According to the Biological Species concept organisms must two major criteria. Select the two criteria.
they must be able to reproduce; meaning the mating must produce an offspring.
the offspring must be fertile; meaning the offspring must also be able to reproduce
they must be able to reproduce; the resulting offspring must be infertile
they must not be able to reproduce

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.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Explain the process that creates the heat of the sun?