Across
- 2. the amount by which a population size changes in a given time
- 5. is the spatial distribution of individuals within the population
- 6. gathering animals and gathering roots was called the way of life
- 8. measures how crowded a population is
- 11. resource limitations triggered by increasing population density
- 13. show the probability that members of a population will survive to a certain age
- 14. is a group of organisms that belong to the same species and live in a particular place at the same time
- 16. the number of individuals the environment can support over a long period of time
- 17. the number of births occurring in a period of time
- 18. is the movement of individuals out of a population
- 19. population growth builds on the exponential model accounts for the influence of limiting factors
Down
- 1. led to the profound changes in every aspect of life
- 3. the distribution of individuals among different ages in population
- 4. any factor such as space that restrains the growth of a population
- 5. such as weather,floods,and fires reduce the population by the same size proportion regardless of the populations size
- 7. the observation that populations can grow in a pattern
- 9. the number of deaths occurring in a period of time
- 10. is the movement of individuals into a population
- 12. how long on average an individual is expected to live
- 15. mating with relatives