Why Are Plesiadapiforms Not Considered True Primates

question 44

Multiple Choice

Why are plesiadapiforms not considered true primates?

• A) They lacked stereoscopic vision and grasping hands.
• B) They were not mammals.
• C) They had highly mobile elbow joints.
• D) They appear too early in the fossil record to be related to primates.

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Definitions:

Green Algae

Diverse group of photosynthetic organisms found primarily in aquatic environments, important for oxygen production and as a base in the food web.

Land Plants

Plants that have adapted to live in terrestrial habitats, exhibiting features such as roots, stems, and leaves for survival on land.

Red Tides

A phenomenon caused by algal blooms that turn the sea or other bodies of water a red or reddish color, often resulting in toxic effects on marine life.

Dinoflagellates

A group of single-celled organisms found in marine and freshwater environments known for their role in aquatic food chains and some can cause red tides.