by making a single observation
by performing a controlled experiment
by answering a series of questions
Answer:
C.) By performing a controlled experiment
Explanation:
Edge 2021
The frog's vestigial thumb may provide some vestigial functions like clinging or handling prey. Like opposable thumbs in primates, it's a remnant from evolution, and may aid in survival-oriented activities or serve no current significant purpose.
The frog's vestigial thumb, much like opposable thumbs in primates, is believed to be a trait left over from previous evolutionary stages. While its function in frogs is not fully understood, it is suggested that vestigial structures like the thematic thumb could still retain some functional or minimal purpose, potentially related to clinging or handling prey. For example, in primates, the opposable thumbs and toes are an adaptive trait providing the ability to effectively grasp branches, cling onto surfaces, and hold objects which contributes vastly to their survival in arboreal environments.
Although in frogs the thumb likely doesn't grant the same mobility or dexterity as in primates, its presence may still aid in activities like feeding, movement, or escaping from predators. Also, it's important to note that not all traits are formed for survival or adaptive purposes and could be neutral or nonadaptive, serving no current significant function or benefit.
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B. Places of worship
C. Trading posts
D. Military encampments
The correct answer is option B. Places of worship.
The Chavin culture is one of the ancient civilizations, which is extinct now. The Chavin buildings were built by the people living that era. These buildings are the archaeological sites, and many artefacts are found in these buildings. The buildings are now used as a place of worship now a days. The buildings are found in Peru, and thought to be constructed around 1200 BC.