What factors are most important in shaping the biotic community?
2. Identify physical and biological factors that are most important in shaping the biotic community. The factors that are the most important in shaping the biotic community are the competition and interactions.
How do you differentiate marine ecosystems from terrestrial ecosystems?
Differentiate marine ecosystems from terrestrial ecosystems? Terrestrial ecosystems are distinguished from marine ecosystems. An Marine Ecosystem is an ecosystem in a body of water. While the community of organisms and their environment that occurs on the land masses of continents and islands are Terrestrial Ecosystem.
Why does speciation happen Class 4?
4. Why speciation happens? How speciation affects biological diversity. Speciation happens because of reasons like different geographical events and natural phenomena to be able to survive in the ecosystem.
How do two groups become different species?
Both groups continue to evolve independently from each other , and , if they remain separated for millions of years , they can become distinct species . And these new species create new communities that have unique characteristics from the other .
What are the factors that are most important in shaping the biotic community?
The factors that are the most important in shaping the biotic community are the competition and interactions. 3. Did population growth, development, and economic activity threaten ecological communities. Population growth and economic threaten the ecological communities in the way that it can destroy the ecosystem that are important ...
How do natural resources affect species?
Natural resource have an effect on the species composition, structure, and function because these things are determined on their usage of the natural resources. Natural resources greatly effect on species composition, structure and function, since as it provides habitat for every species, makes a food for them to function in the ecosystem, ...
What are the three types of biomes?
A biome is one of Earth’s large ecosystems, with its own kind of climate, soil, plants, and animals. There are 3 major types of biomes that support biological communities, these 3 types of biomes are: Deserts Biomes make up the hottest biome but can also get cold temperatures in winter.
What is the difference between a marine and terrestrial ecosystem?
Terrestrial ecosystems are distinguished from marine ecosystems. An Marine Ecosystem is an ecosystem in a body of water. While the community of organisms and their environment that occurs on the land masses of continents and islands are Terrestrial Ecosystem.
Why does speciation happen?
Speciation happens because of reasons like different geographical events and natural phenomena to be able to survive in the ecosystem. As that happen speciation affects also the biological diversity positively as the soon adapt the changes of the environment due to speciation afterwards, they.
How are organisms adapted to their environment?
Organism are adapted to their environments in an excessive variety of ways, like they adapted in the environment, in their reproduction and development, in their body structure and genetics, in their locomotion or dispersal, and in their means of defense and attack. 3. Are natural resource have effect on the species composition, structure, ...
How does evolution affect the future community?
Evolution has a significant influence in the structure of the future community through changing the common process and system. It modifies the composition of the future community as the organism will adapt and somehow also change their new environment. And also, evolution influence population structure in the way that new species can dominate ...
Soil Texture and Composition
- A permeablesoil allows water to flow through it easily because the spaces between the inorganic particles are large and well connected. Sandy or silty soils are considered ‘light’ soils because the...
- Soils that have lots of very small spaces are water-holding soils. For example, when clay is present in a soil, the soil is heavier, holds together more tightly, and holds water.
- A permeablesoil allows water to flow through it easily because the spaces between the inorganic particles are large and well connected. Sandy or silty soils are considered ‘light’ soils because the...
- Soils that have lots of very small spaces are water-holding soils. For example, when clay is present in a soil, the soil is heavier, holds together more tightly, and holds water.
- When a soil contains a mixture of grain sizes, the soil is called a loam(figure 1).
Soil Horizons and Profiles
- The bedrock fractures because of weathering from ice wedging or another physical process.
- Water, oxygen, and carbon dioxide seep into the cracks to cause chemical weathering.
- Plants, such as lichens or grasses, become established and produce biological weathering.
- Weathered material collects until there is soil.
Lesson Summary
- Soil texture and composition, plus the amount of organic material in a soil, determine a soil's qualities and fertility.
- Given enough time, rock is weathered to produce a layered soil, called a soil profile.
- Each type of climate can ultimately produce a unique type of soil.
Reflection Questions
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- How can the content in this section help you demonstrate mastery of a specific skill?
- What questions do you have about this content?
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