Answer:Chlorine — the standard chemical in pools — is used to keep harmful bacteria away from humans. In chlorine pools, the chemical is purchased in highly concentrated levels and added to the water. In salt water pools, the natural process of electrolysis turns the salt into chlorine.
Explanation:
Answer:
The freckle gene was more dominant than the non freckle gene, therefore resulting in the main subject having freckles. Relative 1 did not have a dominant freckle gene, therefore they didn't have evident freckles - besides the freckles, all other characteristics were present in all 3 subjects.
Answer:
Explanation:
The freckle gene was more dominant than the non freckle gene, therefore resulting in the main subject having freckles. Relative 1 did not have a dominant freckle gene, therefore they didn't have evident freckles - besides the freckles, all other characteristics were present in all 3 subjects.
Answer:
13L:11D
Explanation:
Based on the photoperiod there are two types of plants -
a) Short day plant
b) Long day plant
Here the term short and long day do not mean that the provided length of day are the critical length of day required for reproduction. But opposite to that it means that the length of the day required for reproduction must be
a) Shorter than the defined length of day for short day plant
b) And longer than the defined length of day for long day plant
Chrysanthemums is a short day plant and thus option 1 with 13L:11D will produce fully developed flower buds
Option A is correct 13L:11D
The researcher's findings illustrate that photoperiod greatly affects the development of chrysanthemum buds, with longer periods of light exposure reducing bud formation. The mechanism behind this is likely due to photoperiodism, a biological response that allows plants to regulate their growth based on day length.
The researcher's findings suggest that the photoperiod, or duration of light exposure, significantly impacts the development of flower buds in chrysanthemums. In the experiment, chrysanthemums with a 13L:11D photoperiod produced fully developed flower buds. In contrast, the plants with a 14L:10D photoperiod produced only partly developed buds and those with a 15L:9D photoperiod did not develop any buds. It is evident from these results that there is a decrease in bud formation with an increase in light hours. Chrysanthemums, therefore, seem to need a specific balance of light and darkness for optimal flower bud development.
The mechanism behind this is likely related to photoperiodism, a biological response to the timing and duration of day and night that controls flowering and other growth in plants. Plants use the phytochrome system to sense changes in day length, which is an essential indicator of season. This system allows them to regulate their physiological activities, such as flowering, accordingly. So, the results of this study underline the importance of photoperiodism in flowering plants.
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Answer:. Biotic limiting factors:
- Alligator: The presence of alligators in the simulation acts as a biotic limiting factor. Alligators are known predators of cricket frogs and can feed on them, thus reducing the cricket frog population.
- Mosquito: Mosquitoes are also considered a biotic limiting factor. They can potentially transmit diseases to cricket frogs or compete with them for resources, affecting their population.
2. Abiotic limiting factors:
- Food: In the lab simulation, food availability serves as an abiotic limiting factor. If cricket frogs do not have access to an adequate food supply, their survival and population growth can be negatively impacted.
- Pollution: Pollution, another abiotic limiting factor, can have detrimental effects on the cricket frog population. Pollution in the air or water can lead to habitat degradation, decreased water quality, and ultimately affect the survival and reproductive capabilities of the frogs.
3. Limiting factor impacting the cricket frog population the most:
- The predator population (alligator): Based on the evidence provided, the alligator population had the greatest impact on the cricket frog population. Alligators are known to be predators of cricket frogs, and their presence in the simulation likely resulted in significant predation and reduction of the cricket frog population.
4. Limiting factor impacting the cricket frog population the least:
- Pollution: From the information given, pollution is identified as an abiotic limiting factor. While pollution can negatively affect the cricket frog population, the evidence provided suggests that the predator population (alligators) had a more significant impact. Therefore, pollution is considered to have impacted the cricket frog population the least.
Explanation:
Operant Conditioning is the process by which clinicians identify the stimuli that lead to pain behaviors and the reinforcers that follow, thereby enabling the development of relevant strategies for pain management.
The process of identifying the events (stimuli) that precede pain behaviors (responses) as well as the consequences that follow (reinforcers) in pain management is called Operant Conditioning. This principle of behavioral psychology, which holds that our behaviors are motivated by the consequences they produce, is often used in behavioral therapy for chronic pain management. By understanding the stimuli that lead to pain behaviors and the consequences that reinforce them, clinicians can help patients develop strategies to mitigate their pain.
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The answer is d............