Answer:
Plants may compete with other organisms like phytoplankton for sunlight, their source of light energy for photosynthetic reactions.
Explanation:
Abiotic factors or non-living factors in terrestrial ecosystems include temperature, rainfail, and light; in other aquatic ecosystems, they also include salinity, and water currents.
Plant populations belong to the biotic factors within an environment, and often complete with other organisms such as fungi, animals and bacteria.
For instance, plants share their photosynthetic ability with some bacteria. In aquatic biomes, both phytoplankton, and aquatic plants compete for available sunlight underwater in order to make energy via photosynthesis.
The oceans on earth act as carbon sinks
the combustion of fossil fuels
atmospheric carbon dioxide is continuosly exchanged
vegetation and soil take in more co2 than they release
Answer:
One way in which complement activation destroys pathogens is by C3b binding to the surface of microbes, which then causes inflammation through histamine and heparin release.
Explanation:
C3b binds to the surface of microbes (opsonin), and functions as a component of C3 and C5 convertases while C3a stimulates inflammation.
The alternative pathway of complement activation is triggered by the deposition of C3b on the surface of a microbe. The microbe- bound C3b binds another protein called Factor B, which is then broken down by a plasma protease called Factor D to generate the Bb fragment.
This fragment remains attached to C3b, and the C3bBb complex functions as an enzyme, called C3 convertase, to break down more C3. The C3 convertase is stabilized by properdin, a positive regulator of the complement system.
As a result of this enzymatic activity, many more C3b and C3bBb molecules are produced and become attached to the microbe. Some of the C3bBb molecules bind an additional C3b molecule, and the resulting C3bBb3b complexes function as C5 convertases, to break down the complement protein C5 and initiate the late steps of complement activation.
The main effectors of the complement system are opsonization, cell lysis and inflammation. It also stimulates B cell responses and antibody production.
Biodiversity completely depends on the ecosystem. The <u>increase in biodiversity also leads to an increase in ecosystem stability.
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Further Explanation:
Biodiversity is the term used for <u>describing the variety of species found on earth.</u> It can be animals, plants, microorganisms (bacteria and fungi), etc. the earth is rich in biodiversity; there are so many species that have to be discovered, whereas there are several species that have extinct. The entire living organism forms the ecosystem. It also includes <u>their physical environment and the interpersonal relationship with them.
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<u>Species play a crucial role in the ecosystem.</u> So the extinction or loss of particular species affects the perfect balance of the ecosystem. The <u>ecosystem work in a cycle that means plants absorb the energy from the sun and produce food through the process called </u><u>photosynthesis</u><u>.</u> The plant produced food is called the primary production, which is utilized by the myriad animals. The rate of <u>primary production completely depends on the global food supply.</u> It also increases the rate of climate change. The plants produce carbon dioxide at night time and remove it in the atmosphere. That decreases the variability of the environment and disturbs its original state.
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Answer Details:
Grade: High School
Subjects: Biology
Topic: Biodiversity
Keywords:
Biodiversity, ecosystem, species, animal, plant, microorganism, environment, extinction, photosynthesis, primary, myriad, global, variability, carbon dioxide.
The answer is; D
The porous rock is able to absorb water from precipitation. The water resides in the pores of the rock. The impermeable rock later, which does not allow water to pass through it, allows more water to hold in the porous rock and making the local water table to rise. The water in the porous rock, therefore, can be accessed through wells or a water spring can develop.
