Em uma indústria é produzido um lote diário de parafusos. Cada lote tem sempre a mesma quantidade de parafusos, que são todos idênticos. Para essa produção, são utilizadas, simultaneamente, 5 máquinas, que trabalham com o mesmo desempenho e gastam, juntas, 390 minutos para produzir o lote diário. Devido a um corte de despesas, 2 dessas máquinas foram vendidas, e esse lote diário passou a ser produzido pelas 3 máquinas restantes, que continuaram a trabalhar juntas. Em quantos minutos as 3 máquinas restantes dessa indústria, trabalhando juntas, passaram a produzir esse lote diário de parafusos? 234 minutos. 392 minutos. 650 minutos. 975 minutos.

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino