AP Biology Homework

A. Find answers to the following questions using the current World Population Data Sheet. Use your blank world maps to locate, shade, and label the countries identified in the questions that follow.

Ecology is how organisms interact with each other and the environment. The Lion King is linked to ecology by showing how organisms interact with each other and the environment. My three topics are how symbiotic relationships are important to a community, how limiting factors affect a community, how communities respond to abiotic or biotic factors, and how this is linked to the movie and Ecology. Symbiotic Relationships are interactions between two species and how they affect each other. There are three different types of symbiotic relationships Mutualism, Commensalism, and Parasitism.

As defined by “Environmental Science- 14th Edition”, an ecosystem is “a set of organisms within a defined area or volume that interact with one another and with their environment of nonliving matter and energy.” I will be using the computer simulation to alter the interactions of the organisms in the ecosystem to see what changes occur.

Understanding how organisms interact with each other and their ecosystems is an important aspect of conservation. Ecology will include the ecology of a diversity of species and environments such as wildlife ecology and freshwater ecology. An understanding of ecology allows for better management of human impacts on the environment. Ecology also provides necessary conservation tools such as ways to model and organize ecosystems, which is necessary for areas such as wildlife management. Ecology will allow me to understand the dispersal, migration, and population dynamics of species; having an understanding of ecology is essential when working to create solutions for environmental problems that species face, for example, in stabilizing populations of endangered

Ecological theory describes four levels of the environment that interconnect and impact people. Moving from the most intimate individual system to a broader inclusion you can identify the many systems that play a role in individual’s lives and well-being. These interactions could be harmonious and create homeostasis or could be disharmonious and cause stress.

Despite the population increase being a small number in calculation when

There are numerous means in which mercury can enter the environment. Early stages of mercury arise both naturally and anthropogenic, and can be naturally

4. On the phase four, the demographic regimen modern is typical of post-industrial societies and is characterized by the significant decrease of birth rate which is almost equal to death rate. Consequently, with both rates in similar figures, for very low, the Natural population growth is very low or almost zero.

An ecosystem is a system formed by the interaction of a community of organisms with their environment. Ecology is a branch of biology having to deal with the relations and interactions between organisms, their environment, and other organisms. A community in an ecosystem is an assemblage of interacting populations occupying a given area. A habitat is an area or environment where an organism or an ecological community lives. There is a large diversity in an ecosystem, for example, the species, environment, and the plant diversity in the ecosystem. It’s difficult to model ecosystems because the model needs to be accurate and as well as precise.

The classic example of this model is the story of the Indian rice story. A king challenged a traveler to a game of chess and, if the traveler won, he could ask for any reward he would like. The traveler asked to be paid in rice, starting with one grain on the first day and doubling in amount each subsequent day for the rest of his life. Thinking this was a small request, the king agreed and lost. However, what he did not realize is by the twentieth day, the king would be paying the traveler one million grains of rice. This demonstrates the powerful effect of exponential growth on a population size.

The demographic model shows if population increased or decreased in all countries due to their economy stability. If there were countries with high death and birth rate, what the factors that contributed to the high or low rates such as not enough food, or what diseases people were getting to make those rates increase.

“Population Growth” is defined as the evolution in the figure of individuals residing within a state, and can be classified into either positive or negative rate, which can be expressed as a percentage of population at the start of that period. It reflects the number of births and death and the number of people migrating to and from a country during a particular period and these quantities vary periodically. Nevertheless, the differences can be distinguish, positive population growth rate can be attained only when there are more conceived birth rates than death rates in a given time period normally annually and vice versa for negative growth rate. (GEE, ELLEN M, 2002)

Ecology and diversity both focus on the measurable properties of size, types, importance, disparity, and unevenness. In the field of ecology, the understanding of diversity sophisticates with a quantitative linguist viewing diversity as a statistical analysis. Whereas, an ecologist state 's diversity as numbered species (Jarvis, 2013).

Ecosystem is a natural system consists of all the biotic component in a community interacting with each other as well as with all the abiotic factors to form a stable and balanced system. Terrestrial ecosystem which is land-based ecosystem includes tundra, taiga, temperate deciduous forest, tropical rain forest, grassland and desert. Aquatic ecosystem is the ecosystem in the water. It is an interacting system of resources such as water and biota. Water acts as limiting factor that distinguishes aquatic ecosystem from terrestrial ecosystem and results in differences from many aspects like size structure, growth rate and nutrient stoichiometry.

A nation can experience a series of fluctuations in its total population. According to Barker et al. (2008), the DTM is composed of five stages (the high fluctuating, early expanding, late expanding, and low fluctuating and decline stage). The DTM model explains how birth and death rate changes over time; these changes are entirely dependent upon economic development. For instance, death rates drop rapidly as a country begins to