What is the best reason that bright-colored feathers could be an adaptationfor a bird living in a temperate forest?

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Which type of neuron stimulates muscles to contract?

In a village where the proportion of individuals who are susceptible to malaria is .70 and population is at hardy-weinberg equilibrium what population is heterozygous hba/hbs