The right answer is C. birds and bats.
There are two types of classification, which present some differences, so they classify the animals differently:
Linnaean classification:
The species (biologically defined by inter-fertility) is the basis of the classification. It is stored in a system of boxes more or less predefined (at least when the outline of the classification are well established).
Reign comprising different branches themselves composed of Classes which group Orders formed of Families composed of Genres in which the species are placed.
If we find a new species (current or fossil), we try to place it in an existing box, taking into account all of its characters. If this is not possible, we create one (or a series of new boxes - new genre - new family ...).
The outline of the classification was drawn before the ideas of evolution, using states of character that a subsequent study recognized as derivatives, but also ancestral states. Groups of the same level (Class for example) can drift from each other.
Cladistic phylogenetic classification:
It is based on the phylogenetic tree. The defined groups are monophyletic: they include a hypothetical ancestor (a node of the tree) and the complete set of his descendants. If one group gives birth to another, it belongs to it and forms a subset.
The advantage is obvious: a perfect match with the most probable scenario of the evolution of the studied group. The disadvantage is the multiplication of nesting levels, already 10 for the vertebrate tree below which is however greatly simplified.
A fungus that is a parasite might feed on a _____.
The body region typically referred to as the elbow is anatomically called
The anatomical term for the elbow is the elbow joint, which comprises the articulation between the trochlea of the humerus and the trochlear notch of the ulna, as well as the capitulum of the humerus and the head of the radius.
Explanation:The body region commonly known as the elbow is anatomically referred to as the elbow joint. This joint is formed by the articulation between the trochlea of the humerus and the trochlear notch of the ulna, along with the joint between the capitulum of the humerus and the head of the radius. The forearm, located between the elbow and wrist joints, contains the ulna medially and the radius laterally. The elbow's complex structure allows for flexion and extension movements essential for upper limb function.
To help sort out those bacteria that have the vgp gene, scientists first attempt to grow the bacteria both in a medium with ampicillin and in a medium without ampicillin. demonstrate your understanding of this step by sorting the four bacterial classes based on where they will grow.
Describe one example of poaching that is prevalent
To treat certain brain tumors, doctors can use small beams of _____ that are focused to kill only the tumor cells.
A nurse assesses a postoperative patient two days after chest surgery. what findings indicate that the patient requires better pain management (select all that
I dentify four threats to the biodiversity in your own environment and briefly explain each threat
Explain why the water plant contains the pesticide ddt
The water plants contain DDT or dichlor-diphenyl-tricloroehane was developed in the 1940s as an insecticide. Because of its availability, it is inexpensive, has a high rate of longevity and can readily be produced that is why it is mostly used as the main ingredient. However, the manufacturing of this product has stopped due to the effects that it has on humans and other organisms. It can accumulate in plants and can destroy fatty tissues in organisms.
Answer:
Explanation:The water plants contain DDT was developed as an insecticide. Because of its availability, it is inexpensive, has a high rate of longevity and can readily be produced that is why it is mostly used as the main ingredient. However, the manufacturing of this product has stopped due to the effects that it has on humans and other organisms. It can accumulate in plants and can destroy fatty tissues in organisms.
In an atom, what and what have equal numbers?
Before administering an intermittent tube feeding through a nasogastric tube, the nurse checks for gastric residual volume. which is the best rationale for checking gastric residual volume before administering the tube feeding?
How are DNA and cellular reproduction linked in the process of inheritance?
If you encounter an animal on the roadway, it's best to
The most abundant source of methane in the globe is _______.
Answer:
b.
methane hydrates
Explanation:
Edge 2020
Ocean Exploration
During dna replication two extra guanine bases are added to the dna. what type of mutation is this
frameshift mutation -apex
How does temperature affect the structure of the enzyme does this relate to enzyme activity?
Final answer:
Temperature significantly impacts enzyme activity and structure; enzymes function optimally within a specific temperature range and may denature at high temperatures, losing their three-dimensional shape and functionality.
Explanation:
Temperature affects enzyme structure as enzymes are proteins sensitive to thermal changes. An increase in temperature can initially lead to an increase in enzyme activity, which generally doubles for every 10°C rise up to the optimal range. However, beyond this optimal range, high temperatures can denature the enzyme. Denaturing involves the breaking of weak bonds in the enzyme's structure, causing it to lose its three-dimensional shape and, consequently, its functionality. Denaturation is often irreversible and leads to a loss of enzymatic activity, as the enzyme's active site is distorted, making the enzyme less effective, or completely unable to bind its substrate.
Enzymes are optimally active within a specific temperature range, which correlates with the body temperature of the respective organism. For mammals, temperatures around 50°C can denature body proteins, including enzymes. Similarly, a decrease in temperature can also reduce enzyme activity by half for each 10°C drop in temperature. Homeostasis is the process by which organisms maintain a constant internal environment, which includes maintaining an optimal temperature for enzyme activity, ensuring efficient metabolic reactions.
For animals, the final hydrogen acceptor in cellular respiration is ____.
The process of meiosis is responsible for creating much of the genetic variation seen in sexually reproducing organisms. which events in the process of meiosis generate this genetic variability?
Meiosis generates genetic variability through crossover and random alignment, which happen during the first meiotic division. Here, chromosomes exchange parts and randomly assort themselves, leading to unique genetic combinations in the gametes. The fusion of any sperm with any egg during sexual reproduction further enhances this genetic diversity.
Explanation:The process of meiosis is a crucial driver for genetic variability in sexually reproducing organisms. Genetic diversity is primarily introduced during two events in meiosis - during crossover in Prophase I and random alignment at Metaphase I. In crossover, the non-sister chromatids of homologous pairs of chromosomes exchange genes, leading to hybrid chromosomes containing both maternal and paternal genes. Random alignment, on the other hand, relates to the random orientation of tetrads (a set of four chromatids) on the metaphase plate, which introduces the chance for variance in the grouping of paternal and maternal chromosomes that are passed onto gametes.
In addition, genetic variation is also enhanced by random fertilization, whereby any sperm can fuse with any egg, leading to a mix of genetic traits. The resultant haploid (half the usual number of chromosomes) reproductive cells (or gametes) produced by meiosis are therefore genetically unique.
Sexual reproduction, through the process of meiosis, thus significantly contributes to the continuous evolution and diversity found within species. This is a primary reason why almost all multicellular organisms on Earth uptake sexual reproduction as a part of their life cycles.
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Which flow chart best shows the relationship between the cell structures that are listed? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A) gene > DNA > chromosome > nucleus ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ B) gene > chromosome > DNA > nucleus ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C) DNA > gene > chromosome > nucleus ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ D) DNA > chromosome > gene > nuckeus ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Answer: The correct answer is- A) gene > DNA > chromosome > nucleus.
A gene can be described as segment of DNA ( deoxyribonucleic acid) that codes for specific protein, which inturn determines the trait/ characteristic of an individual.
Chromosomes are the threadlike structures that are composed of DNA and they are present within the nucleus of eukaryotic cells ( suh as plant and animal cell).
Thus, flow chart in option A) correctly shows the relationship between the cell structures that are listed.
The kidney is referred to as an excretory organ because it excretes ___(1)___ wastes. it is also a major homeostatic organ because it maintains the electrolyte, ___(2)___ , and ___(3)___ balance of the blood. urine is continuously formed by the ___(4)___ and is routed down the ___(5)___ by the mechanism of ___(6)___ to a storage organ called the ___(7)___ . eventually, the urine is conducted to the body ___(8)___ by the urethra. in the male, the urethra is ___(9)___ centimeters long and transports both urine and___(10)___. the female urethra is___(11)___ centimeters long and transports only urine. voiding or emptying the bladder is called ___(12)___. voiding has both voluntary and involuntary components. the voluntary sphincter is the ___(13)___ sphincter. an inability to control this sphincter is referred to as ___(14)___.
________ are large lymphoid nodules that are located in the walls of the pharynx. ________ are large lymphoid nodules that are located in the walls of the pharynx. immune complexes spleens tonsils lymph nodes peyer's patches
Tonsils are large lymphoid nodules in the walls of the pharynx that play a vital part in developing immunity to oral pathogens. They have tonsillar crypts that accumulate and eliminate materials from eating and breathing, hence playing a crucial role in recognizing, destroying, and developing immunity to common environmental pathogens.
Explanation:Tonsils are large lymphoid nodules that are located in the walls of the pharynx. They play a crucial role in developing immunity to oral pathogens. Histologically, tonsils do not contain a complete capsule, and the epithelial layer invaginates deeply into the interior of the tonsil to form tonsillar crypts, which accumulate all sorts of materials taken into the body through eating and breathing.
When pathogens penetrate deep into the tonsillar tissues, they are acted upon by numerous lymphoid follicles and eliminated. This seems to be the major function of tonsils, to help children's bodies recognize, destroy, and develop immunity to common environmental pathogens.
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Which of the following best explains how the structures of chitin and cellulose make them hard to digest
Answer:
The correct answer is D. They both have an alternating arrangement of glucose molecules, but cellulose has hydrogen bonds while chitin has amino group bonds.
What structures connect the individual heart muscle cells?
Intercalated discs connect individual heart muscle cells. They include gap junctions for rapid electrical conduction and desmosomes for physical stability.
Explanation:The structures that connect the individual heart muscle cells are called intercalated discs. Intercalated discs are microscopic junctions that are unique to cardiac muscle tissue. They form end-to-end connections between the individual cardiomyocytes, enabling the heart to contract as a unified whole rather than as a collection of individual cells. These discs contain gap junctions and desmosomes. Gap junctions create pathways for the rapid spread of electrical impulses across the heart, thus facilitating the synchronized contraction of the heart. On the other hand, desmosomes help anchor cells together, thereby allowing the heart to withstand the physical stress of constant pumping.
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What is the primary energy-transferring molecule in cells?
The primary energy-transferring molecule in cells is ATP (adenosine triphosphate).
ATP is produced in cells through a process called cellular respiration. Cellular respiration is a complex process that breaks down glucose and other food molecules into smaller molecules, releasing energy in the process. This energy is then used to produce ATP.
Cellular respiration takes place in two main stages: glycolysis and oxidative phosphorylation.
1. Glycolysis is the first stage of cellular respiration and it takes place in the cytoplasm of the cell. Glycolysis breaks down glucose into two molecules of pyruvate, releasing two molecules of ATP and two molecules of NADH in the process.
2. Oxidative phosphorylation is the second stage of cellular respiration and it takes place in the mitochondria of the cell. Oxidative phosphorylation breaks down pyruvate into carbon dioxide and water, releasing energy in the process. This energy is used to produce ATP.
The most important step in oxidative phosphorylation is the electron transport chain. The electron transport chain is a series of enzyme complexes that pass electrons from one to another, releasing energy in the process. This energy is used to pump protons across the inner mitochondrial membrane. The protons then flow back into the mitochondrial matrix through a channel called ATP synthase, driving the production of ATP.
ATP transfers energy by transferring one of its phosphate groups to another molecule. This process is called phosphorylation. When ATP loses a phosphate group, it becomes ADP (adenosine diphosphate). ADP can then be phosphorylated again to become ATP, using energy from cellular respiration.
The transfer of a phosphate group from ATP to another molecule releases a significant amount of energy. This energy can be used to power a variety of cellular processes, such as muscle contraction, protein synthesis, and active transport.
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The __________ guards the opening at the back of the throat that leads into the trachea.
pharynx
epiglottis
larynx
glottis
The epiglottis protects the opening of the trachea by covering it during swallowing, preventing food and liquids from entering the respiratory system.
Explanation:The structure that guards the opening at the back of the throat and leads into the trachea is the epiglottis. The epiglottis is a flexible piece of elastic cartilage that covers the opening of the trachea. During swallowing, the epiglottis folds inferiorsly, resting on the glottis, thus preventing swallowed material from entering the larynx and the respiratory tract beneath.
This action protects the trachea from aspirated food or liquids and facilitates the passage of food into the esophagus instead. If food mistakenly enters the trachea, it triggers a cough reflex to expel the material.
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Which disease is the most common type of hyperthyroidism?
A theory is constantly subject to testing, modification, and may even be refuted as new evidence and ideas emerge. Which of the following is a popular theory that is studied extensively in marine science?
Conservation of energy
Conservation of mass
Evolutionary theory
Gravity
i think it is Evolutionary Theory
Answer:
The answer is C
Evolutionary Theory
Explanation:
Got it correct on the test
The theory of evolution by natural selection is a foundational concept in biology studied extensively in marine science, which explains biological diversity and is supported by substantial evidence and testing.
In marine science, the theory of evolution by natural selection is a popular theory that is studied extensively. This theory is significant to our understanding of biological diversity in marine life. The theory suggests that species change over time due to natural selection, where organisms better adapted to their environment tend to survive and reproduce, passing on advantageous traits to their offspring.
The theory of evolution is a foundational concept in biology, and unlike the general use of the term 'theory' as a simple guess, in science, it represents a well-supported body of knowledge that has stood up against rigorous testing and evidence. While the theory of evolution is continuously subject to testing and modification, it remains a key explanation for the diversity of life on Earth, both on land and in the oceans.
What role do mitochondria play in the production of ATP in cells?
A(n) ___________ is a cut in which a portion of the skin or other soft tissue is partly or completely torn away, exposing fat or muscl
A laceration is a tear or cut in the skin that may expose underlying tissues such as fat or muscle, with a risk of infection. Cleaning and proper care are necessary to promote healing, often involving the excision of damaged tissue and possibly suturing.
A laceration is a cut in which a portion of the skin or other soft tissue is partly or completely torn away, exposing fat or muscle. This type of injury can penetrate through various layers of skin, including the hypodermis, which is the subcutaneous layer of skin composed mainly of loose connective and fatty tissues. Lacerations are different from an incision, which is a precise cut made in the body to perform surgery. When the skin is broken, there is a high risk of infection because bacteria can enter through the wound and potentially spread to other parts of the body.
Care for a laceration typically involves cleaning the wound to prevent infection, which might include the excision of damaged tissues and cell debris from the wound or burn to promote healing. In some cases, the wound might require suturing to close the wound edges, and procedures such as dermabrasion, surgery, or ablation may be involved, depending on the severity and nature of the injury.
Dna consists of coding sections (known as ________) and non-coding sections (known as _________). exons / protons introns / protons exons / introns introns / exons
DNA consists of coding sections (known as exons) and non-coding sections ( known as Introns ).
What is exons ?The coding section of DNA or RNA that code for proteins The exons are involved in formation of mature mRNA ( messenger RNA ) by covalent bond to one another.What is introns?The non-coding sections of section of a tRNA ( RNA transcript) or DNA The introns are not expressed in final messenger RNA (mRNA) product.learn about DNA,
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How would a muscle injury surrounding a broken vessel effect hemostasis?