Answers
Organisms who have trait variations that are advantageous are more likely to survive and reproduce, while organisms who have disadvantageous traits are less likely to survive and reproduce. This is because advantageous traits provide the organism with an increased ability to compete for resources, avoid predators, and adapt to changing environments. Organisms with disadvantageous traits are less able to compete for resources, and may be more vulnerable to predation or environmental pressures.
For example, consider a population of gazelles. If some gazelles have longer legs that allow them to run faster and escape predators more easily, these individuals are more likely to survive and pass on their advantageous trait to their offspring. On the other hand, if some gazelles have a genetic mutation that makes them more prone to disease, they may be less likely to survive and reproduce.
Over time, natural selection favors advantageous traits and weeds out disadvantageous traits, resulting in the evolution of populations better adapted to their environments. This is a fundamental principle of evolution and helps explain the diversity of life on Earth.
Related Questions
grade 12 reserch geography what caused cyclone (freddy)
Answers
Answer:
As climate change causes warmer oceans, heat energy from the water's surface is fuelling stronger storms.
Explanation:
How far has the water table fallen in and around the san joaquin valley
Answers
According to a report by the California Department of Water Resources, the water table in some areas of the San Joaquin Valley has dropped by more than 100 feet since the 1920s.
There are several reasons for the declining water levels. One major factor is the increased extraction of groundwater for irrigation and other uses. Farmers in the region have relied heavily on groundwater to irrigate their crops, as surface water supplies have become increasingly limited.
The severe droughts that California has experienced in recent years have also contributed to the decline in the water table, as less water is available to recharge the groundwater aquifers. Additionally, climate change is expected to exacerbate the problem by reducing the amount of water available for both surface and groundwater supplies.
The decline in the water table has led to a number of problems, including land subsidence, or sinking, which can damage infrastructure such as roads and buildings. It has also resulted in declining water quality, as deeper wells often draw water that is more saline or contaminated with pollutants.
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which country in the horn of africa lies along the red sea
Answers
Answer:
Eritrea
Explanation:
The strategic importance of Eritrea, due to its Red Sea coastline and mineral resources, was the main cause for the federation with Ethiopia, which in turn led to Eritrea's annexation as Ethiopia's 14th province in 1962.
discuss Approach and techniques of geographical studies
Answers
Answer:
Geographical studies employ a range of approaches and techniques in order to investigate and analyze the interactions between physical, human, and environmental systems. Some of the key approaches and techniques of geographical studies include:
1. Fieldwork: Geographical studies rely heavily on fieldwork, which involves observing and gathering data from a specific location or area. Fieldwork can involve a range of methods, including surveys, interviews, and direct observation.
2. Remote Sensing: Geographical studies also employ remote sensing techniques such as aerial photography, satellite imagery, and LiDAR scanning to capture data about large areas of land and spatial trends over time.
3. GIS: Geographic Information Systems (GIS) are a key tool in geographic studies. GIS allows researchers to collect, analyze, and display spatial data in a variety of ways, including maps, graphs, and histograms.
4. Spatial Analysis: Geographical studies involve spatial analysis, which is used to understand the patterns and relationships between various geographic features or phenomena. Spatial analysis involves the use of statistical techniques, such as regression analysis and spatial autocorrelation, to identify patterns and relationships.
5. Modeling: Geographical studies also use modeling techniques to understand complex systems and make predictions about future trends. Modeling enables researchers to test how different variables interact and explore various scenarios, without the need for costly and complex real-world experiments.
Overall, the approaches and techniques used in geographical studies are diverse, and depend on the specific research questions and goals of the study. However, all geographical studies are grounded in a deep understanding of the interactions between physical, human, and environmental systems, and seek to uncover the underlying causes and consequences of these interactions.
As you reread the
first two chap‐
ters, refresh your
memory about
what occurs in
this part of the
novel.
The events of the plot—
that is, what happens in
the first two chapters—
should stay pretty much
the same. However,
below are two issues to
address:
1. What is a modern-day
conflict that might exist
between two groups of
teens?
2. How would the
fighting between the
two groups differ to‐
day—would it be more
violent, less violent, or
about the same?
Answers
Due to the rereading of the first two chapters, the events of the plot that is said to remain unchanged address the two issues that are given below.
What is the chapters about?A modern-day conflict that might exist between two groups of youngsters may be a debate over get to to a prevalent social media stage. One bunch of youngsters may feel that they have elite rights to utilize the stage and see others as interlopers or "untouchables" who are infringing on their online region.
Therefore, The issue between the two groups may well be more centered on virtual or online animosity instead of physical fighting. High schoolers within the advanced age regularly have a noteworthy nearness on social media, and clashes can raise through online implies such as trolling, and hacking.
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Bioremediation is a process that uses living organisms to break down pollutants and convert them into less toxic forms. An example of this is when bacteria are used in the ocean clean up oil spills. How is this biotechnology impacting the environment?
Answers
Bioremediation can have a positive impact on the environment by reducing the level of pollutants and harmful chemicals in the ecosystem. By using natural processes and living organisms, bioremediation avoids the need for harsh chemicals and disruptive excavation methods that can further harm the environment. In the case of oil spills, bacteria are used to break down the oil into simpler compounds that can be metabolized by other organisms in the environment, thus reducing the negative impact of the oil on marine life.
Additionally, bioremediation can be more cost-effective than traditional cleanup methods, as it can use natural processes to remediate the environment. This can be particularly important in areas where traditional methods may not be practical or may cause further harm to the environment.
However, it is important to note that bioremediation is not a panacea and may have limitations. The effectiveness of bioremediation can depend on various factors such as the type and concentration of the pollutant, the type of organism used, and the environmental conditions. In some cases, bioremediation may not be able to fully eliminate the pollutant or may cause unintended consequences such as the introduction of non-native species.
Overall, bioremediation has the potential to positively impact the environment by reducing the level of pollutants and harmful chemicals. However, it should be used in combination with other methods and with caution to ensure its effectiveness and avoid unintended consequences.
