How did dr. jack horner's discovery of dinosaur nesting grounds support the hypothesis that birds evolved from a group of dinosaurs?
Final answer:
Dr. Jack Horner's discovery of dinosaur nesting grounds provided substantial support for the hypothesis that birds evolved from theropod dinosaurs, highlighting behavioral and physical similarities between them.
Explanation:
Dr. Jack Horner's discovery of dinosaur nesting grounds significantly supported the hypothesis that birds evolved from dinosaurs, specifically from a group of theropod dinosaurs. These nesting grounds showed evidence of behaviors and physical characteristics similar to those found in modern birds. For instance, the organization of these nests, as well as the care for the young, hinted at complex social behaviors and parental care strategies akin to those seen in birds today. Furthermore, the discovery highlighted physical similarities such as the structure of eggs, supporting the idea that the evolutionary lineage of birds can be traced back to dinosaurs.
Moreover, the presence of theropods, which were bipedal predators, within these nesting grounds, underscores the connection between birds and dinosaurs. Theropods share several anatomical features with birds, including hollow bones and similar hip structures, which are critical indicators of their common ancestry. The discovery of these nesting grounds provided tangible evidence that birds indeed descended from the theropod lineage of dinosaurs, enriching our understanding of the evolutionary transition from dinosaurs to the avian species we see today.
A mouse had a gene sequence of GTT coding for leucine, an amino acid.____ mutation in this gene led to the formation of GTG. However, the amino acid formed was leucine, despite the mutation. This is a_______ mutation for the mouse.
Which of the following gasses is necessary for photosynthesis, but is especially damaging in terms of global warming when it is too common? carbon dioxide hydrogen nitrogen oxygen
Difference between monomer, polymer, and macromolecule
Wrinkles and sagging skin in elderly individuals are the result of
Wrinkles and sagging skin in elderly individuals are caused by a combination of factors including natural aging, environmental factors, and lifestyle choices.
Explanation:Wrinkles and sagging skin in elderly individuals are the result of a combination of factors. One major factor is the natural aging process, which leads to a decrease in collagen and elastin proteins that provide skin elasticity. In addition, exposure to harmful environmental factors like UV radiation, smoking, and pollution can accelerate the aging process and contribute to wrinkles and sagging skin. Lastly, lifestyle factors such as poor nutrition, lack of hydration, and excessive stress can also impact skin health and contribute to the formation of wrinkles and sagging.
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Surgery is performed on a client. the postoperative arterial blood gas values are ph 7.32, pco 2 53 mm hg, and hco 3 25 meq/l (25 mmol/l). which action should the nurse take?
Which is the best definition of a phylogenetic tree?
Does anyone have a catchy title that relates to the digestive system and stomach cancer?
To help restore nitrogen to the soil, fields should occasionally be planted with what
Answer:
Legumes
Explanation:
Legumes, leguminous plant that belong to Fabaceae botanical Family (e.g. beans, peanuts, turnips, cloves) , are excellent for restoring the fertility of the soil as they can increase nitrogen soluble compounds within the soil.
They manage to do so because they can establish symbiotic relationships with nitrogen fixing bacteria present in its root nodules. These particular bacteria (e.g. cyanobacteria) can take atmospheric (gaseous) molecular nitrogen and fixed it. This means that these bacteria can transform gaseous nitrogen into a soluble compound that can be retained by water within soil and thus can be absorbed by plant roots.
The thick, crusty scar of necrotic tissue that forms on a third-degree burn is known as
During which process in the mitochondria is glucose converted into adenosine triphosphate
In which step of the nitrogen cycle do plants absorb nitrogen compounds?
In the nitrogen cycle, plants absorb nitrogen through assimilation, when nitrogen-fixing bacteria convert atmospheric nitrogen into nitrates that plants can then uptake through their roots.
In the nitrogen cycle, plants absorb nitrogen compounds during a process known as assimilation. This occurs after nitrogen-fixing bacteria convert atmospheric nitrogen (N_{2}) into ammonia. Then, through nitrification, ammonia is further converted into nitrites and finally into nitrates (NO_{3}−), which plants can absorb through their root hairs. This absorption occurs because plants cannot directly use atmospheric nitrogen due to its stable molecular triple bond. Instead, they rely on nitrogen in fixed forms such as nitrates, which are vital for synthesizing essential organic compounds such as chlorophyll, proteins, and nucleic acids.
which organic compound has this component?sugars
Centipedes are important organisms in temperate forest ecosystems. They live under decaying materials and hunt for small insects at night. What is most likely the role of the centipede in the temperate forest ecosystem?;A. Decomposer, B. Herbivore, C. Preditor, or D; Producer
Why does each successively higher feeding level in an energy pyramid have less biomass
I guess this is late...
Answer:
10% rule.
Explanation:
Only 10% of the biomass and energy moves up the pyramid. The other 90% is used for bodily functions.
Agrobacterium tumefaciens transfers dna into plant cells during _________.
a. pathogenesis
b. replication
c. transformation
d. transcription
e. none of the above
Explain the main difference between exponential and logistic growth
In the process of digestion, most nutrient absorption takes place in the
What is an animal that is classified as an invertebrate?
a. flounder
b. fish
c. shark
d. sponge
Where is the best place to find information about the hazards that are associated with a compound
Digital activism is an exercise platform true or false pearson
It is false.
Further Explanation:
Digital activism:
Digital activism is the use of electronic communication technologies such as social media, e-mail, and podcasts for various forms of activism to enable faster and more effective communication by citizen movements, the delivery of particular information to large and specific audiences as well as coordination.
Examples of activism:
Examples include sexual harassment, bullying, and domestic violence. These often take place between individuals, out of the public eye. Activism has been central to the response, in two ways. First, activists have identified these as social problems and campaigned to raise awareness about them.
Benefits of activism:
People who volunteer tend to live longer and healthier lives. They feel a greater sense of satisfaction and an improved sense of belonging. They are at a lower risk of depression and other mental health issues including Alzheimer's disease. Volunteering has also been shown to lower your blood pressure!
Forms of activism:
Forms of activism range from mandate building in the community (including writing letters to newspapers), petitioning elected officials, running or contributing to a political campaign, preferential patronage (or boycott) of businesses, and demonstrative forms of activism like rallies, street marches, strikes, sit-ins etc.
Subject: biology
Level: High School
Keywords: Digital activism, Examples of activism, Benefits of activism, Forms of activism.
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What structures develop as a result of gravity acting on the skeleton after birth?'?
A spontaneous pneumothorax is suspected in a client with a history of emphysema. in addition to calling the healthcare provider, which action should the nurse take?
How can human use of fossil fuels be detrimental to the environment?
Answer:
it can enter waterways
Explanation:
In the 1800s, people started utilizing coal to heat their homes. Coal was utilized as fuel for trains and ships. Coal was utilized in factories to create iron and steel. Today, coal is primarily burned to produce power.
What is effect of using fossil fuel by human on environment?Burning fossil fuels causes a significant emission of the greenhouse gas carbon dioxide into the atmosphere.
Global warming results from greenhouse gases trapping heat in our atmosphere. The average temperature of the entire planet has already risen by 1C.
However, burning them causes climate change and releases pollutants that increase the risk of early death, heart attacks, stroke, respiratory problems, asthma, and absenteeism from work and school.
It has also been connected to Alzheimer's disease and autism spectrum disorder.
Therefore, human use of fossil fuels be detrimental to the environment.
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The milk sugar, lactose, is made up of glucose and galactose. What type of a carbohydrate is lactose?
Lactose is a disaccharide carbohydrate.
Lactose is a disaccharide because it consists of two monosaccharide units, specifically glucose and galactose, joined together by a glycosidic bond. This makes it a type of carbohydrate that provides energy when broken down by enzymes in the body. Disaccharides are a category of carbohydrates that play important roles in nutrition and metabolism.
The signs of _______ include confusion; red, hot, dry skin; vomiting; and shallow breathing.
Which of the following best describes the main function of a cell’s nucleus?
a. transportation
b. controls traffic in and out of the cell
c. management of cell processes
d. creates energy
The main function of a cell’s nucleus is best described by option (c) - it manages cell processes.
Explanation:The nucleus of a cell is often referred to as the 'control center' of the cell due to its role in managing cell processes. It contains the majority of the cell's genetic material, which is required for all cell functions. The nucleus is often called the 'control center' of the cell as it plays a crucial role in governing all cell activities such as growth, metabolism, and reproduction by controlling gene expression. It contains most of the cell's genetic material—a collection of DNA molecules and associated proteins—which carry the information necessary for constructing all of the organs and tissues in the body and for performing cell functions.
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The cranial nerve with a dual origin (brain and spinal cord) is the ________.
People who smoke cocaine are at risk for increased breathing problems like bronchitis and pneumonia due to irritation and inflammation of the tissues in your breathing tract.
Individuals who smoke cocaine are at risk for respiratory problems such as bronchitis and pneumonia due to the irritation and inflammation of tissues in the respiratory tract, leading to compromised lung function and increased susceptibility to infections.
Individuals who smoke cocaine face elevated risks of respiratory problems, notably bronchitis and pneumonia, attributed to the irritation and inflammation of tissues in the respiratory tract. Cocaine smoke can lead to direct damage to the airway linings, causing inflammation and compromising the natural defense mechanisms of the respiratory system.
This compromised function makes individuals more susceptible to respiratory infections like bronchitis and pneumonia. Chronic cocaine use can exacerbate these risks, potentially resulting in long-term damage to the respiratory system and increased vulnerability to respiratory-related health issues. It is essential to recognize and address these health risks associated with cocaine use to promote overall well-being and respiratory health.
Complete question:
What respiratory problems are individuals who smoke cocaine at risk for, and how do the irritation and inflammation of tissues in the respiratory tract contribute to these issues, particularly in relation to bronchitis and pneumonia?
What controls hormone release from the anterior pituitary gland?