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Svetach [21]
3 years ago
8

Which of the following statements are true about the impact of competition and environmental filtering on community structure. A

. Competition shapes a species fundamental niche B. Phylogenetic clustering and increased niche overlap occur when environmental filtering dominates C. Phylogenetic overdispersion and decreased niche overlap occurs when competition dominates D. Both competition and environmental filtering shape community structure
Biology
1 answer:
torisob [31]3 years ago
4 0

:

D. Both competition and environmental filtering shape community structure.

Explanation:

Based on competition theory,  two  organisms occupying the same ecological niche can only coexist   provided  there is spatial or conditioning niche partitioning.This  prevent  competitive exclusion , ensuring survival of the two species in their niche. Since the two species developed greater variability in (over-dispersed traits)  to resist the selection  pressure,(competition).Many overdisperesed traits is present in the communities.

  However environmental filtering, is concerned with selection of species with  natural ability or triats to survive in a given communities,Thus if two species of organism  meet the same ecologocal requirements in a community, environmental filtering, fitters them and ensure their survival ahead of others who do not meet the requirements, and could not survive.

Thus the simultaneous operation of theses  two opposing selection pressures, structured communities ensuring coexistence and favoured ability of organism to survive.

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In a plant cell, photosynthesis and cellular respiration can both take place simultaneously. Plants carry out both photosynthesis and cellular respiration during the day. Cellular respiration continues because it provides the energy required for essential cell functions.

<h3></h3><h3>What role of  photosynthesis and respiration in plant?</h3>

Water and carbon dioxide are changed into oxygen and glucose during photosynthesis. The plant consumes glucose and produces oxygen as a byproduct.

Oxygen and glucose are transformed into water and carbon dioxide during cellular respiration. By-products of the process include carbon dioxide, water, and ATP, which is turned into energy.

To power cellular respiration, photosynthesis uses the energy it produces. During photosynthesis, solar energy is used, collected, and stored in the bonds of glucose molecules.

Therefore, photosynthesis and respiration not involve energy formation cycle.

Learn more about  photosynthesis and respiration here:

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7 0
1 year ago
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Answer:

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Swap toys, movies, and books instead of buying new ones.

Donate, recycle, and repair electronic devices (see how here).

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Use public transport, share a journey with friends (e.g., car-sharing), cycle, or walk when possible.

Use less paper by not printing unnecessary things and reading e-books.

Turn down the air conditioning when it is hot and use fans if you are still hot-they use much less power.

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Do not waste food and try to buy food that is grown locally and in season.

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