certain lizards display a survivorship curve where the chance of survival is independent of age. which line on the graph best depicts the survivorship of these lizards?
Answers
The survivorship curve that best depicts the survivorship of lizards that display a chance of survival independent of age is a type II survivorship curve. In this type of curve, the mortality rate is constant throughout the life span of the individual, indicating that the chance of survival is not influenced by age.
Type II survivorship curves are often observed in species that have relatively constant levels of predation, disease, or other environmental factors that affect mortality rates equally at all ages. Overall, this suggests that these lizards have a relatively stable mortality rate throughout their life span, regardless of their age.
The line on the graph that best depicts the survivorship of certain lizards, where the chance of survival is independent of age, would be a Type II survivorship curve. In a Type II curve, the mortality rate remains constant throughout the entire lifespan of the species. This means that individuals have an equal probability of surviving at any given age, which is a characteristic of these particular lizards.
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Related Questions
What are the eight steps used to collect and preserve DNA from a crime scene?
Answers
1. Secure the crime scene and protect evidence from contamination.
2. Collect possible sources of DNA from the scene (e.g. blood, saliva, skin cells)
3. Select the appropriate collection materials and evidence sample containers.
4. Extract DNA from the scene (e.g. swabbing, scraping, cutting, or lifting)
5. Record all evidence and details related to the collection.
6. Analyze the evidence in a laboratory.
7. Store the evidence and DNA in a secure place.
8. Document all steps of the collection and preservation process.
1. Many plants get energy from sunlight. 2. heterotroph get energy by eating other organisms.
3. Water that flows over the surface of the ground is called Surface
4. assimilation is the process by which bacteria turn nitrogen gas int
5. Dead organisms that were buried may turn into oil after millions o
6. Carbon from this material reenters the atmosphere by.
7. Explain: If energy and matter cannot be destroyed, what happens organism is eaten? Goes to other organisms that eat the organism 8. What is the law of conservation of energy? I
9. What is the law of conservation mass?
10. What is at the top of a energy pyramid?
11. A locust would be a consumer.
12. Nitrogen flows from producers through levels of consumers
13. How does water from the atmosphere return to Earth's surface?
14. What would happen to the ecosystem if there were no nitrogen-fixin bacteria?
Answers
Answer: All organisms need energy. ...
Autotrophs (producers) use energy directly from the sun or from chemicals to produce organic molecules. ...
Heterotrophs (consumers) obtain energy by consuming other organisms. ...
The flow of energy in an ecosystem can be represented with a food chain or food web
Explanation: A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.” Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients: autotrophs and heterotrophs. A consumer is an organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients from inorganic sources. Consumers are also called heterotrophs, or other-feeders Producers
Producers: Producers are organisms that get their energy directly from the Sun. Their cells are able to turn sunlight into food through a process called photosynthesis. Organisms, such as humans, take in "substrates" such as glucose, in our food. During a process called respiration, we react 4these substrates with oxygen to give carbon dioxide and water; this takes place in the mitochondria of our cells.
In an experiment, two populations of one species of fruit flies were raised for several generations on different nutrients (starch and maltose). Then the members of the two populations were reintroduced and the mating frequencies of flies from the two different populations were recorded. Fruit flies fed on starch were more likely to mate with other starch fruit flies. The same was the case for maltose fruit flies. When they did mate, their offspring were infertile. The fruit flies are physically indistinguishable and genetically similar.
Match the characteristic with the correct species concept definition.
Group of answer choices
hybrids are fertile
[ Choose ] biological ecological morphological phylogenetic
physiologically similar
[ Choose ] biological ecological morphological phylogenetic
genetically similar
[ Choose ] biological ecological morphological phylogenetic
feed on starch or maltose
[ Choose ] biological ecological morphological phylogenetic
Answers
Answer:
Hybrids are fertile --- biological concept.
Physiologically similar ---- morphological concept
Genetically similar ---- phylogenetic concept
Feed on starch or maltose ---- ecological concept.
Explanation:
Hybrids are fertile is a biological characteristics of an organism, physiologically similar is a morphological characteristic of a specie, genetically similar is a phylogenetic characteristic of a specie and feed on starch or maltose is a ecological characteristic of an organism. The ability of two individuals to successfully produce fertile offspring is biological species concept whether individuals look similar is a morphological species concept closely related individuals are evolutionarily or phylogenetic species concept.
Which change in the earth's atmosphere allowed organisms to live on land?
A) a collision with a comet
B) the development of the ozone layer
C) a strong burst of particles from the sun
D) the absorption of carbon dioxide by oceans
Answers
Explanation:
hi it's my first answer lol btw the answer is
D :)
In the animal kingdom, wild wolves joined hunter-gatherers in East Asia, where canines were domesticated and bred to have increased docility. Over thousands of years, people bred dogs with different desired personality and physical traits, eventually leading to the wide variety of dogs we see today.
Phosphorus is necessary for the growth of healthy plants. Scientists are developing plants that can grow in phosphorus-poor soil. Some of these new varieties, produced in a lab, make extra copies of a protein that helps plants obtain more phosphorus from the soil.
Breeding dogs for certain traits is a way of modifying outcomes but today's advances have enabled us to actually change certain outcomes through technology
The process being used to develop these new varieties is most likely: (SC.912.L.16.10)
A. natural selection
B. Conversely, paper chromatography
C. direct harvesting
D. genetic engineering
Answers
Doesn’t matter if it takes hundreds of years or a couple weeks, if there is an intent to alter the genes of an organism to select for desired traits, it is genetic engineering.
The process is used to develop these new varieties is most likely genetic engineering (Option D).
What is genetic engineering?Genetic engineering refers to the techniques used to modify the genetic material of an organism.
Genetic engineering techniques include, among others, recombinant DNA and genome editing systems.Genetic engineering is very useful to obtain organisms that synthesize desired proteins or crops that have desired phenotypic features.In conclusion, the process is used to develop these new varieties is most likely genetic engineering (Option D).
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Which is NOT considered an organism?
fungi
virus
bacteria
German Sheppard
Answers
Answer:
Virus.
Explanation:
Living things are organisms
Fungi is a plant which is a living thing
bacteria is an organism
and a German Shepherd is a animal which is a living thing
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the tiny clump of cells that travels down the fallopian tube is called a
Answers
The tiny cells called zygote travels down the fallopian tube and reaches the uterus for the process of implantation.
The zygote is formed by the fusion of male and female gamete.
After fusion, the zygote goes down in the fallopian tube and then reaches the uterus and then form tropoblast and inner cell mass and attached by the uterus for the process of embryo development.
The attachment of the zygote by the wall of uterus is known as in plantation after that gestation period start .
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Which of the following can lead to cancer?
A. a disruption in the cell cycle
B a cell entering the G0
C. A cell never leaving G0
D. The death of a cell
Answers
The option that can lead to cancer is a disruption in the cell cycle (option A).
What causes cancer?Cancer is a disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation.
Cell cycle is the life cycle of eukaryotic cells from a quiescent beginning, growth, duplication of DNA followed by mitosis and division. The period of time in the cell cycle when nothing is happening is known as the G0 phase i.e. inactivity.
Cancer is a genetic disorder. It happens when genes that manage cell activity mutate and create abnormal cells that divide and multiply, eventually disrupting how the body works.
Therefore, disruption or alteration in the normal procedure of the cell cycle can lead to cancer.
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Describe the characteristics of a neutralization reaction how it is identified and types of compounds in the reactants and products
A neutralization is a double displacement reaction in which one of the products is water. In a neutralization reaction, there will be an "H" in one reactant and an "OH" in the other reactant. One of the products will water, H-OH (H₂O). and is a double displacement reaction.
Answers
The characteristics of a neutralization reaction are the formation of a salt and water.
A neutralization reaction is a type of reaction in which an acid and a base react to form water and a salt.
A salt is an ionic compound containing a cation and an anion that are not H+ or OH-.
Examples of neutralization reaction:
Acid + Base → Salt + WaterHCl + NaOH → NaCl + H₂O
Identification of neutralization reaction:The characteristics of a neutralization reaction are the formation of a salt and water. The pH of the solution will be neutral (pH = 7) after a neutralization reaction.
Types of compounds in reactants and products:
Reactants: In a neutralization reaction, an acid and a base are the reactants. The acid is a proton donor, while the base is a proton acceptor. The acid and base will always be in an aqueous state.
Products: In a neutralization reaction, the products are salt and water. The water is a neutral molecule that is formed by the reaction of H+ and OH-. The salt is an ionic compound composed of a cation from the base and an anion from the acid.
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Experiments Explain the 4 properties of water shown in this picture
Explanation
Answers
Most fields that are irrigated year after year will eventually build up salt in the soil as water regularly evaporates and leaves some salt behind. One way farmers minimize this salt build up is to flood their fields every few years before planting. This flood water leaches out the salt in the soil. What advantages and disadvantages do you see in this approach?
Answers
Answer:
An advantage is that the salt will be washed out and a disadvantage is that it still leaves some salt behind
Explanation:
Irrigation is an agriculture practice which includes watering the cropland, this practice is advantageous as it washes the salt out of the soil however, some amount of salt still remains which affect the concentration of salts in soil.
What is irrigation?
Irrigation is the agricultural process which includes applying the controlled amounts of water to the land to assist the production of crops, as well as to grow the landscape plants and lawns in the agriculture lands. It may be known as watering in lawns. Agriculture which does not need irrigation but relies only up on the direct rainfall is referred to as rain-fed agriculture.
An advantage of the approach used in this case is that the salt will be washed out of the soil and a disadvantage of this approach is that it still leaves some salt behind in the soil which decreases the diffusion of water through roots due to increase in concentration of soil.
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how do organisms with many cell types develop from a single cell
Answers
Answer:
A multicellular organism develops from a single cell (the zygote) into a collection of many different cell types, organized into tissues and organs.During development, cells use both intrinsic, or inherited, information and extrinsic signals from neighbors to "decide on" their behavior and identity.
Part I Illuminating Photosynthesis #1 : Fill in this concept map depicting the major steps in photosynthesis in the chloroplast H20 of Photosystem I transfers Word Bank Electron Transport Chain ATP Synthase Calvin Cycle Light NADPH Chlorophyll Protons CO2 Photosystem II Electrons 02 to produce ATP G3P (Sugar Building Block) #2 : Fill in the table: Major Steps in Does this step depend on Experimental variable to What would happen if an Photosynthesis any other step? How? measure? herbicide disrupted this Photosystem II Photosystem l ATP Synthase Calvin Cycle
Answers
Photosynthesis in chloroplasts involves major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation. It begins with light-dependent reactions in photosystems I and II, followed by electron transport and ATP synthesis.
Step 1: Photosynthesis is a complex process that occurs in the chloroplasts of plants, involving several major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation.
Step 2:Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. It occurs in the chloroplasts, specifically in three main stages: light-dependent reactions, electron transport chain, and the Calvin cycle.
During the light-dependent reactions, light energy is absorbed by chlorophyll molecules in photosystem II (PSII) and photosystem I (PSI). In PSII, water molecules are split, releasing electrons, protons (H+ ions), and oxygen. The electrons move through an electron transport chain, creating a proton gradient across the thylakoid membrane. This gradient is essential for ATP synthesis by ATP synthase, using the energy from the electron flow.
In PSI, electrons are re-energized by absorbing more light energy and are ultimately used to produce NADPH, another energy carrier. The ATP and NADPH generated in the light-dependent reactions are then used in the Calvin cycle.
The Calvin cycle, also known as the light-independent reactions or carbon fixation, occurs in the stroma of the chloroplast. It uses ATP, NADPH, and carbon dioxide (CO2) to produce glucose (G3P), which serves as a building block for sugars and other organic compounds. The cycle regenerates the starting molecule, ribulose bisphosphate (RuBP), allowing the process to continue.
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Which is the property of matter in which a substance can transfer heat or electricity?
Answers
Answer:
Conductivity
Explanation:
Answer:
Conductance
Explanation:
Mice living on a granite hillside have coloration ranging from light to dark. The surfaces of the granite rocks are either very dark or very light. Dark mice hiding on dark patches are difficult to see and light mice hiding on light patches are equally camouflaged. Mice with gray fur can be seen everywhere and are preyed upon more heavily. What kind of selection is this?
Answers
Answer:
Disruptive selection.
Explanation:
Natural selection is the result of the phenotype-environment interaction which determines gene destiny in space and time, selecting beneficial alleles and increasing their frequency in the population. There are different types of natural selection: sexual selection, stabilizing selection, directional selection, frequency-dependent selection, and disruptive selection.
The disruptive selection causes an increase in the two types of extreme phenotypes over the intermediate forms. Limits between one extreme and the other are frequently very sharped. Individuals belonging to one phenotype can not live in the same area as individuals belonging to the other phenotype, due to the traits differences between them, competition, predation, etcetera.
In the proposed case, each population of mice is adapted to its environment: one of them is dark-furred as the color of the dark patches it lives on, and the other population is light-furred as it lives in light patches. These adaptations are probably related to survival strategies and help them to avoid predators as they camouflage with the substrate.
Both extreme phenotypes have been favored over intermediate forms, resulting in the development of two groups with very marked differences. Grey-furred mice population belongs to the intermediate phenotype which can be seen everywhere and be preyed upon more heavily. Disruptive selection does not favor this phenotype.
Disruptive selection can lead to speciation, driving to evolution. This is why it is also called "diversifying selection".
what is it called when nicotine binding to the cell signal causes release of dopamine
Answers
When nicotine binds to cell receptors and triggers the release of dopamine, it is known as nicotine-induced dopamine release. This mechanism is responsible for the rewarding and addictive effects of nicotine.
Nicotine is a psychoactive compound found in tobacco products, and it acts as a potent agonist for nicotinic acetylcholine receptors (nAChRs) in the brain. When nicotine molecules bind to these receptors, it stimulates the release of various neurotransmitters, including dopamine. Dopamine is a neurotransmitter associated with the brain's reward and pleasure pathways. When nicotine-induced dopamine release occurs, it leads to an increase in dopamine levels in specific brain regions, such as the nucleus accumbens.
This surge in dopamine produces feelings of pleasure, satisfaction, and reward, reinforcing the addictive properties of nicotine. Nicotine-induced dopamine release is a key factor in the addictive nature of tobacco products and contributes to the reinforcement of smoking behaviors. It creates a positive reinforcement loop, as the pleasurable effects of nicotine drive individuals to seek and continue tobacco use.
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Chargaff's rule.
Strands of DNA. Complete the chart below following
S313
DNA Strand
Сс T ATATGTGG CT CCGT GT GAC CTC
Complementary
Strand
CC
Da
Answers
Answer:
ATATGTGG CT CCGT GT GAC CTC
TATACACC GA GGCA CA CTG GAG
I assume you want me to pair this DNA strand with its complementary strand. I've just added the appropriate base, using the rule T-A and C-G.
On the diagram below,circle the following
Answers
Answer:
where is the following??
Answer:
an electron in the hydrogen atom makes a transition from an energy state of principle quantum number ni to n=2state if the photon is emitted has a wavelength of 434 what is the value of the ni
an electrochemical cell is constructed such that on one side
Answers
An electrochemical cell is constructed in such a way that one side has a piece of copper metal placed in a copper sulfate solution, while the other side has a piece of zinc metal placed in a zinc sulfate solution.
Electrodes, the substance in which the redox reactions take place, are on both sides of the electrochemical cell. Copper, which is a good conductor, is used for the cathode. Zinc, on the other hand, is used as the anode. The anode and cathode are separated by a salt bridge or porous membrane in an electrochemical cell. The salt bridge provides a channel for ions to move freely between the anode and cathode sides. Electrons flow from the anode to the cathode via a wire, while ions travel through the salt bridge, establishing electrical neutrality on both sides of the cell.
Electrons are released from the zinc atoms and flow to the copper atoms through the external circuit, generating a current in the process. Zinc metal becomes zinc ions, while copper ions are reduced to copper metal on the cathode. The reaction is shown below as follows:$$\ce{Zn (s) → Zn^{2+} (aq) + 2 e-}$$$$\ce{Cu^{2+} (aq) + 2 e- → Cu (s)}$$In summary, the electrochemical cell has an anode, a cathode, and a salt bridge or a porous membrane. Electrons are released from the anode and travel to the cathode through an external circuit, generating an electric current. The salt bridge or porous membrane allows for the free flow of ions between the anode and cathode, maintaining electrical neutrality.
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What step of the scientific method explains why the results turned out the way it did
Answers
Conclusion is the step of the scientific method explains why the results turned out the way it did.
What are the steps of scientific method?There are seven steps of the scientific method which are the following:
1. Ask a question: The first step in the scientific method is asking a question that you want to answer.
2. Perform a research about the given topic.
3. Make your hypothesis. Hypothesis is a statement which may be true or false.
4. Test your hypothesis by conducting an experiment or a series of experiments.
5. Make an observation.
6. Do analysis about the results and draw a conclusion on the basis of given data.
7. Present the findings to the world.
So we can conclude that Conclusion is the step of the scientific method explains why the results turned out the way it did.
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What is the temperature structure of the troposphere? What percent of the atmosphere is in the troposphere in height? In mass?
help!!!
Answers
Answer:
The tropospheric temperature only decreases from an average of 0°C (32°F) at sea level to about −45°C (−49°F) at the tropopause. At the equator, tropospheric temperatures decrease from an average of 20°C (68°F) at sea level to about −70°C to −75°C (−94 to −103°F) at the tropopause.
Earth science includes all of the sciences related to planet Earth. How many sciences are included in earth science
Answers
Answer:
ugh what that guys said is correct
Explanation:
A renewable resource
a. will always be a renewable resource.
b. can be used so that it becomes non-renewable.
c. will always become a non-renewable resource.
d. none of these.
Answers
Answer:
In my opinion ...it is option A:)
Bloodtype phenotype Genotype
A+
B+
A-
B-
AB+
O+
O-
Answers
Answer:
The genotype must be AB. Someone with blood type O has neither the A nor the B allele.
Explanation:
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as food enters the stomach, this hormone stimulates secretion of gastric juices by cells in the stomach. (True/False)
Answers
Yes, it is true that this hormone increases the release of gastric fluids by stomach cells whenever the food enters the stomach.
The stomach is located about which sides of the body?The stomach, a muscular organ, is located on just that left of the upper peritoneal. Through to the esophagus, food reaches the stomach. As food reaches the back of the esophagus, a muscle valve called the descending esophageal sphincter allows it to flow through the stomach.
What is the main function of the stomach?In humans, it appears that aiding in digestion is the stomach's main function. The four basic characteristics of gastric digestion process are acid secretion, biochemical secretion, enhanced processing, and its function as a repository.
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factor that changes as a result of changes in other variables
Answers
Answer:
dependent variables 2.independent variable .Explanation:Which of the following answers correctly lists the phases of the swallowing process before the bolus enters the stomach? O pharyngeal buccal esophageal Obuccal pharyngeal esophageal buccal esophageal pharyngeal O esophageal pharyngeal buccal
Answers
The following answers correctly lists the phases of the swallowing process before the bolus enters the stomach is B, Buccal, pharyngeal, esophageal.
The swallowing process is a complex process that involves the movement of food from the mouth to the stomach through a series of interconnected muscular movements known as peristalsis. There are three stages of swallowing, each of which serves a different purpose, and it is crucial that these stages occur in the right order to ensure efficient and safe swallowing. The three stages of swallowing are the oral (or buccal) stage, the pharyngeal stage, and the esophageal stage.
In the oral stage, the tongue and jaw work together to form a bolus of food, which is then pushed towards the back of the mouth. In the pharyngeal stage, the bolus of food is pushed down the throat by the contraction of muscles in the throat, which then triggers the closing of the airway and prevents the bolus from entering the lungs. Finally, in the esophageal stage, the bolus is moved down the esophagus by peristalsis and enters the stomach.
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abnormal accumulation of fibrosis connective tissue in skin, muscle, or joint capsule that prevents normal mobili
Answers
Abnormal accumulation of fibrosis connective tissue in the skin, muscle, or joint capsule can result in restricted mobility. This condition, known as fibrosis, hinders the normal movement of affected areas, leading to functional impairment and discomfort.
Fibrosis is characterized by the excessive deposition of collagen, a protein that provides structure and support to tissues. When an injury or inflammation occurs, the body initiates a wound healing response that involves the production of collagen. However, in cases where the healing process becomes dysregulated, an excessive amount of collagen is produced, resulting in fibrosis.
The accumulation of fibrotic tissue causes the affected area to become stiff, less flexible, and prone to limited range of motion. In the skin, fibrosis can lead to tightness, thickening, and reduced elasticity, affecting movement and causing discomfort. In muscles and joint capsules, fibrosis restricts the natural gliding and stretching of tissues, resulting in reduced mobility and potential joint contractures.
Various factors can contribute to the development of fibrosis, including chronic inflammation, tissue injury, autoimmune diseases, genetic predisposition, and certain medications. Treatment options for fibrosis focus on managing underlying conditions, reducing inflammation, and promoting tissue remodeling. Physical therapy, medications, and in severe cases, surgical interventions may be recommended to improve mobility and alleviate symptoms caused by fibrosis.
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List two diseases that are the result of a viral
attack on the human nervous system.
Answers
Answer:
rabies , Tick-borne encephalitis
Explanation:
Answer:
look at the bottom
Explanation:
Acute - the most common diseases caused by acute viral infections are encephalitis, flaccid paralysis, aseptic meningitis, post infectious and encephalomyelitis.
6. Who linked the principle of segregation to the process of meiosis?
Answers
The principle of segregation, also known as Mendel's first law, states that during the formation of gametes (sex cells), the alleles (different versions of a gene) for a trait separate from each other so that each gamete only carries one allele for that trait. The process of meiosis is the cellular division that produces gametes.
It was Gregor Mendel who originally observed the principle of segregation through his experiments with pea plants in the 1860s. However, it wasn't until the early 20th century that the connection between segregation and meiosis was made.
Theodor Boveri, a German biologist, first proposed in 1902 that meiosis was the mechanism responsible for Mendel's principle of segregation. Boveri's experiments with sea urchins showed that chromosomes, which carry the genes that determine traits, also separate during meiosis in a way that ensures each gamete only receives one copy of each chromosome.
Later, Thomas Hunt Morgan and his colleagues confirmed Boveri's hypothesis through their experiments with fruit flies. They observed that the segregation of traits followed the same pattern as the segregation of chromosomes during meiosis.
Overall, it was Boveri who first linked the principle of segregation to the process of meiosis, and his work laid the foundation for our modern understanding of genetics.
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