex
In Bronfenbrenner's ecological systems theory, which of the following represents the time dimension, or the fact that the other four levels of ecology change over time?
Homo Heidelbergensis
An extinct species of archaic humans that lived approximately 600,000 to 200,000 years ago, known for their large braincase and robust build.
Homo Erectus
An extinct species of human that lived between 1.9 million and 143,000 years ago, known for their upright walking ability.
Morphological Traits
Physical characteristics of organisms, such as shape, size, and structure, that can differ significantly within and between species.
Chordates
A large group of animals that includes all vertebrates as well as two groups of invertebrates, characterized by having a notochord at some stage of development.
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