Why are whales classified as mammals

How can you tell the difference between rough er from smooth er?

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

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?