Biology, 03.08.2019 06:10, logan541972
in regions where malaria is present, it acts as a selective agent that favors the heterozygous phenotype, because people with sickle-cell trait produce more offspring than those with only normal hemoglobin, who may die of malaria.
(a) false.
(b) true.
Answers: 2
Biology, 21.06.2019 17:00, preciousweeks11
Microorganisms arenβt all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?
Answers: 1
Biology, 22.06.2019 02:00, karlaaag
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.
Answers: 3
Biology, 22.06.2019 05:00, itsstaytay200
Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis
Answers: 2
in regions where malaria is present, it acts as a selective agent that favors the heterozygous pheno...
Mathematics, 22.04.2020 03:31
History, 22.04.2020 03:31