Match the following terms and definitions: 1. a feature that identifies and distinguishes one living thing from another 2. a two-choice sorting device used in taxonomy 3. a sorting device made up of a system of choices, as used in taxonomy answers choices: dichotomous key characteristic key

1-characteristics

2-dichotomous key

3-key

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thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.