As succession proceeds in an ecosystem, there is an increase in population density. This is accompanied by what other change?
Answers
As succession proceeds in an ecosystem, there is an increase in population density. This is accompanied by the change in the species diversity as well. Thus, the correct option is B.
What is Ecological succession?
Ecological succession is the process through which the mixture of species and habitat in an area changes over the period of time. Gradually, these communities of species replace one another until a climax community like a mature forest is reached in that ecosystem, or until a disturbance, like a fire, occurs in that region.
The succession of an ecosystem begins with a pioneer species such as the lichens, some fungi species. Species such as the lichen begins to secrete acids which begin to break the barren land into a number of small particles. The small particles mix with the lichen species remains and starts the process of soil formation. On addition of the soil, more diverse plant species such as bryophytes and pteridophytes grow on the land. Later on, these plants are replaced by the most diverse angiosperm species. In this way, the species diversity tends to increase as a result of ecological succession.
Therefore, the correct option is B.
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Answer: B.
Explanation: Ecological succession, quite literally, is the change in the species of an area/ecosystem that had earlier been completely wiped out. Wildfires are a prime example of that.
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Differentiate bet prokaryotic and eukaryotic cells
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Answer:
The producers can be described as organisms which are able to make their own food through the process of photosynthesis. Phytoplankton is hence the producers in this food chain.
Primary consumers can be described as organisms which feed on the producers. Copepods are the primary consumers in this food chain.
Secondary consumers can be described as organisms which feed on the primary consumers in a food chain or food web. Sea-nettle jellyfish is the secondary consumer in the above food chain.
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Answer:
See explanation.
Explanation:
In a chemical reaction, the substances change. Put hydrogen and oxygen together and the chemical reaction results in water.
A physical reaction there is a change in form, but the chemical composition remains the same. Take water below freezing, and ice forms - a physical reaction.
Answer:
Explanation:
In a chemical reaction, the substances change all together and there is no going back you cant take them apart.
A physical reaction there is a changes, but the chemical composition dosnt. this one you can go back from it becuse the chemical reaction didnt change.
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Answer
A.human industrial processes
B.lightning
C.certain bacterial species
D.all of the above
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B) desert
C) savanna
D) tropical rainforest
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Answer:
The central dogma of molecular biology best describes the relationship between proteins and nucleic acid.
Explanation:
Nucleic acid such as DNA is the repository of genetic information in most organism.
The genetic information stored in DNA is Transferred to RNA by transcription which deals with the the production of mRNA from DNA.
The mRNA then undergo translation to transfer its own own genetic information in form of codons to specify amino acids of a protein molecule.
Thus the Central dogma of molecular biology relates proteins and nucleic acids.