SCENARIO #6 – Candy Connection Mr. Lehman wanted to know whether or not his students would do better on a quiz if he promised them candy. He went to the library and read several studies about the effect of giving food to lab animals. He found out that if animals were given food as a reward for doing something, they usually did better the more reward they were given. He guessed that the more candy that his students were promised, the better they would do on the quiz. He had all of his classes participate in the experiment. There were four groups in all. Each group had the same amount of boys and girls, they were all given the same quiz, they were all the same age, the same ability, and they were all from the same background. The first group was not promised any candy if they did well on the quiz. The second group was promised 1 candy bar if they did well on the quiz. The third group was promised 2 candy bars if they did well on the quiz. The forth group was promised 3 candy bars if they did well on the quiz. Group #1 got an average of 70% on the quiz. Group #2 got an average of 80% on the quiz. Group #3 got an average of 90% on the quiz. Group #4 got an average of 95% on the quiz. Mr. Lehman then decided that the more candy a group was promised, the better they did on quizzes. He then repeated the experiment with different students.

This is an example of exponential growth.

Exponential growth refers to a pattern of growth where the quantity or size of something increases at an accelerating rate over time.

In the given scenario, Brain has one son, two grandchildren, and three great-grandchildren.

Each generation is producing more offspring, resulting in a rapidly increasing number of descendants.

The progression from one generation to the next demonstrates exponential growth because each subsequent generation adds more individuals than the previous one.

As the generations continue, the number of descendants grows exponentially larger.

Exponential growth can be observed in various natural and human-made systems, such as population growth, compound interest, and the spread of infectious diseases.

In this case, the number of descendants in Brain's family tree follows an exponential pattern, as each new generation multiplies the number of offspring, leading to a significant growth rate.

Therefore, the example given aligns with the concept of exponential growth.

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Properties of water:

1. Water is polar- this property of water allows it to dissolve other polar compounds.

2. Water is "universal solvent"- this term is used because water is an excellent solvent that has the capability to dissolve most solutes (but not everything).

3. High heat capacity- water can minimize changes in temperature. It needs a lot of energy in order to raise the temperature of a certain amount of water.

4. High heat of vaporization- this property helps humans and other organisms to cool off. It takes a lot of heat to vaporize a certain amount of water.

5. Less dense as a solid form than its liquid form- during winter, as water freezes in ponds or lakes, the ice floats because the molecules form a crystalline structure that spaces the molecules further from each other. This keeps the bodies of water from freezing solid; thus allowing life to continue under the freezing surface.

6. Cohesive and adhesive properties- cohesive forces are responsible for creating surface tension and adhesive properties help water to stick to other substances. These properties are important for fluid transport in organisms.

The temperature gradient between points A and B is 0.1°C/m and keeping other conditions constant, if the mantle and the crust were closer to each other then the temperature gradient between the two would increase.

The temperature gradient between points A and B is 0.1°C/m. This means that for every meter traveled between the two points, the temperature decreases by 0.1°C. Therefore, the temperature difference between the two points can be attributed to their distance apart.
If the mantle and the crust were closer to each other, the distance between them would decrease. As a result, the temperature gradient between the two would increase. This is because a shorter distance would mean that there is less space for the heat to dissipate, leading to a greater temperature difference over a shorter distance.
The exact increase in temperature gradient would depend on the new distance between the mantle and the crust. However, it can be predicted that the temperature difference between the two points would increase as the distance between them decreases.
In summary, if the mantle and the crust were closer to each other, the temperature gradient between the two would increase. This would lead to a greater temperature difference over a shorter distance.

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Answer:

The sickle-cell gene.

Explanation:

The sickle cell mutation is in the gene encoding the β subunit. The sickle cell gene is located on the short arm (p) of chromosome 11, at position 15.5. Sickle cell anemia is a genopathy caused by a single mutation that results in the substitution of an amino acid in the β chains of the tetrameric protein hemoglobin. It characterized by the presence of sickle cells in the bloodstream, which are red cells or sickle-shaped erythrocytes. This form causes difficulty in the circulation of red blood cells. Confirmation of sickle cell anemia is obtained through tests that determine the presence and relative amount of hemoglobin S in a blood sample, that is, by checking the phenomenon of sickle cell disease, in a drop of blood between the slide and covers objects, or the presence of hemoglobin S by means of electrophoresis.

Answer:

physical change should be the answer

Answer:

I would think the tree

Explanation:

Answer:

Body fossils

Explanation:

Normally, only the hard skeleton is preserved (shell or bone), and the soft tissue (skin, muscle, organs, etc.) rots away after death. Animals with weak skeletons (e.g., a shrimp or an insect) are less likely to be preserved and animals that lack a skeleton entirely are very rarely fossilized.

The Hardy Weinberg equilibrium can be disrupted by deviations from any of its five main underlying conditions.

Therefore mutation, gene flow, small population, nonrandom mating, and natural selection will disrupt the equilibrium.To know if a population is in Hardy weinberg equilibrium scientists have to observe at least two generations. If the allele frequencies are the same for both generations then the population is in Hardy weinberg equilibrium.Natural selection, genetic drift, and gene flow are the mechanisms that cause changes in allele frequencies over time. When one or more of these forces are acting in a population, the population violates the Hardy weinberg assumptions, and evolution occurs.we can infer factors that cause allele frequencies to change. These factors are the forces of evolution. There are four such forces mutation, gene flow, genetic drift, and natural selection.

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Answer:

boo

Explanation:

boo

The usage of synthetic plant hormones for the modification of plant growth can have environmental implications.

Factors to consider

1. Ecotoxicity: Synthetic plant hormones, if not properly regulated or used in excessive amounts, can pose risks to non-target organisms and ecosystems. They may affect the growth and development of other plants, beneficial insects, and microorganisms, potentially disrupting ecological balance.

2. Soil and Water Contamination: Improper application or disposal of synthetic plant hormones can lead to soil and water contamination. Runoff from treated fields or improper disposal of unused hormones may introduce these compounds into water bodies, potentially affecting aquatic organisms and overall water quality.

3. Resistance and Persistence: Repeated and excessive use of synthetic plant hormones can contribute to the development of resistance in target plant species. This can lead to the evolution of herbicide-resistant weed populations, requiring higher doses or different chemicals to achieve the desired effect. Moreover, some synthetic hormones may persist in the environment for extended periods, potentially impacting subsequent crops or natural vegetation.

4. Non-target Effects: Synthetic plant hormones may influence the growth and development of unintended plant species, leading to unintended consequences such as changes in biodiversity, alteration of natural plant communities, or interference with the natural ecological succession.

5. Human Health Concerns: The potential impacts of synthetic plant hormones on human health are an area of ongoing research. While these hormones are generally considered safe for use in agriculture when used according to regulations, there may be concerns related to exposure, residues, or indirect effects on food quality and safety.

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Answer:

A sea lamprey thriving on the blood of a bass fish.

Explanation:

Pedigrees can be used to know the inheritance pattern of some genes. In these cases, 1) is a recessive trait 2) is a dominant trait 3) unkown

A Pedigree is the representation of a family's history. This graph is used to track a trait through different generations, and analyze the inheritance pattern of a particular gene and its expression.

It is a tool used to understand how genes are transmitted from the parental generation to the descendants, and what are the probabilities of  inheriting them.

Pedigree interpretation.

→ Individuals are represented with geometrical figures.

→ Males are squares

→ Females are circles

→ Healthy/normal/not affected  individuals are represented with empty figures

→ Affected/mutated individuals are represented with solid black figures

→ Each file is represented with a roman number, indicating the Generation.

Case 1

this is a case of a recessive trait.

Both parents are normal, but they have an affected child. Parents must be heterozygous and transmitted the recessive trait to the affected girl.

Case 2

this is a case of a dominant trait.

Both parents are affected, and seem to be heterozygous. They transmitted the recessive trait to all their children

Case 3

In this case we can not tell if the affection is recessive or dominant. This is unkown.

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Answer:

1 A

2 A

3 D

4 D

5 A

6 A

7 A

8 C

9 B

10 A

11 D

12 D

13 A

14 B

Explanation:

Answer:

organisms are groups such as multicellular animals, plants, fungi, etc.

population is all the organisms of the same group or species who live in a particular geographical area and are capable of interbreeding.

community is an interacting group of various species in a common location.

ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients

biotics describe living or once living components of a community; for example organisms, such as animals and plants

abiotic is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water.

Explanation:

Answer:

Alaska can have days with unusually long nights, this is due to its position on Earth. Earth has two poles, North and South; Alaska is very close to the North Pole. This affects the way the sun reaches Alaska. We know that since the Earth is tilted on an axis during the North's winter the pole is pointed away from the sun. Since Alaska is close to the pole it is also pointed away from the sun during the winter. This is why during the season Alaska has very short days.

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Contribution Margin Dollars is Calculated by The contribution margin is computed as the selling price per unit, minus the variable cost per unit.

Answer:

Genes

Explanation:

Genes are series of nucleotides that carry information for traits

Answer:

The heart is the pump and the vessels are the delivery and return system for the blood. Every tissue in the body, directly or indirectly, receives oxygen and nutrients from blood supplied by the cardiovascular system. The heart is a muscle. The muscle is a modified form of skeletal muscle called cardiac muscle.

Explanation:

i hope itt help you

Answer:

blood muscles are found

Answer:

However, all cells have four common structures: the plasma membrane, which functions as a barrier for the cell and separates the cell from its environment; the cytoplasm, a jelly-like substance inside the cell; nucleic acids, the genetic material of the cell; and ribosomes, where protein synthesis takes place

Explanation:

Hope this helps.

The cellular structure that, is possessed by all cells, is the cell membrane. The correct option is b.

Cellular structures are the components of cells. The nucleus, cell membrane, cytoplasm, and the cell organelle. The cell organelle is present inside the cellular membrane.

The cell membrane is the structure that posses by all cells, as it covers all the organs and the cells.

Thus, the correct option is b. cell membrane.

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Answer:

Green stool often occurs with diarrhea, so drink plenty of fluids and seek immediate medical attention if you or your child becomes dehydrated. So this means that you have diarrhea. Call a doctor, if you have green poop more than a few days.

Explanation: Hope this help and hope you fell better!

Facilitated diffusion is a type of passive transport where ATP is not needed because molecules follow the concentration gradient, just using specialized channels.

This means 2 is the right option: Movement across the membrane through a protein channel.

Answer:

matter, atoms u didnt give me rlly anything to work with here bud  

Explanation:

Answer:

Mutation

Explanation:

the changing of the structure of a gene, resulting in a variant form

Answer:

eight (8)

Explanation:

A phenotypic ratio of 9:3:3:1 is predicted from a cross of AaBb x AaBb (i.e., in a dihybrid cross). In this case, the expected phenotypic ratio is equal to:

A_B_ (9:3:3:1) =71.43 >> 71 both dominant phenotypes

aaB_ (9:3:3:1) = 23.81 >> 24 one dominant phenotype

A_bb (9:3:3:1) = 23.81 >> 24 one dominant phenotype

aabb (9:3:3:1) = 7.93 >> 8 both recessive phenotypes

Expected phenotipic ratio (9:3:3:1) = 71 + 24 + 24 + 8 = 127

Answer: 8

Explanation: 127 divided by 16 which is how many boxes you have in your punnet square is 7.9 so just round and it gives you 8!

Answer:

4.) dendrites are the part of a neuron that collects information.

A. Glial cells

B. Nerves

C. Neurons

D. Dendrites

———————————————

5.) Nerves support and maintain the nervous system.

A. Glial cells

B. Nerves

C. Neurons

D. Dendrites

For the effective utilization of glucose in cellular respiration, cells require oxygen, hence option A is correct.

The electron transporter chain in cells needs oxygen to function. It performs the role of the electron transport chain's last electron acceptor, promoting the flow of electrons down the chain and resulting in the production of ATP or adenosine triphosphate.

This is how most creatures get their energy, parts of the glucose molecules that are bound by oxygen release energy, water, and carbon dioxide.

For the effective utilization of glucose in cellular respiration, cells require oxygen, this is how most creatures get their energy.

Therefore, parts of the glucose molecules that are bound by oxygen release energy, water, and carbon dioxide, hence option A is correct.

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Answer:

b

Explanation: