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Humans have influenced their own carrying capacity in several ways. Some human activities increase carrying capacity while others decrease it. Identify a human activity that has decreased the human carrying capacity of the environment. a. agriculture b. using large amounts of natural resources c. domestication of animals d. use of language

Short Answer

Expert verified
b. using large amounts of natural resources

Step by step solution

01

- Understand the Concept of Carrying Capacity

Carrying capacity is the maximum number of individuals that an environment can sustainably support without degrading the environment.
02

- Evaluate Each Option

Consider how each activity impacts the environment: (a) Agriculture can increase carrying capacity by providing more food. (b) Using large amounts of natural resources can deplete resources, decreasing carrying capacity. (c) Domestication of animals can provide more food and labor. (d) Use of language enhances communication and societal organization.
03

- Identify the Activity that Decreases Carrying Capacity

Using large amounts of natural resources (option b) depletes the environment's resources and reduces its ability to support a large population over the long term.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Human Activities
Human activities play a crucial role in determining the carrying capacity of our environment. Many of our actions directly impact the resources available and the overall health of our planet. For instance, agriculture has allowed us to grow more food and thus support a larger population. However, it also leads to soil erosion and habitat destruction if not managed responsibly.

Another significant activity is the domestication of animals. This has not only provided humans with an additional food source but also labor. Despite those positives, there are environmental costs like overgrazing and pollution.

Additionally, the use of language has fostered better communication and societal organization, leading to advancements in technology and medicine. These improvements have, in many cases, increased our carrying capacity.
Natural 91Ó°ÊÓ Depletion
The use of large amounts of natural resources significantly decreases the carrying capacity of the environment. Natural resources such as water, fossil fuels, minerals, and timber are finite. When humans exploit these resources excessively, we risk running out of essential materials necessary for our survival.

This depletion impacts various spheres of life:
  • Resource Scarcity: Limited availability of essential resources can cause conflicts and drive prices up, making them inaccessible to many people.
  • Environmental Degradation: Extracting natural resources often leads to deforestation, soil erosion, and water contamination, which further harm the environment.
  • Biodiversity Loss: Overutilization of natural habitats for resource extraction often leads to a decline in wildlife populations and plant species, disrupting ecosystems.

Understanding and mitigating the exploitation of our natural resources is essential for maintaining a sustainable environment.
Sustainable Environment
Creating a sustainable environment is crucial for maintaining our planet's health and ensuring resources for future generations. A sustainable environment means using resources efficiently and responsibly to avoid depletion.

To achieve this, humans must focus on several key principles:
  • Renewable 91Ó°ÊÓ: Utilize resources that replenish over time, such as solar energy, wind power, and sustainable agriculture, to reduce dependency on finite resources.
  • Conservation Efforts: Promote activities that protect and restore natural habitats, forests, and water bodies. This includes protecting endangered species and reducing waste.
  • Green Technology: Innovation in energy-efficient technologies and recycling processes can help reduce the ecological footprint of human activities.
  • Education and Awareness: Increasing public knowledge about sustainability practices can lead to more environmentally conscious decisions and policies.

Balancing human needs with environmental health is essential for achieving a truly sustainable environment.

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Most popular questions from this chapter

Humans began developing oil as an energy source in the early part of the twentieth century. Explain the relationship between this development and the human carrying capacity of Earth. a. Drilling for oil enabled humans to increase food production through the use of machinery, which increased the human carrying capacity of the Earth. b. Oil production allowed new transportation methods faster than methods using animals, which decreased the human carrying capacity of the Earth. c. Accessing oil as an energy source created increased greenhouse gas emissions, which increased the human carrying capacity of the Earth. d. Oil as an energy source enabled humans to enjoy more recreational activities, which decreased the human carrying capacity of the Earth.

The term polyandry comes from the Greek words for ‘many’ and ‘man.’ Based on these word origins, describe a polyandrous mating system. a. One male mates with many females. b. One female mates with one male. c. One female mates with many males. d. Many females mate with one male.

A researcher is interested in investigating whether the croaking pattern produced by males in a frog species is a learned behavior or an innate behavior. Which of the following would best help the researcher answer this question? a. genetic analyses of adult male frogs raised in isolation and in multigenerational frog communities b. field observations of adult frogs in their native habitat during mating season c. video recordings of individual frogs raised in large multigenerational frog communities d. audio recordings of individual frogs at sexual maturity after being raised in total isolation

Explain how rmax would be expected to differ for an elephant and a flea, and how that changes the time scale over which populations of these two animals would be studied. a. rmax would be greater for an elephant as elephant reproduces at a faster rate than flea. A shorter time scale would be used to study changes over several elephant generations. b. rmax would be greater for a flea as flea reproduces at a faster rate than elephant. A shorter time scale would be used to study changes over several flea generations than over several elephant generations. c. rmax would be greater for a flea as flea reproduces at a faster rate than elephant. A longer time scale would be used to study changes over several flea generations than over several elephant generations. d. rmax would be greater for an elephant as the elephants grow at an exponential rate so the population growth rate is greatly increased. A shorter time scale would be used to study changes over several elephant generations.

Mammals such as humans show a behavior known as the flight or fight response. Explain how natural selection was likely involved in the development of this behavior that can be observed in humans today. a. Individuals showing fight or flight behavior was more likely to survive than individuals lacking the trait. This trait got randomly selected by natural selection, thus became preferentially incorporated into the human lineage. b. Individuals showing fight or flight behavior were more likely to survive than individuals lacking the trait. Sudden, inheritable changes were naturally selected, which included the fight or flight behavior. Thus, this response was incorporated into the human lineage. c. Individuals showing fight or flight behavior were more likely to survive than individuals lacking this trait. Therefore surviving individuals passed on their trait to offspring while nonsurviving individuals do not. Thus, this response became incorporated into human lineage. d. Individuals showing fight or flight behavior were not more fit than individuals lacking this trait. However, the trait was selected by natural selection due to a random chance event in the gene frequency of individuals showing fight or flight behavior

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