Choose a pair that correctly associates the mechanism for osmoregulation or nitrogen removal with the appropriate animal. choose a pair that correctly associates the mechanism for osmoregulation or nitrogen removal with the appropriate animal. protonephridium: earthworm malpighian tubule: frog exchange across the body surface: snake flame bulb: flat worm

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.