Podcast
Questions and Answers
What is the process by which individuals with favorable variations are more likely to survive and reproduce?
What is the process by which individuals with favorable variations are more likely to survive and reproduce?
- Artificial Selection
- Natural Selection (correct)
- Species Evolution
- Genetic Variation
What happens to the percentage of individuals showing favorable variations over time?
What happens to the percentage of individuals showing favorable variations over time?
- It remains constant
- It decreases
- It fluctuates randomly
- It increases (correct)
What is the estimated percentage of species that have gone extinct?
What is the estimated percentage of species that have gone extinct?
- 70-80%
- 99-100%
- 98-99% (correct)
- 50-60%
What is the process by which a new species emerges from a previously existing species?
What is the process by which a new species emerges from a previously existing species?
What is the result of a species dividing into two isolated subpopulations?
What is the result of a species dividing into two isolated subpopulations?
What is the concept that two or more species can reciprocally influence the evolutionary direction of the other?
What is the concept that two or more species can reciprocally influence the evolutionary direction of the other?
What percentage of energy is lost as heat when moving from one trophic level to the next?
What percentage of energy is lost as heat when moving from one trophic level to the next?
Why is biomass used as a proxy in measuring energy in ecosystems?
Why is biomass used as a proxy in measuring energy in ecosystems?
What is a food web?
What is a food web?
What is the byproduct of photosynthesis in plants?
What is the byproduct of photosynthesis in plants?
What process do decomposers use to recycle organic molecules?
What process do decomposers use to recycle organic molecules?
What is the primary function of herbivores in the carbon cycle?
What is the primary function of herbivores in the carbon cycle?
What is a possible way for a species to become extinct suddenly?
What is a possible way for a species to become extinct suddenly?
What is the result of coevolutionary relationships between different species?
What is the result of coevolutionary relationships between different species?
What is a characteristic of prey adaptation in response to predation?
What is a characteristic of prey adaptation in response to predation?
Which of the following is an example of a coevolutionary relationship?
Which of the following is an example of a coevolutionary relationship?
What is the result of one species being extirpated from a region?
What is the result of one species being extirpated from a region?
What is an example of a local species at risk in Oman?
What is an example of a local species at risk in Oman?
What is a consequence of an increase in the number of plants and algae?
What is a consequence of an increase in the number of plants and algae?
What is the ultimate source of phosphorus atoms?
What is the ultimate source of phosphorus atoms?
Why do animals gain necessary phosphorus?
Why do animals gain necessary phosphorus?
What happens when too much nitrogen or phosphorus is applied as fertilizer?
What happens when too much nitrogen or phosphorus is applied as fertilizer?
What is released into the atmosphere when fossil fuels are burned?
What is released into the atmosphere when fossil fuels are burned?
What happens to the amount of carbon dioxide in the atmosphere when forests are converted to agricultural land?
What happens to the amount of carbon dioxide in the atmosphere when forests are converted to agricultural land?
What is the primary function of carbon sinks?
What is the primary function of carbon sinks?
What is the result of converting forests to agricultural land?
What is the result of converting forests to agricultural land?
What is the role of nitrogen-fixing bacteria in the nitrogen cycle?
What is the role of nitrogen-fixing bacteria in the nitrogen cycle?
What is the primary sink for nitrogen?
What is the primary sink for nitrogen?
What is the result of excessive fertilizer application in aquatic ecosystems?
What is the result of excessive fertilizer application in aquatic ecosystems?
What is the function of denitrifying bacteria in the nitrogen cycle?
What is the function of denitrifying bacteria in the nitrogen cycle?
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