Describe how human activities threaten polar bears in the arctic
During the course of successful prenatal development, a human organism begins as a(n) _____ and ends up as a(n) _____.
Throughout prenatal development, a human organism begins as a zygote and becomes a newborn. The fetus stage spans from the ninth week of gestation until birth, during which vital development and differentiation occur.
Explanation:During the course of successful prenatal development, a human organism begins as a (n) fertilized egg (zygote) and ends up as a (n) newborn. Throughout prenatal development, specifically starting from the ninth week of gestation, the organism is referred to as a fetus. This is an important stage in human development that continues until birth, marked by immense cell growth and the differentiation necessary to fully develop the structures and functions of the immature organ systems that were formed during the embryonic stage.
The entire prenatal journey encompasses several stages, starting with the germinal stage immediately after fertilization, proceeding through to the embryonic stage which lasts until the eighth week, and finally entering the fetal stage from the ninth week to birth. Significant development occurs during these stages, including sexual differentiation within the fetal period, organogenesis, and other crucial processes. The result of this intricate process is the birth of a human capable of survival outside the womb.
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Which term refers to the relative amounts of fat and lean tissue in the body?
Body composition refers to the term that refers to the relative amounts of
fat and lean tissue in the body
Body composition refers to the amount of fats, bone, water and lean
tissue(muscles) in the body. It is often used to calculate the weight of an
individual.
Body composition is also used by Doctors to determine if a person is healthy or not as the percentage of fat in the body mass will help to determine that.
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The nurse is preparing a client for a colonoscopy. the nurse is familiar with the colonoscopy procedures at the hospital and is aware that which type of anesthesia is commonly used for this procedure?
Conscious sedation is often used for colonoscopy procedures. This form of anesthesia allows patients to be in a relaxed and painless state while still being able to breathe independently. Recovery time is typically quick with a lesser degree of side effects compared to general anesthesia.
Explanation:In respect to colonoscopy procedures, a type of anesthesia often utilized is called conscious sedation. Unlike general anesthesia, which wholly knocks out a patient, conscious sedation dampens pain responses and can make the patient feel as though they are in a deep sleep. It provides a balance where the patient is relaxed and comfortable but breathing independently without the need for anesthesiologist control for respiration as necessitated in general anesthesia.
Patients under conscious sedation can generally follow some simple commands and respond to physical stimulation. In most cases, they also have a swift recovery time and a lack of side effects frequently linked with general anesthesia. This type of anesthesia is common in many outpatient procedures including colonoscopies.
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What factors are examined by the field of demography? check all that apply. birth and death rates in a population population size predator-prey interactions distribution of ages in a population?
Answer:
age, ethnic groups, income level and religious practices
Explanation:
Which type of cartilage covers and protects the ends of bones at freely movable joints?
Which person would be most likely to cut out sweets, then eliminate more and more types of foods, but not engage in forced vomiting? someone experiencing restricting-type anorexia nervosa someone experiencing purging-type anorexia nervosa someone experiencing bulimia nervosa someone experiencing acute-type bulimia nervosa?
The layer of connective tissue on the inside of bones is called
Chronically high cortisol levels can be harmful to an individual by:
Organisms are taxonomically classified based on structural and genetic characteristics. Chimpanzees, or Pan troglodytes, are hominids found mainly in equatorial Africa. Chimpanzees are unique in that, similar to humans or Homo sapiens, they sometimes use tools to complete tasks such as obtaining certain kinds of food. Which of the following levels of taxonomic classification do humans and chimpanzees not have in common? A.class B.phylum C.family D.species
The correct answer is D. Species
Explanation:
According to taxonomy, Homo sapiens and Chimpanzees derive from a common ancestor and therefore share common features as well as different levels of taxonomic classification, this includes the Kingdom that in both is Animalia as both are animals, the Phylum that is Chordata as they are both vertebrates and the Family that in both is Hominidae as they are classified either as hominids or apes. However, they are not from the same species, because this is one of the most specific levels and it is defined by organisms being able to produce fertile offspring which is not possible between chimpanzees and humans, in this way the species of chimpanzees is Pan troglodytes and the species in humans is Homo Sapiens.
What cell part is described as flattened membrane sacs and tubes that are believed to be centers for collecting and packaging cell structures and enzymes?
cell wall
mitochondria
chloroplasts
cytoplasm
Golgi complex
endoplasmic reticulum
the answer is golgi complex
In photosynthesis what substances come in from the outside
Final answer:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants. These substances combine to produce glucose and oxygen. Carbon dioxide is obtained from the atmosphere, and water is absorbed by the roots of the plant.
Explanation:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants. During the process, these substances combine to produce glucose, a carbohydrate, and oxygen as a waste product. Carbon dioxide is obtained from the atmosphere through diffusion, while water is absorbed by the roots of the plant. Sunlight is absorbed by chlorophyll in the chloroplasts of the leaf cells, where photosynthesis takes place.
What advantage does giving birth in the harshest part of winter give to the grey seal pups?
Answer:
The grey seals are found in the shores of the Atlantic Ocean. They breed in several colonies on and near the coast. They exhibit coloration of blackish to whitish specks. The males are darker in skin color than in females. The pups are born with yellow and white tint. A thick layer of skin called as blubber develops around the skin of the new ones which helps in providing them with insulation against the cold atmosphere.
Several people in Kate’s town began suffering from a common disease over the past month. Kate approached a group of environmental scientists to help solve the problem.
Which field/subject can help the environmental scientists address the issue?
epidemiology
mathematics
astronomy
chemistry
physics
NextReset
Epidemiology is the field/subject that can help the environmental scientists address the issue
Epidemiology is the branch of science that deals with the spread, incidence and control of health and disease conditions in specified populations. Epidemiological investigation provides information about the number of individuals that have a disease or disorder, if there is any change in the numbers, how the society is being affected by the disease and how the disease can be controlled/ prevented.
Answer:
Epidemiology
Explanation:
The study of disease spread
A group of cnidarians that provide food and shelter for many kinds of animals are the ____.
A. jellyfish
B. hydras
C. Sea anemones
D. corals
Answer: D=corals
Explanation:I JUST TOOK THE TEST!!
A certain virus infects one in every 400 people. a test used to detect the virus in a person is positive 80% of the time if the person has the virus and 8% of the time if the person does not have the virus.
Where does a nurse expect to hear bronchovesicular lung sounds in a healthy adult?
Bronchovesicular lung sounds are normally heard over the major bronchi between the first and second intercostal spaces anteriorly and between the scapulae. During auscultation, a nurse uses a stethoscope, after cleaning it and positioning appropriately, to listen for these healthy lung sounds in a patient.
A nurse expects to hear bronchovesicular lung sounds in a healthy adult between the trachea and the upper part of the lungs near the spine. These sounds represent the medium pitch breath sounds that emanate from the larger airways, where the sounds of air moving through the bronchial tree and alveoli are approximately equal. During the process of auscultation, the nurse uses a stethoscope to listen to lung sounds. Specific areas where bronchovesicular sounds are typically heard are over the major bronchi, usually between the first and second intercostal spaces anteriorly near the sternum, and between the scapulae (shoulder blades).
The auscultation starts by ensuring that the equipment is clean and ready. The stethoscope earpieces are rotated slightly anterior, and with the diaphragm positioned on the triangle of auscultation, an area medial to the inferior angle of the scapula, the nurse listens for these normal lung sounds.
Mistletoe grows on other plants, tapping into the nutrients of the host plant. mistletoe can kill its host plant. the relationship between mistletoe and its host plant is best described as a(n) ______________.
Answer: The type of relationship your answer is about is parasitism it’s when Parasitism is a symbiotic relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O.
Greenhouses are used to allow plants to grow during winter months. How does a greenhouse increase the growth of plants?
Answer:
It increases the energy available to plants.
Explanation:
______represents the presence of the rhesus protein on blood.
The hormone found only in pregnant women that, when detected, confirms pregnancy is
A compound with only two atoms would not have what?
A.) Chemical structure
B.) Chemical bond
C.) Bond length
D.) Bond angle
F a drug has the side effect of inhibiting osteoblast activity, how may taking this drug impact the patient's skeletal system?
Why is chemical weathering rapid in the tropics?
The sound of the old man's heart most likely symbolizes ____________.
The sound of the old man's heart most likely symbolizes narrator is tormented by the sound of his own heart beating.
What is sound?Sound is defined as a vibration that travels through a transmission medium, such as a gas, liquid, or solid, as an acoustic wave.
It can also be defined as a mechanical disturbance that spreads through an elastic material medium and disrupts an equilibrium condition.
Sound is crucial because it engages viewers, aids in information delivery, boosts production value, elicits emotional reactions, highlights what's on screen, and is utilized to convey mood.
Amplitude, wavelength, period, frequency, and speed or velocity are the five properties of sound.
To prevent the transfer of sound energy from one environment to another, assembly materials are separated also known as decoupled.
Thus, the sound of the old man's heart most likely symbolizes narrator is tormented by the sound of his own heart beating.
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Is the Answer C? Which of the following best explains how subcellular organelles interact to form polypeptides? Lysosomes catalyze chemical reactions that join amino acids on the endoplasmic reticulum. Mitochondria produce ATP that is used by ribosomes for transcription and translation in the nucleus. mRNA is synthesized from DNA in the nucleus and then goes to the cytoplasm, where a ribosome translates it. Ribosomes translate rRNA into proteins on the endoplasmic reticulum and send them to the Golgi complex for processing.
Polypeptides are just actually proteins which are unfolded. And so we ask how are proteins made? Remember that we learned about DNA being transcribed to mRNA, and then those mRNA's 3-letter codons are being translated by ribosomes into a polypeptide chain, and then finally folded into a protein. So yes, the answer is C.
A toothpick found in a pizza is an example of what type of contamination
A toothpick in a pizza represents contamination by adulteration with foreign bodies, with foreign bodies referring to non-food substances that contaminate food. This type of contamination can pose a physical hazard to consumers.
A toothpick found in a pizza is an example of adulteration by foreign bodies, which is one type of food contamination. Foreign bodies are substances or particles that are not meant to be in food. This can include a variety of items such as metal fragments, glass, wood splinters (like toothpicks), bone fragments, and plastic pieces.
Adulteration with foreign bodies can occur at any point in the food preparation and service chain, from production to serving. In the specific case of a soup container forgotten in the refrigerator showing contamination, the contaminants are likely from microbial growth due to spoilage rather than cross-contamination, which is when food becomes contaminated by microbes from another food.
Things like your eye color and height are not under your control. This is because they are determined by your genes. So, eye color is a good example of an inherited __________. A) estate B) gene C) height D) trait
Answer:trait
Explanation:
Things like the eye color and height are not under the control because they are determined by the genes. So, eye color is a good example of an inherited trait that is in Option D.
What is a trait?A trait is a distinguishing characteristic or quality that is determined by an individual's genes or genetic makeup. Traits can include physical characteristics such as eye color, height, and hair color, as well as behavioral traits like shyness or outgoingness. Inherited traits are those that are passed down from parents to their offspring through genetic material like DNA. Eye color is a good example of an inherited trait because it is determined by multiple genes inherited from both parents and cannot be changed by personal choices or external factors.
Hence, So, eye color is a good example of an inherited trait that is in Option D.
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How are chemical equations of photosynthesis and cellular respiration similar or different ?
Final answer:
Photosynthesis and cellular respiration are opposite processes that form the carbon-oxygen cycle, with the former producing glucose and oxygen, and the latter using these compounds to release energy. Both involve similar cellular features, such as electron transport chains and ATP generation.
Explanation:
The chemical equations of photosynthesis and cellular respiration are similar in that they are essentially the opposite of each other. Photosynthesis converts light energy into chemical energy and produces glucose (C6H12O6) and oxygen (O2) as its products. Cellular respiration, in contrast, uses glucose and oxygen to release stored energy, producing carbon dioxide (CO2) and water (H2O) as waste products. This creates a cycle where the products of one process become the reactants of the other, known as the carbon-oxygen cycle.
Additionally, both processes share similarities in cellular features and processes, including the use of electron transport chains and the generation of ATP (adenosine triphosphate). In this cycle, the mitochondria are involved in cellular respiration, while chloroplasts are involved in photosynthesis.
The harmless scarlet kingsnake has scales in a coloration and pattern resembling the scales of the dangerous coral snake. The scarlet kingsnake is using __________ to avoid predation
The scarlet kingsnake is using mimicry to avoid predation.
What are scarlet kingsnakes?This a specie of snakes mostly kingsnakes found in the southeastern and eastern portions of the United States. they are also referred as scarlet milk snake.
Predation is a biological interaction in which one organism, the predator, kills and consumes another, the prey. It is one of several common feeding behaviors, including parasitism, micropredation, and parasitoidism.
In evolutionary biology, mimicry is defined as an evolved resemblance between an organism and another object, most often another organism of the same species. Mimicry can occur between species or between individuals of the same species.
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