When hunting by humans causes a species to become extinct, this may produce damaging effects throughout the ecosystem of the extinct species. What is the cause of this damage?
A: alteration of a food web

Snapping a rubber band most likely produces which type of energy?
A: sound

The longitude of a location determines which time zone it is in. Different time zones are the result of
A: Earth's rotation

When specific hormones are present in the blood of a hen, an egg is released from an ovary. Which two systems are involved with the release of an egg?
A:
endocrine and reproductive systems