What is the difference between a genotype and phenotype

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?