Which of the following is a function of the placenta? : mixing the blood of the mother and the fetus protecting the fetus from drugs, such as alcohol, in the mother's body providing nutrients to the fetus cushioning and protecting the fetus

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.