When males place their sperm in the females' spermathecae, fruit flies can start laying eggs (a process known as induction). Induced egg laying has the selection benefit of ensuring that a male fly's sperm is utilized for fertilization, which is beneficial for male flies.
- The spermatheca is an ectodermal organ that only develops in Queens and is not present in workers.
- Spermathecae gets sperm from the male during mating.
- Because it assures that a male fly's sperm is used for fertilization, induced egg laying for male flies has this benefit.
Thus from the above points, we can conclude that egg laying in the fruit flies had an adantage.
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- Place the scanning objective above the specimen by clicking it into place.
- To move the stage all the way up, use the coarse adjustment knob.
- Use the fine adjustment knob to focus the specimen.
- To improve contrast, adjust the iris diaphragm and/or the light control knob.
- Move a given structure to the center of your field of view using the mechanical stage controls.
<h3>What is epithelial cells ?</h3>
Epithelial cells are the cells that cover the inside and outside of your body's surfaces. They can be located on your skin, blood vessels, and organs such as your urinary tract.
<h3>What does it mean if my epithelial cells are high?</h3>
If urinalysis findings show a moderate or high number of epithelial cells, it may indicate the following medical conditions: Kidney illness Liver disease Yeast infections Urinary tract infections Certain kinds of cancer.
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Answer:
The scientific study of life, called <u>Biology</u><u>, </u>can be organized around several themes. As the biological hierachy builds from molecules on up to ecosystems, each level has <u> emergent properties</u> that result from interactions among component parts. Life's basic unit of <u>structure and function</u> is the cell, which occurs in two basic forms- prokaryotic and eukaryotic . As organisms interact with the environment, <u>nutrients and chemicals</u><u> </u>cycle within an ecosystem, while energy flows one way from sunlight -> chemical energy -> heat. According to the core theme of <u>evolution </u>all of life is related by common descent. Life was diversified as <u>natural selection</u> had led to the gradual accumulation of adaptations that fit populations to the environment.
Explanation:
Emergent properties- Properties that is exhibited by a group of individuals as a result of interaction among them.
Evolution- the process by which populations develop new characteristic and become more efficient than their ancestors.
Natural selection- A phenomena in which only fittest organisms of a population are allowed to survive in a given environment. This play a key role in evolution.
