The population growth rate in 2017 was 0.7%. If population growth includes changes due to natural increase and changes due to migration, does the stated population growth rate line up with what you would expect? A Yes No
20 Demographic Overview - Custom Region - United States Demographic Indicators 1995 2005 2015 2017 2025 Population Midyear population (in thousands) 266,278 295,517 321,040 325,719 347,335 Growth rate (percent) (NA) (NA) 0.8 0.7 0.7 Fertility Total fertility rate (births per woman) (NA) (NA) 1.9 1.9 1.9 Crude birth rate (per 1,000 population) (NA) (NA) 12 - 12 - 12 Births (in thousands) (NA) (NA) 3,981 3,941 4,185 Mortality Life expectancy at birth (years) (NA) (NA) 80 80 81 Infant mortality rate (per 1,000 births) (NA) (NA) - 6 6 5 Under 5 mortality rate (per 1,000 births) (NA) 7 7 6 Crude death rate (per 1,000 population) (NA) (NA) 8 8 9 Deaths (in thousands) (NA) (NA) 2,697 2,736 2,970 Migration Net migration rate (per 1,000 population) (NA) (NA) - 3 3 4 Net number of migrants (in thousands) (NA) (NA) 1,092 1,107 1,309
Spontaneous recovery is a theory of learning and memory which involves unexpected and recurrence of a conditioned response after a period of reduced response or delay. Spontaneous recovery is associated with classical conditioning and operant conditioning. Extinction will happen quickly after a spontaneous recovery, if the conditioned and unconditioned stimulus is not connected.
Answer: Plants, animals, and decomposers (which consume dead things) are in a forest ecosystem. Scientists are studying photosynthesis in the forest. Which group or groups of organisms should they study? A jungle ecosystem has plants, animals, and decomposers (which consume dead things).
