How much time is needed to form most fossils? A few months B few years C hundreds of years D millions of years.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Why are common names a problem for scientist?

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