1. che cosa sono i gameti?
2. qual è il corredo cromosomico dell’essere umano?
3. in che cosa consiste il crossing over?
4. quali sono le differenze più significative fra meiosi e mitosi?
5. che cosa accadrebbe se i gameti avessero un corredo cromosomico 2n?

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.

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?