What do the meninges and the cerebrospinal fluid have in common?
Both help information pass through the spinal cord.
Both are involvenijn protecting the brain.
Both affect sleeping and waking patterns.
Both are involved in physical coordination and balance.

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