question: Given the fact "An example of hunting is an otter cracking open clams with a rock", what is the answer to "If a living thing is making an effort to obtain nutriment, then that thing is likely"

answer: hunting

question: Given the fact "a closed circuit has continuous path", what is the answer to "a switch turns something with a power source on because:"

answer: a piece of copper closes the circuit

question: Given the fact "photosynthesis means producers convert from carbon dioxide, water, and solar energy into food for themselves", what is the answer to "What does a four leaf clover need to feed itself?"

answer: the sun

question: Given the fact "an ecosystem contains nonliving things", what is the answer to "What is part of an ecological system?"

answer:
waterfalls