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What is a re-created ecosystem in a laboratory environment known as? a. mesocosm b. simulation c. microcosm d. duplication

Short Answer

Expert verified
c. microcosm

Step by step solution

01

Understanding the Question

The exercise asks for the term used to describe a re-created ecosystem in a laboratory.
02

Reviewing Options

Examine each of the provided options to understand their meanings.
03

Option A: Mesocosm

A mesocosm is an outdoor experimental system that examines the natural environment under controlled conditions. Since it is outside, it's not the best fit for a laboratory environment.
04

Option B: Simulation

A simulation involves modeling an environment or system, often using a computer. It isn't necessarily tied to the physical recreation of an ecosystem.
05

Option C: Microcosm

A microcosm is a small, controlled environment where scientists replicate and study ecosystems in a laboratory. This matches the requirement of a laboratory-based recreated ecosystem.
06

Option D: Duplication

Duplication refers to the process of copying something. It is not a specific term used for ecosystems.
07

Selecting the Best Answer

Based on the definitions, the term that best describes a recreated ecosystem in a laboratory environment is 'microcosm'.

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Key Concepts

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

laboratory-recreated ecosystem
A laboratory-recreated ecosystem is known as a microcosm. Scientists create these miniaturized ecosystems to study natural processes in a controlled and scalable way. In a microcosm, researchers can simulate an entire ecosystem, including plants, animals, and microorganisms. This allows them to observe interactions and behaviors that would normally occur in a much larger environment.
Microcosms are highly valuable in ecological studies because they provide a simplified version of the natural world. This simplification helps scientists isolate specific variables and understand complex interactions. For example, they might study how nutrient cycles work or how pollution affects biodiversity.
By recreating ecosystems in the lab, microcosms eliminate many of the uncertainties found in field studies. Scientists can control factors such as light, temperature, and humidity. These controlled conditions ensure more consistent and reliable results. Microcosms also allow for replication of experiments, which is essential for verifying scientific findings.
controlled environment
A controlled environment in the context of a microcosm means that scientists can manipulate various factors to observe their effects individually. This is crucial for understanding cause-and-effect relationships in ecosystems.
In a controlled environment, variables like temperature, humidity, light intensity, and nutrient availability can be precisely regulated. This level of control is almost impossible to achieve in a natural setting.
  • Temperature Control: Allows scientists to study how temperature variations affect different components of the ecosystem.
  • Light Control: Vital for understanding photosynthesis and how light affects plant growth and behavior.
  • Humidity Control: Helps in studying how moisture levels impact various organisms and biological processes.
Creating a controlled environment also means potential risks can be minimized. Unpredictable environmental changes won't impact the research outcomes, making studies more reliable and reproducible. These controlled settings are essential for experiments that require strict monitoring and precise data collection.
ecosystem study
Ecosystem studies are essential for understanding how living and non-living components interact within an environment. By using microcosms, researchers can perform detailed ecosystem studies that reveal intricate relationships and processes.
Ecosystem studies in microcosms focus on various aspects, including:
  • Food Webs: Investigating predator-prey relationships and energy transfer between trophic levels.
  • Biogeochemical Cycles: Understanding nutrient flows and chemical cycles like carbon and nitrogen cycling.
  • Species Interactions: Observing mutualism, competition, and other interactions among species.
These studies provide insights that help in conservation efforts and environmental management. For example, understanding how pollutants affect an ecosystem can inform policies to protect natural habitats. Microcosm studies often serve as preliminary investigations before large-scale, real-world applications. The controlled data obtained helps in predicting how ecosystems might react to various stressors, guiding informed decision-making for sustainable environmental practices.

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Most popular questions from this chapter

Compare the three types of ecosystem pyramids and how well they describe ecosystem structure. Identify which ones can be inverted and give a specific example of an inverted pyramid for each. a. The three types of ecosystem pyramids are pyramids of energy, number and biomass out of which number and energy pyramids can be inverted. Examples of inverted pyramids of number and energy are temperate forests in summer and phytoplankton in the English Channel respectively. b. The three types of ecosystem pyramids are pyramids of energy, number and biomass out of which number and biomass pyramids can be inverted. Examples of inverted pyramids of number and biomass are temperate forests in summer and phytoplankton in the English Channel respectively. c. The three types of ecosystem pyramids are pyramids of energy, number and biomass out of which number and biomass pyramids can be inverted. Examples of inverted pyramids of number and biomass are temperate forests in summer and Silver Springs ecosystem in Florida respectively. d. The three types of ecosystem pyramids are pyramids of energy, number and biomass out of which number and biomass pyramids can be inverted. Examples of inverted pyramids of number and biomass are grasslands in summer and phytoplankton in the English Channel respectively.

What law of chemistry determines how much energy can be transferred when it is converted from one form to another? a. the first law of thermodynamics b. the second law of thermodynamics c. the conservation of matter d. the conservation of energy

What are usually the primary producers in an ocean grazing food web? a. plants b. animals c. fungi d. phytoplankton

Studies on stickleback fish revealed that the presence of two species of stickleback reduced the amount of algal blooms relative to the presence of one species of stickleback in a microcosm experiment. How does this occur? a. This occurred as the presence of two species caused an increase in dissolved organic carbon molecule size, which blocked the penetration of light in water and prevented algal photosynthesis. b. This occurred because two stickleback species consumed all the nutrients which prevented algae from being able to grow. c. This occurred because dissolved organic carbon molecule size increased in the presence of one fish species which increased the amount of algal blooms. d. This occurred as algae are consumed in more amounts in the presence of two stickleback species.

What is the primary factor that limits the length of food chains in ecosystems? a. low energy transfer efficiency between trophic levels b. too much net primary productivity c. excess assimilation d. low gross primary productivity

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