How does comparative biology support evolution?

Comparative anatomy is the study of similarities in the anatomical structure of different species. It supports evolution by providing evidence that supports or dismisses the relatedness of two organisms. Organisms that are proven to be related are the ones that have evolved from a common ancestor. How does molecular biology support the theory of evolution? … Read more

How does biology relate to addiction?

Biological models of addiction emphasize the importance of genetics and the biological forces of nature. These theories suggest that brain chemistry, brain structure, and genetic abnormalities cause human behavior. What biological factors increase the risk of addiction? What biological factors increase risk of addiction? Biological factors that can affect a person’s risk of addiction include … Read more

How are membranes different from each other?

Membrane surfaces have asymmetry — different characteristics on the two sides. There are differences in lipid composition between the sides of a membrane. The mechanism for generating this sidedness is unknown. Different catalytic proteins (enzymes) appear on the two sides of membranes. What is the difference between membrane and organelles? The main difference between membranous … Read more

What conservation efforts are being used for black rhinos?

WWF is working to conserve the black rhino by: Improving security monitoring to protect rhinos from poaching; Improving local and international law enforcement to stop the flow of rhino horn; Promoting well managed wildlife-based tourism experiences that will also provide additional funding for conservation efforts. Why is it important to conserve black rhinos? They play … Read more

How does fermentation aid in food preservation?

To preserve vegetables by fermentation, they are placed in an oxygen-free and salty environment. This environment encourages the growth of lactic acid bacteria, which are bacteria that are good for humans. These bacteria create lactic acid, which prevents bad microorganisms from developing. Why is fermentation important in biology? Fermentation enables cells to produce chemical energy … Read more

What are the principles of life biology?

What are the major principles of biology? Cell theory, gene theory, evolution, and homeostasis are the four unifying principles of biology. How does cell theory relate to the characteristics of living things? The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of … Read more

Can plants be genetically modified to grow on Mars?

A tough plant “pioneer” that can grow in Martian soil. Like customizing a car, NASA-funded scientists are designing plants that can survive the harsh conditions on Mars. These plants could provide oxygen, fresh food, and even medicine to astronauts while living off their waste. Can scientists grow plants on Mars? Research suggests Martian soil has … Read more

What percentage of abusers are family members?

The majority of children and teen victims know the perpetrator. Of sexual abuse cases reported to law enforcement, 93% of juvenile victims knew the perpetrator: 59% were acquaintances. 34% were family members. What percentage of abuse victims become abusers? Studies also now indicate that about one-third of people who are abused in childhood will become … Read more

Can an adopted child inherit from and through his or her biological parents under UPC How about under Texas law?

Therefore, in Texas, adopted children can inherit from and through their biological parents unless there is a decree terminating the parent-child relationship that specifically removes the child’s right to inherit from and through the biological parents. Adoption records are usually sealed by law in Texas. Do adopted children inherit from biological parents? Adopted children inherit … Read more

How did the Black Death actually transfer to humans biologically?

Humans can become infected after being bitten by fleas that have fed on infected rodents. In humans, the disease usually occurs in the form of bubonic plague. In rare cases, the infection spreads to the lungs via the bloodstream and causes secondary pneumonic plague. How was the bubonic plague able to spread throughout Europe? Modern … Read more

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