Which of the following would be regarded as a density-independent factor in the growth of a natural population?

These density-independent factors include food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons. In addition, catastrophic factors can also impact population growth, such as fires and hurricanes.

Which of the following is regarded as a density-independent factor?

Factors include: food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size. All species populations in the same ecosystem will be similarly affected, regardless of population size. Factors include: weather, climate and natural disasters.

Which processes increase a population’s size?

What processes increase a population’s size? Births and immigration. (Immigration is the movement of individuals into a population, so births and immigration increase a population’s size.)

Which of the following is the most accurate statement about the earth’s carrying capacity K for humans?

Which of the following is the most accurate statement on Earth’s carrying capacity for humans? Our technology has allowed the human population to keep increasing K. Why does the U.S. population continue to grow even though the United States has essentially established a zero population growth (ZPG)?

Which of the following is regarded as a density-dependent factor?

Density-dependent factors include competition, predation, parasitism and disease.

What are examples of density independent?

Most density-independent factors are abiotic, or nonliving. Some commonly used examples include temperature, floods, and pollution.

In what conditions would you expect to find logistic growth?

When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce, leveling off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.

When solar energy reaches Earth it is in the form of quizlet?

The sun’s energy reaches earth in the form of radiation. 99% of radiant energy from the sun consist of visible light, and infrared radiation. Radiation is the transfer of energy by electronic waves. You just studied 16 terms!

What might happen if the Earth exceeds its carrying capacity?

We alter carrying capacity when we manipulate resources in a natural environment. If a population exceeds carrying capacity, the ecosystem may become unsuitable for the species to survive. If the population exceeds the carrying capacity for a long period of time, resources may be completely depleted.

What conditions may occur when a population is in exponential growth?

In exponential growth, a population’s per capita (per individual) growth rate stays the same regardless of population size, making the population grow faster and faster as it gets larger. In nature, populations may grow exponentially for some period, but they will ultimately be limited by resource availability.

How does logistic growth occur?

When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce, leveling off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.

What might cause a population experiencing exponential growth to transition to logistic growth?

When the population size, N, is plotted over time, a J-shaped growth curve is produced. Figure 45.2A. 1: Exponential population growth: When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth.

When would a population exhibit exponential growth quizlet?

When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce.

What leads to exponential growth?

Exponential growth is a process that increases quantity over time. It occurs when the instantaneous rate of change (that is, the derivative) of a quantity with respect to time is proportional to the quantity itself.

What does it mean if a population demonstrates exponential growth?

What does it mean for a population to be in EXPONENTIAL POPULATION GROWTH? If a population is in exponential population growth, then the population is increasing under ideal conditions (abundant food and freedom to reproduce at physiological capacity).

What does exponential growth result in quizlet?

What does exponential growth result in? a population explosion.

How does logistic growth occur quizlet?

Logistic growth occurs when there are limited resources due to competition; it slows, stops, and has a period of exponential growth. Exponential growth occurs when there is unlimited resources due to little competition; individuals produce at a constant rate.

Which of the following are two ways that can cause a population to decrease in size?

The two factors that decrease the size of a population are mortality, which is the number of individual deaths in a population over a period of time, and emigration, which is the migration of an individual from a place.

What is exponential growth geology quizlet?

Exponential population growth. Accelerating population growth rate that occurs when optional conditions allow constant growth rate. The faster it grows. The larger the population gets. Populations can not produce at their intrinsic rate of increase for an infinite period of time.

What physical factors would tend to increase population in an area?

B. Physical Factors
  • Relief and landforms. Lowland plains, flat river valleys and deltas and volcanic areas with fertile soil tend to have high population densities. …
  • Weather and climate. …
  • Soil type and quality. …
  • Water supply. …
  • Vegetation. …
  • Raw materials/natural resources. …
  • Natural threats.

Why is an exponential growth curve also called AJ curve?

exponential growth results in a J-Shaped growth curve because, when plotted on a graph, the population’s increase resembles the letter J. a form of population growth in which exponential growth slows and then stops in response to environmental resistance.