Title: אופציונלי

Text: The populations of many short-lived animals, or those living in variable environments, go through a period of exponential growth, followed by a sudden crash (boom and burst curve). The crash occurs before the population reaches the carrying capacity; it is due to a density-independent limitation such as weather or other physical environmental factors. כל פסקה תהיה מבחן.

Save test: השתמש בזה אם אתה רוצה לשתף את המבחן הזה בהקלדה (רק למשתמשים מאומתים).