A population of 288 cichlids lives in a lake with ample food, oxygen, and shelter. Over the course of one year, 375 new cichlids are born and 105 older cichlids die.
Population Growth
StartFraction d Upper N Over d t EndFraction = Upper B minus Upper D
What is the new population size of cichlids?
(
)
Answers
Answer:588
Explanation:
Related Questions
Find the element in the periodic table. Find out the period (rows) it is in, and draw that number of circles.
Answers
Answer:
Name of element: Oxygen (O)
Period (Row): 2
The number of the period (row) in which the element is in tells us how many energy levels (known as shells or circles) the element has.
Because Oxygen is in row 2 it tells us we need to draw 2 circles.
The group that the element is in also tells us the number of electrons present in the element's outer energy level (also known as an outer shell or outer circle).
Because Oxygen is in group 6 it must have six electrons on its outer energy level.
We know that the first energy level always has two electrons.
So we draw two energy levels. On the first energy level, we draw 2 dots or crosses (to represent the two electrons). On the second energy level, we draw 6 dots or crosses.
Hope this helped and if you require more assistance from me, please comment below! :)
In this answer (you did not specify which element to use so I've written down the steps if you want to choose another element) I've written Oxygen as an example.
Help pleaseeeee
A patient has a severe bacterial infection. within a few weeks of treatment with an antibiotic, the bacterial population consists entirely of
antibiotic-resistant bacteria. How can this outcome most likely be explained?
OA The antibiotic caused a mutation in the bacteria's RNA,
OB. The bacteria began reproducing at a faster rate than before the antibiotic treatment.
Oc. The antibiotic created resistance in the bacteria, and the bacteria are passing the resistance to one another.
oDA Small population of antiblotic-resistant bacteria were present before the treatment, and natural selection increased their
frequency.
Answers
Answer:
D
Explanation:
The antibiotics are targeting bacteria that are not resistant to the antibiotic and any that are will survive treatment. Bacteria can reproduce and share their resistance quickly.
Which layer(s) of the Earth can S-waves pass through? Choose all that apply.
a. inner core
b. outer core
c. crust
d. mantle
Answers
Answer:
B. outer core
Explanation:
An S wave is slower than a P wave and can only move through solid rock, not through any liquid medium. It is this property of S waves that led seismologists to conclude that the Earth's outer core is a liquid.
The layer(s) of the Earth through which S-waves can pass is the Outer core. Seismologists concluded that the Earth's outer core is a liquid based on this property of S waves.
What layers can S waves pass through?S-waves can only travel through solids because they are rigid. S-waves cannot travel through liquids or gases. S-waves travel faster as they descend because the earth's mantle becomes more rigid as it descends deeper beneath the asthenosphere.Because S-waves do not travel through the outer core, the shadow zone is larger. The absence of S-waves in the outer core indicates that it is liquid. S waves cannot travel through solids or liquids, whereas P waves can. As P and S waves travel deeper into the Earth's mantle, their speed increases. They travel in curved paths through the Earth, but they abruptly change direction when they pass through the boundary between substances in different states.To learn more about S waves, refer to:
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Which occurs directly before forming a hypothesis?
Answers
Answer:
Observations
You need to make a prediction about what you are observing and why you are observing it.
If fungi do not require sunlight for photosynthesis, then is a fungus an autotroph or heterotroph?
Answers
Answer: Heterotroph
Explanation:
All fungi are heterotrophic, which means that they get the energy they need to live from other organisms.
Examining garments and other objects in order to detect firearms discharge residues would be performed in the biology unit.
A. True
B. False
Answers
The answer to the question is false.
examining garments and other objects in order to detect firearms discharge residues would be performed in the physical unit.
Forensic science is the application of science and technology to criminal investigations and legal problems. Forensic science seeks to find the truth in a variety of forensic situations and bring the culprits to justice.
There are many types of forensic science, such as forensic chemistry, forensic biology, forensic toxicology, and so on.
The firearms unit of forensic science focuses on the analysis of firearms, ballistics, and bulletproof vest testing, while the physical unit concentrates on the examination of physical evidence like garments and other items for the presence of firearms discharge residues.
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Over several years, a tree grows from a young tree into a mature tree.
The amount of grass beneath the mature tree sometimes decreases, forming an area with more soil than grass. Which abiotic factor most likely decreases, causing this change?
nitrogen
oxygen
water
sunlight
Answers
Answer:
sunlight
Explanation:
as the tree grows the leaves and limbs cover up the sky and block the sunlight which slowly kills the grass below the tree
With the deposition of more soil in grass, the abiotic factor which is most likely responsible for this change is Sunlight. Thus, correct option is D.
What are abiotic factors?
An abiotic factor is a non-living part of an ecosystem that shapes the environment. Abiotic factors include temperature, light, soil and water.
As a tree grows in size, the amount of grass beneath the mature tree decreases. This is because as the tree grows in size, the requirements for moisture and nutrients increases. Grass starts competing with the tree and therefore the soil becomes dry and less fertile. This results in the decrease in the amount of grass on the land.
As the tree increases in size, it covers the land and the grass. This restricts the amount of sunlight which falls on the grass. As a result, amount of grass decreases and more sunlight will be used by the plant leaves.
Therefore, the correct option is D.
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What happens when a phase in the cell cycle does something incorrectly / doesn't do its required tasks, what happens to the cells that are impacted by those errors and what effect does it have on other cells in the cell cycle?
Answers
When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
What happens when a phase in the cell cycle does something incorrectly?When a phase in the cell cycle does something incorrectly, then they cannot move to opposite poles in the later phases of mitosis, which result the cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead cell death, disease or cancer.
So we can conclude that When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
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are cherokee purple tomatoes determinate or indeterminate
Answers
Cherokee Purple tomatoes are classified as indeterminate tomato varieties.
Indeterminate tomatoes continue to grow and produce fruit throughout the growing season until they are affected by external factors like frost or disease. These plants typically have a vining or sprawling growth habit, and they require staking or other support to keep them upright.
Indeterminate tomatoes, including Cherokee Purple, tend to have a longer harvest period compared to determinate varieties. They continuously produce new growth and fruit, often until the first frost. As a result, they can require more space and maintenance in the garden due to their vigorous growth.
It's worth noting that determinate tomato varieties have a more compact growth habit and tend to set fruit and ripen within a relatively short period. They are often preferred for container gardening or when a more concentrated harvest is desired.
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Most home energy use goes toward _____.
A]washing clothes and cooking
B]heating and cooking
C]hot water and appliances
D]heating and hot water
Answers
Answer:
washing clothes and cooking
the basis for movement of cilia and flagella is the interaction of the motor protein with the cytoskeletal elements called
Answers
The basis for the movement of cilia and flagella is the interaction of the motor protein "dynein" with the cytoskeletal elements called "microtubules."
Which protein is involved with the movement of cilia and flagella?
1. Cilia and flagella have a core structure known as the "axoneme."
2. The axoneme is composed of microtubules arranged in a "9+2" pattern: nine microtubule doublets surrounding a central pair of microtubules.
3. Dynein, the motor protein, is attached to the microtubules.
4. Dynein uses ATP (adenosine triphosphate) as an energy source to cause a sliding movement between adjacent microtubule doublets.
5. This sliding movement generates the bending and undulating motion of cilia and flagella, allowing them to propel cells through their environment. The interaction between dynein and microtubules enables the movement of cilia and flagella.
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HELP!!!When an animal is nocturnal, what type of adaption is that considered?
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phase of the menstrual cycle is characterized by discharge of fluid from the vagina. it also marks the first day of a new cycle.T/F
Answers
The menstrual phase is characterized by the discharge of fluid from the vagina. This fluid is made up of blood, mucus, and tissue from the lining of the uterus. The menstrual phase marks the first day of a new menstrual cycle. The statement is True.
The menstrual cycle is a natural process that occurs in women of childbearing age. It is a series of changes that happen in the ovaries and uterus each month. The menstrual cycle is divided into four phases:
Menstruation
Follicular phase
Ovulation
Luteal phase
The menstrual phase is the first phase of the menstrual cycle. It begins when the lining of the uterus sheds and blood flows out of the vagina. The menstrual phase usually lasts for 3 to 7 days.
The menstrual phase is followed by the follicular phase. During the follicular phase, an egg matures in one of the ovaries. The follicular phase usually lasts for 10 to 14 days.
Ovulation is the third phase of the menstrual cycle. During ovulation, the egg is released from the ovary and travels down the fallopian tube. Ovulation usually occurs 14 days before the start of the next menstrual cycle.
The fourth and final phase of the menstrual cycle is the luteal phase. During the luteal phase, the egg travels down the fallopian tube and implants in the lining of the uterus.
If the egg is fertilized, the woman will become pregnant. If the egg is not fertilized, the lining of the uterus will shed and the menstrual cycle will begin again.
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Which of the following is NOT a method for living more sustainably on Earth?a) Repair products when it breaks or gets worn out. Many brand name companies including clothing and electronic stores offer repair services for you nowb) Reuse with refillable glass or stainless stell water bottles and by shopping with cloth bags at grocery and retail stores including malls.c) Refuse to use single-use products such as plastic grocery bags and takeout utensils including straws and condiments for ketchup and soy sauce.d) Recycle by using plastic shopping bags to dispose paper/plastics/bags/metals into blue bins and composting organic waste into green bins.e) Reduce by shopping only in-store (online shipping orders have escess packaging) and buying only essential costumer products (not the latest fashion in clothing or the newest model in electronics) or think about renting seasonal items rather than buying it.
Answers
Sustainability is about maintaining the ecosystem diverse and productive, even attending the needs of production for humanity as well.
In order to do so, it's important to be careful about the disposal of any types of trash. So, avoiding to dispose of trash unnecessarily is really important, therefore A is correct. It is also important to avoid creating unnecessary trash, what happens when we chose to consume only water from plastic bottles, for example, instead of using reusable bottles. This means that B is also correct. Talking about not creating unnecessary trash, C is also correct, because it talks about avoiding single-use products. Also, avoiding the creation of unnecessary trash is related to E, because it's about avoiding excess packaging and/or avoid buying unnecessary items, reusing the same ones instead. Therefore, alternative D is incorrect, because while it talks about recycling it also incites the usage of plastic bags to dispose trash, which could be replaced by paper bags, for example.
How do living things use matter such as carbon, nitrogen, phosphorus and water?
Answers
Answer:
Every living organism is made up of carbon, nitrogen, and phosphates. Nitrogen and carbon are found in amino acids which make up proteins. Phosphates make up DNA and ATP.
Explanation:
Which of these does Not occur during mitosis.
1. Separation of chromatids
2. Dissolving of the nuclear envelope
3. Division of the cytoplasm
4. Formation of chromosomes
Answers
Answer:
I'm not sure, but I think it's 4
What can you findout from the model of a seed
Answers
Answer:
u can find out The size of the seed
Which prokaryote is used to make many different types of food, such as yogurt, pickles, and cheese?
a.) facultative aerobes
b.) aerotolerant organisms
c.) obligate anaerobes
d.) obligate aerobes
Answers
Answer:
B
Explanation:
describe the role of chlorophylls in the biochemical pathways of photosynthesis
Answers
The role of chlorophyll in the biochemical pathway of photosynthesis is to absorb solar energy, trigger CO2 fixation to produce carbohydrates, and provide energy for the ecosystem as a whole.
What is chlorophyll?Chlorophyll is called the green substance of leaves. Chlorophyll molecules are able to absorb red, blue, and violet light. Until it reflects the yellowish-green color that humans often see. Chlorophyll is needed by the body for photosynthesis in addition to water, carbon dioxide, and light.
Chlorophyll is located in plant chloroplasts, which are tiny structures in plant cells. This is where photosynthesis takes place. The job of chlorophyll in plants is to absorb light, which is usually sunlight. The energy absorbed from light is transferred to two types of energy storage molecules.
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Identify the REACTANTS in the chemical reaction below.
A. CO2 + 2H2O
B. CH4 + CO2
C. CH4 + 2O2
D. 2O2 + CO2
Answers
Answer:
im pretty sure its B
Explanation:
You are a bio-researcher on the planet Tawniwani, and you have been given the task of identifying and classifying the native fauna. Use this dichotomous key to identify Tawniwanian creature t.
Answers
Dichotomous keys are used to identify and classify organisms into a taxonomic group according to their morphological traits. In the exposed example, individual T is a Narrowus trispottis.
What is a dichotomous key?
The dichotomous key is a classification system used to identify organisms according to different traits -usually morphological traits-.
This is a simple method since the key provides two options, and the researcher needs to choose one of them according to the organism's features. Once the researcher has chosen one of the options, the key leads to the following description.
The procedure is the same in each step until the name of the taxonomic group is provided.
In the exposed example, we need to identify the organism T (the last one). We know we need to follow 4 steps before reaching our individual's name. So,
1) Does it has a large or small head? It has a small head, so we need to move to step 2.
2) Does it has a narrow or round body? It has a narrow body, so we need to move to step 6.
6) Does it has curly or straigh antennae? It has curly antennae, so we need to move to step 11.
11) Does it has narrow or round eyes? It seems like it has narrow eyes, so it might be Narrowus trispottis.
According to this dichotomous key, the T individual is a Narrowus trispottis.
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Epinephrine alone only weakly stimulates lipolysis for energy production but when small amounts of thyroid hormone are present, the same amount of epinephrine stimulates lipolysis more powerfully. In this case, thyroid hormone is serving as a
Answers
In the presence of small amounts of thyroid hormone, epinephrine stimulates lipolysis more effectively, indicating that the thyroid hormone is serving as a synergistic factor.
Epinephrine and thyroid hormones both play roles in regulating metabolism and energy production in the body. Epinephrine alone has a weak stimulatory effect on lipolysis, which is the breakdown of fats for energy production. However, when small amounts of thyroid hormone are present, the same amount of epinephrine can stimulate lipolysis more powerfully.
Thyroid hormone acts as a synergistic factor in this context. Synergy refers to the cooperative interaction between two or more substances or factors to produce a greater effect than what would be expected from each individual component alone. In this case, the presence of thyroid hormone enhances the lipolytic response to epinephrine, leading to a more potent stimulation of lipolysis.
The specific mechanisms by which thyroid hormone enhances the effects of epinephrine on lipolysis are complex and involve interactions at the cellular and molecular levels. Thyroid hormone influences gene expression, metabolic rate, and the sensitivity of target tissues to epinephrine. These combined effects result in an increased lipolytic response to epinephrine when thyroid hormone is present, allowing for more efficient mobilization of stored fats for energy production.
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Which best describes the role of enzymes in a chemical reaction ?
Answers
Explanation:
Enzymes are catalysts that speed up reactions by helping to lower the activation energy needed to start a reaction.
The Beadle and Tatum experiments were based on all of the following assumptions except that. Supplemented media permit growth of auxotrophic strains of Nourospora X-irradiation can induce mutations. Two strains of auxotrophic Nourospora that grow on minimal medium supplemented with biotin have mutations in the same gene auxotrophs fail to grow on minimal media In their first round of screening. Boodle and Tatum plated spores on minimal medium. The purpose of this screen was to. Identify which mutants were deficient in vitamin synthesis pathways and which were deficient in amino acid synthesis pathways determine which of the mutants generated were auxotrophic for thiamine. Determine whether any auxotrophic mutants had been generated eliminate all nonmutant Neurospora from the population
Answers
Answer:
Relationships where both organisms benefit are called mutualism.
A.
True
B.
False
T/F: patients with kidney failure experience systemic edema as a result of increased solutes in the blood. higher levels of plasma proteins drive fluid from the blood to the tissues.
Answers
The given statement "Patients with kidney failure experience systemic edema as a result of increased solutes in the blood. higher levels of plasma proteins drive fluid from the blood to the tissues" is True because normally, the kidneys filter excess fluid and waste from the blood, but when they fail, these substances accumulate in the blood, causing an increase in osmotic pressure.
This results in the movement of fluid from the tissues into the blood, leading to edema. Furthermore, higher levels of plasma proteins also contribute to the development of edema. Plasma proteins help to maintain the balance of fluid between the blood and tissues.
In conditions such as kidney failure, where there is an increase in solutes in the blood, the concentration of plasma proteins may also increase. This increased concentration of plasma proteins drives fluid from the blood to the tissues, leading to edema.
Therefore, patients with kidney failure often experience systemic edema as a result of both increased solutes in the blood and higher levels of plasma proteins driving fluid from the blood to the tissues.
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Describe two ways in which the criminal and related matters amendment bill protects the citizens against gbv
Answers
The Criminal and Related Matters Amendment Bill aims to protect citizens from gender-based violence (GBV) in two main ways. Firstly, it provides for harsher sentencing for perpetrators of GBV crimes, including minimum sentences for certain offences. This is intended to act as a deterrent and ensure that those who commit GBV crimes face appropriate consequences for their actions.
Secondly, the Bill includes provisions for better support and protection for victims of GBV. This includes improved access to protection orders, the creation of specialist courts to deal with GBV cases, and the establishment of a national register of sex offenders. These measures are designed to ensure that victims of GBV are supported and that their abusers are held accountable for their actions.
Overall, the Criminal and Related Matters Amendment Bill represents an important step forward in the fight against GBV in South Africa, and provides valuable protections for citizens who are at risk of violence.
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which one is not a relational dialectics? autonomy/connectedness novelty/predictability compromising/understanding openness/closeness
Answers
Compromising/Understanding is not a relational dialectic. Relational dialectics refer to the tensions and contradictions that exist within relationships.
These tensions are often characterized by opposing needs or desires. Autonomy/Connectedness, Novelty/Predictability, and Openness/Closeness are all examples of relational dialectics.
Autonomy/Connectedness refers to the tension between the desire for independence and individuality versus the need for connection and interdependence in a relationship. Novelty/Predictability relates to the tension between the desire for excitement, change, and exploration versus the need for stability, routine, and predictability. Openness/Closeness reflects the tension between the desire for openness, disclosure, and sharing versus the need for privacy, boundaries, and protection.
However, compromising/understanding is not typically recognized as a relational dialectic. While compromise and understanding are important aspects of a healthy relationship, they do not represent opposing needs or desires in the same way that the other dialectics do. Instead, compromising and understanding are often seen as strategies or skills used to manage and address the tensions arising from other relational dialectics.
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explain metabolism as attribute of Living Organism
Answers
Answer:
Metabolism involves exchanges of chemical matter with the external environment and extensive transformations of organic matter within the cells of a living organism. Metabolism generally involves the release or use of chemical energy. Nonliving things do not display metabolism.
Explanation:
Brainleast please
Which is the property of matter in which a substance can transfer heat or electricity?
Answers
Answer:
Conductivity
Explanation:
Answer:
Conductance
Explanation:
The map shows an island arc in Alaska named the Aleutian Arc. What does the arc suggest about its surrounding geographic region?
Answers
The arc which is present in Alaska known as the Aleutian Arc is a large volcanic arc. This arc consists of many dormant and active volcanos which are formed as the result of subduction along the trench names Aleutian.
The tectonic plates present in the southwest of Alaska subduct each other, which results in the sinkage of the Pacific plate beneath the North American plate, There are around 40 active volcanos in the region as the magma comes out of the subducting zone. Due to the active volcanoes this subducting region is barred from human activities
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