Lines of evidence from many fields of study, from fossils to DNA sequences, have been important in developing evolutionary theory. Why is it important to have supporting evidence from a variety of fields?
A. It lends strength to the argument if evidence from a diversity of fields results in the same conclusion.
B. Asking scientists from a variety of fields to test the ideas means more scientists will take an interest in promoting the theory.
C. If a theory can encompass many different fields of study, then financial funding for future testing of the theory would be easier to attain.
D. It is unlikely that scientists will disagree with evidence collected within their own fields, so everyone would find something to agree with.
What accounts for the movement of water up the veins of a tall tree?
In which process is energy used to build complex molecules from simpler molecules?
a)glycolysis
b)anabolism
c)catabolism
d)respiration
Name two major contributions to forensic science made by hans gross. why are they considered important to forensic science?
Answer:
Answered
Explanation:
The two main contribution of Hans Gross to the field of forensic science are
1. He the first book that described the application of scientific tool and methods to the filed of criminal investigation.
2. He detailed the assistance that investigators could expect from the fields of microscopy, chemistry, physics, mineralogy, zoology, botany, anthropometry and fingerprinting. He later introduces the forensic journal, which improves methods of scientific crime investigation.
Is infant circumcision ethically necessary?
Hemocytoblast cells
a. are abundant in the plasma.
b. are specialized cells.
c. are found in yellow bone marrow.
d. give rise to formed elements in the blood.
Which best describes how scientists found the human gene that makes insulin?
they used the amino acid code to find the dna base sequence.
apex answer
Several types of mutations can occur in cells. However, very few of these mutations develop into malignant cancerous tumors because
the benign cells are more dangerous and more common
the mutation must cause a non-disjunction that develops a syndrome
the mutation must be dramatic single point insertion or deletion
the mutation must occur in a specific gene that controls cell division
Answer:
Option). the mutation must occur in a specific gene that controls cell division.
Explanation:
Mutations can be defined as permanent alterations in genetic material due to changes in sequence of DNA. Mutations may be random or induced due to exposure of cancer-causing chemicals.
Malignant cells are tumor-forming cells that show uncontrolled grow and division. These cells are formed by loss of control of cell division and bypass normal cell death.
There are several types of mutations that take place in a cell, but only few mutations cause formation of malignant cells. This is because, to be develop into a malignant, mutations must take place in genes that regulate cell division.
Thus, the correct answer is last option.
Obstacles to microorganisms entering the body include
Which example involves the transformation of chemical energy directly into light energy?
A) a wind mill
B) a glow stick
C) photosynthesis
D) a hydroelectric dam
Which muscle trait is the ability to respond to a stimulus, such as a nerve or hormone?
What is a recommended water skiing safety practice?
Selenium is a component of enzymes that help regulate which hormone
Why are receptors for steroid hormones located inside the cell rather than on the membrane surface?
The receptors for steroid hormones are located inside the cell because these hormones are lipid-soluble and therefore they can diffuse across the lipid bilayer.
Steroid hormones are lipid-soluble hormones generated from cholesterol in the gonads and the adrenal gland.Steroid hormones are classified as glucocorticoids, androgens, corticoids, and progestagens.Some examples of steroid hormones include testosterone and progesterone. These hormones (steroid hormones) can easily pass across the hydrophobic interior of cell membranes.In conclusion, the receptors for steroid hormones are located inside the cell because these hormones are lipid-soluble and therefore they can diffuse across the lipid bilayer.
Learn more in:
https://brainly.com/question/816340
When during fetal development do rhythmic breathing movements begin?
Answer:
late in the third trimester the other person is wrong
Explanation:
An injury to the nervous system results in nervousness and hyperactivity. Which division of the nervous system was damaged by the injury? Central Sympathetic Sensory somatic Parasympathetic
Nervousness and hyperactivity following an injury point to dysfunction in the sympathetic division of the autonomic nervous system, emphasizing a prolonged "fight or flight" response to stressors.
An injury resulting in nervousness and hyperactivity suggests an impact on the autonomic nervous system (ANS), specifically the sympathetic division. The ANS is responsible for regulating involuntary bodily functions and is divided into two main branches: the sympathetic and parasympathetic divisions.
The sympathetic division of the ANS is often referred to as the "fight or flight" system. It becomes activated in response to stressors or threats, preparing the body for quick and vigorous action. When the sympathetic division is stimulated, it triggers the release of adrenaline, leading to heightened alertness, increased heart rate, and a surge of energy. The physiological response involves mobilizing resources to cope with a perceived threat, resulting in symptoms such as nervousness and hyperactivity.
In contrast, the parasympathetic division is associated with the "rest and digest" response, promoting relaxation and recovery after a stressful situation. Activation of the parasympathetic system leads to a decrease in heart rate, calming effects, and a return to a state of equilibrium.
In the context of the symptoms described (nervousness and hyperactivity), an injury affecting the sympathetic division of the autonomic nervous system is more likely. This disruption would result in a prolonged or exaggerated "fight or flight" response, causing the observed hyperactive and anxious behaviors.
Final answer:
An injury to the nervous system resulting in nervousness and hyperactivity indicates damage to the sympathetic division of the nervous system.
Explanation:
An injury to the nervous system resulting in nervousness and hyperactivity indicates damage to the sympathetic division of the nervous system. If an injury to the nervous system results in nervousness and hyperactivity, it is likely that the sympathetic nervous system was damaged. The sympathetic nervous system is a part of the autonomic nervous system and it regulates the 'fight-or-flight' response, activating in stressful situations to prepare for action. When this system is compromised, it can lead to elevated states of arousal that manifest as nervousness and hyperactivity.
The sympathetic division is activated during stressful situations and elicits a 'fight or flight' response. It prepares the body for action by increasing heart rate, breathing rate, and alertness.
What type of severe weather would most likely decrease biodiversity by destroying sea turtle nest and hatchlings
Hurricanes are the most likely type of severe weather to decrease biodiversity by destroying sea turtle nests and hatchlings, as they can cause extreme destruction in coastal areas.
The type of severe weather that would most likely decrease biodiversity by destroying sea turtle nests and hatchlings is a hurricane. Hurricanes can lead to extreme destruction in coastal regions, which includes the loss of habitats and direct harm to wildlife such as sea turtles. The nesting sites of sea turtles can be washed away or flooded by storm surges, severely decreasing the chances of survival for eggs and hatchlings. As the climate changes, the frequency and intensity of hurricanes and other severe weather events are expected to increase, posing an even greater threat to these vulnerable species.
Complete Question:
What type of severe weather would most likely decrease biodiversity by destroying sea turtle nests and hatchlings?
Blizzard
Hurricane
Lightning
Waterspout
When you inspect a patient's pupils with a penlight, the pupils should normally react to the light by:?
When inspecting a patient's pupils with a penlight, the pupils should normally react to the light by constricting, a response known as the pupillary light reflex.
This reflex is controlled by the autonomic nervous system and involves the interaction between the parasympathetic and sympathetic pathways.
When light stimulates the retina, the parasympathetic fibers cause the circular muscles of the iris (known as the sphincter pupillae) to contract, resulting in pupil constriction or miosis.
This reflex is essential for regulating the amount of light entering the eye and ensuring optimal visual acuity. If the pupils fail to constrict or exhibit an abnormal response, it may indicate an underlying neurological or ophthalmic issue that requires further investigation.
Know more about parasympathetic fibers:
https://brainly.com/question/32468293
#SPJ6
Chemicals used in a food establishment must be:
The chemicals used in a food establishment must meet certain criteria: they must be unused and in the form of a commercial chemical product. This is to ensure safety and reduce the risk of chemical pollution in food.
Explanation:The chemicals used in a food establishment must meet certain criteria. They must be unused and in the form of a commercial chemical product. This ensures that the chemicals are safe for use in food preparation and do not pose a risk to consumers.
Government regulations in developed countries aim to control the use of potentially toxic substances in food establishments. This is done to protect public health and reduce the risks associated with chemical pollution of foods.
Additionally, there are safety guidelines that should be followed when working in a laboratory or food establishment to minimize accidents and ensure the proper handling and disposal of chemicals.
The __________ system is responsible for maintaining homeostasis of the body via rapid transmission of electrical signals.
The nervous system, including its central and peripheral components, as well as the autonomic nervous system divisions, is responsible for maintaining homeostasis through the rapid transmission of electrical signals to coordinate bodily functions.
The nervous system is responsible for maintaining homeostasis of the body via rapid transmission of electrical signals. This complex human organ system includes the central nervous system (CNS), which is made up of the brain and spinal cord, and the peripheral nervous system (PNS), which consists of the nerves extending throughout the body. The nervous system is essential for coordinating all of the body's voluntary and involuntary activities, including the autonomic nervous system (ANS), which controls involuntary functions such as the regulation of smooth and cardiac muscle as well as glandular tissues.
The ANS helps maintain homeostasis by involuntary control of body functions and it is divided into the sympathetic and parasympathetic nervous systems. The sympathetic nervous system prepares the body for stress-related activities, while the parasympathetic nervous system conserves energy as it slows down the heartbeat, increases intestinal and gland activity, and relaxes sphincter muscles. These systems work in sync to regulate various autonomic functions, ensuring the body maintains a stable internal environment.
The branch of biological science that studies the external and internal structure of the body and the physical relationship among body parts is called ________.
The branch of biological science that studies the external and internal structure of the body and the physical relationship among body parts is called anatomy.
What is anatomy?Anatomy is a branch of biology that focuses on identifying and describing the physical characteristics of living things.
In its most restricted meaning, gross anatomy solely refers to the study of major body structures by dissection and observation.
Surface anatomy (the external body), regional anatomy (certain body regions), and systemic anatomy are the three divisions of gross anatomy (specific organ systems).
Actually, the word "anatomy" comes from the Greek verb "anatomein," which meaning "to cut open, to dissect."
It explains the crucial step in this field of study the opening up and description of the body's constituent parts in detail.
Thus, the answer is anatomy.
For more details regarding anatomy, visit:
https://brainly.com/question/21190730
#SPJ2
How long before an unexpected critical event or actual cardiac arrest does a patient's baseline begin to deteriorate?
The answer to this question is a mean of 6.5 hours.
Cardiac arrest is a situation when the heart loss its function of pumping blood in the body. The main cause of cardiac arrest is due to coronary artery disease. Some of the causes of cardiac arrest are heart failure, lack of oxygen in the body, and due to a plenty of blood loss. If a person is under cardiac arrest and not treated immediately, the patient will die.
What are some of the immune functions of the lymphatic system?
Answer:
Maintaining water homeostasis in the body
While completing an abdominal assessment, the nurse will use which landmark as the upper boundary for auscultating bowel sounds?
The upper boundary for auscultating bowel sounds is the costal margin, which is the lower border of the rib cage formed by the bottom edges of the rib bones of the rib cage as they curve towards the front of the body.
Health care providers commonly use the four-quadrant method to simplify communication regarding the location of complaints and findings in the abdominal area. This method involves one horizontal and one vertical line that cross at the patient's navel (umbilicus), creating four quadrants: right-upper, right-lower, left-upper, and left-lower. When auscultating for bowel sounds, the costal margin serves as an important anatomical landmark indicating the upper boundary of where these sounds can be assessed in each quadrant. The costal margin's location, immediately below the ribs, helps healthcare providers systematically auscultate the abdomen and ensures that bowel sounds are examined below the diaphragm, which is the primary muscle involved in breathing and separates the thoracic cavity from the abdominal cavity. To perform this part of the abdominal assessment effectively, the clinician will place the diaphragm of the stethoscope just below the costal margin and listen to each quadrant for bowel sounds.
what are the 3 parts of of the modern day cell theory ?
What is any factor that makes it difficult for a new firm to enter a market referred to as?
a. a sustainable cost
b. a commodity
c. a barrier to entry
d. perfect competition
Answer: Option 'c' is correct.
Explanation:
A barrier to entry is factor that makes it difficult for a new firm to enter a market .
As we can see in case of "Monopoly", there is difficult entry of new firms.
In "oligopoly", there is difficult entry of new firms but not as much as in monopoly.
New firms to enter in monopoly needs patents rights and legality from the government which is a very difficult task to destroy the monopoly of existing firm.
New firms to enter in oligopoly needs heavy investment which makes it difficult to enter.
Hence, Option 'c' is correct.
_____ refers to the notion that the body monitors and maintains internal states, such as body temperature and energy supplies, at relatively constant levels. homeostasis
How are unique daughter cells created in meiosis ?
A. Homologous pairing
B.Crossing over
C.Mutation during reduction Division
D.Zygote fertilization
Unique daughter cells in meiosis are created through crossing over and independent assortment during meiosis I, which results in genetic diversity. The reduction division of meiosis I reduces the chromosome number, and meiosis II distributes the genetically varied chromatids to form haploid gametes, hence option B. Crossing over is the correct answer.
Unique daughter cells are created in meiosis through a process called crossing over. This event occurs during prophase I of meiosis I when homologous chromosomes pair up and exchange segments of DNA between non-sister chromatids. This exchange of genetic material leads to new combinations of genes on each chromosome, contributing to genetic diversity. Furthermore, during metaphase I, homologous chromosomes line up along the metaphase plate in pairs, which does not occur in mitosis. Then, in anaphase I, these paired chromosomes are separated and moved to opposite poles of the cell. This segregation is random and is referred to as independent assortment. This process ensures that each daughter cell receives a unique combination of chromosomes from the parent cell.
Meiosis I is considered a reduction division because it reduces the ploidy level from diploid to haploid. In contrast, meiosis II is akin to a regular mitotic division, often called equatorial division, where the sister chromatids of the remaining chromosomes separate, and the chromosome number remains constant. However, due to the recombination and shuffling of genetic material in the earlier stages, the resulting gametes are all genetically distinct.
Foods that are low in sodium and rich in potassium include
Foods that are low in sodium and rich in potassium include potatoes, bananas, beans, seeds, nuts, meat, poultry, fish, eggs, dark green leafy vegetables, soy, and organ meats.
Explanation:Foods that are low in sodium and rich in potassium include:
Potatoes: Potatoes are a good source of potassium and can be prepared in various ways.Bananas: Bananas are known for their high potassium content and they make a healthy snack.Beans: Beans, such as kidney beans and black beans, are low in sodium and rich in potassium.Seeds and nuts: Seeds like pumpkin seeds and nuts like almonds are good sources of potassium.Dark green leafy vegetables: Vegetables like spinach, kale, and Swiss chard are low in sodium and rich in potassium.Meat, poultry, and fish: Lean cuts of meat, poultry, and fish are low in sodium and provide potassium.Eggs: Eggs are a low-sodium food that is also a source of potassium.Soy: Soy products like tofu and tempeh are low in sodium and contain potassium.Organ meats: Organ meats like liver are rich in potassium and low in sodium.Learn more about foods that are low in sodium and rich in potassium here:https://brainly.com/question/4523922
#SPJ12
The opening in a bone through which the blood vessels, nerves, and ligaments pass is a __________.
a. foramen
b. foramina
The opening in a bone through which the blood vessels, nerves, and ligaments pass is a foramen, which is present in Option a as the bone is the strongest part of the body and supports the body.
What is the significance of different types of bones?There are several types of bones in the body, such as long bones that are wide and primarily responsible for movement, such as the femur, tibia, and fibula, flat bones that are responsible for protecting internal organs such as the skull, ribs, Sesamoid bones are found in joints, and irregular bones are found in the pelvis.
Hence, the opening in a bone through which the blood vessels, nerves, and ligaments pass is a foramen, which is present in Option a as the bone is the strongest part of the body and supports the body.
Learn more about the different types of bones here.
https://brainly.com/question/24193723
#SPJ5