Question 2
Were the seeds in the "G" tube undergoing respiration? Use your results in Data Table 1 and Graph 1 to support your answer. Do your results
support your hypothesis?

r-strategists are small species, with high reproductive rates and poor parental care. K-strategists are big-sized species, with low reproductive rates and good parental care. When N>K, the population decreases because there are not enough resources to survive.

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Species have different strategies to survive in different environments, reproduce, disperse, and compete.

These strategies are r strategies and k strategies.

A growing population that inhabits a limited space is gradually affected by density, rebounding in the multiplication rate.

The population growth per capita rate decreases as population size increases.

The population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.

Carrying capacity refers to the maximum point at which the environment can support a growing population.

K is a constant. It coincides with the population size when natality rate and mortality rate are equal to each other. This is the equilibrium point.

So when the population size exceeds K, carrying capacity makes the population decrease in size. This is because there are not enough resources for this population to survive.

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The reproductive strategy is dependent on the stability of the environment and resources. R-strategists reproduce quickly when resources are plentiful and have many offspring. K-strategists have a stable environment, produce only a few offspring at a time, and care for the young after birth.

The carrying capacity is the number of individuals that an ecosystem can support. The carrying capacity in an ecosystem is determined by the supply of resources for a population. When a population increases and reaches the carrying capacity, resources become limited. Disease and starvation increase the death rate. When the death rate is higher than the birth rate, the population decreases.

Explanation:

Penn Foster

The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Efficient milk production is a benefit of commercial agriculture. thus option B is correct.

Commercial farming is a practice where crops and livestock are cultivated with the intention of selling them as finished goods to gain money. A significant amount of capital investment is required to grow commercial farming.

When making commercial dairy, the milk is placed into MASSIVE industrial centrifuges, where it is divided into different components like lipids and proteins. To create whole, low-fat, and skim milk, the components are then once again mixed. It is pasteurized, put in a bottle, and transported.

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Statins lower cholesterol and prevent plaque buildup, while stents restore blood flow. Statins are preventive, stents are reactive; both reduce heart attack risk (option b).

Statins are medications that help reduce cholesterol levels and prevent plaque buildup in the arteries, thus decreasing the risk of heart attacks.

They are typically used as a preventive measure for individuals with high cholesterol or existing heart issues. Stents, on the other hand, are small mesh tubes inserted into narrowed or blocked arteries to restore blood flow.

They are a reactive treatment, used after detecting significant artery blockage or following a heart attack.

Both statins and stents have their own advantages in reducing heart attack risk, with statins acting as a preventive measure and stents providing immediate relief to blocked arteries.

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The most likely situation to occur would be: Grace may be at an increased risk of complications during pregnancy and childbirth.

Given that Grace is thin and has happened unable to eat enough vitamins during her gestation, her overall strength and happiness may be negotiated.

Malnutrition  can bring about a range of adverse belongings on two together the mom and the cultivating fetus.The lack of approach to an enough and equalized diet, combined accompanying the disputing living environments in an area overwhelmed by dryness, civic unrest, and want, can increase the possibility of complexities during pregnancy.

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Answer:

Nucleotides.

Explanation:

Nucleic acids (DNA, RNA) are large polymers, made out of monomer building blocks called nucleotides. The nucleotides have a similar structure with three 'subunits': A phosphate group

Answer:

its called multicelluar organism

Explanation:

Assuming a single diallelic gene coding for each trait, expressing complete dominance, and with no interaction between genes, the most probable genotypes of the parents are BbRr. Both parents must be dihybrids.

In this example, two features are considered,

After the cross, the results of the progeny were as follows,

Total number of pigs among the progeny = 19 + 6 + 7 + 1 = 34 pigs.

We will assume that of these traits are coded by a single diallelic gene each, that express complete dominance, and do not interact with each other.  

If we perform a cross considering this two genes, we will expect to get 16 possible combinations of the parental gametes.  

So, the 34 pigs from the progeny are included in these 16 possible genotypes.

34 pigs ---------------------- 16 combinations

19 black and rough ----- X = (19 x 16) / 34 = 8.94 ≅ 9

6 black and smooth ----- X = (6 x 16) / 34 = 2.82 ≅ 3

7 white and rough ------- X = (7 x 16) / 34 = 3.2 ≅ 3

2 white and smooth ----- X = (2  x 16) / 34 = 0.94 ≅ 1

So, by looking at the phenotypic proportions of the progeny, we can suggest the possible parental genotypes.

Phenotypic proportion

These proportions are the result of a cross between two dihybrid individuals, meaning that both parents are heter0zyg0us for both traits.

Also, according to these numbers, we can tell that the dominant traits are black and rough over white and smooth, respectively.

So let us make this cross assuming two dihybrid parents,

Parentals) BbRr    x    BbRr

Gametes) BR, Br, bR, br

                 BR, Br, bR, br

Punnett square)         BR          Br        bR         br

                       BR     BBRR    BBRr    BbRR    BbRr

                       Br      BBRr     BBrr      BbRr     Bbrr

                       bR      BbRR    BbRr    bbRR     bbRr

                       br       BbRr     Bbrr     bbRr       bbrr

F1) Genotypes

Genotypic ratio ⇒ 1:2:1:2:4:2:1:2:1

     Phenotypes

Phenotypic ratio ⇒ 9:3:3:1

In conclusion, The most probable genotypes of the parents are BbRr, being dihybrid both of them.

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Scaffolding branches are the central branches that are preserved in central leader pruning.  Option 3.

Scaffolding branches refer to central branches that are preserved in central leader pruning.

These branches serve as the main structural framework of a tree and are selected to support future growth and development. Scaffolding branches are strategically chosen and maintained to provide a strong and balanced framework for the tree.

They act as the primary branches from which new growth will emerge in subsequent pruning and play a crucial role in shaping the overall structure of the tree.

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Answer:

Muskox, Arctic Wolf and Brown bear

Explanation:

Answer:

Tundra biome is also called as "treeless mountain tract" and the animals best suited to this type of climate are Arctic fox, Muskoxen, snow owl and polar bear.

Answer:

karyoninesis

(that's what I think you asking)

Structure or events in stage one.The resting potential describes what occurs to a neuron when it is at rest. When a neuron transfers information away from the cell body and down an axon, it experiences an action potential.

The action potential is also referred to as a "spike" or a "impulse" by neuroscientists. A depolarizing current causes an explosion of electrical activity known as the action potential.

This indicates that the resting potential shifts toward 0 mV as a result of some action (a stimulus). An action potential is discharged by a neuron when the depolarization reaches around -55 mV.

This is the boundary. No action potential will trigger if the neuron does not cross this important threshold.At the presynaptic terminal, acetylcholine storage occurs within the presynaptic vesicle. With the stimulation of the presynaptic terminal, acetylcholine is released from the vesicles and into the synaptic cleft, where the neurotransmitter is free to bind with receptors.

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The branching roots of the mangrove trees slow down the flow of water and help in depositing the sediments which prevent coastal erosions.

Mangroves are halophiles and can grow in saline habitats. They grow worldwide and occur in tropical, and subtropical regions, and are also found in some temperate coastal areas. Mangroves have a complex root system and they are adapted to low oxygen conditions.

The mangroves in Sunderbans are the largest ecosystem in the world. It is the habitat of the largest predator in Asia, the tiger. The name Sunderban comes from Sundari, Heritiera fomies, the mangrove trees which are in abundance in that area.

Mangrove roots harbor microbial species that play important ecological functions in the ecosystem.

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Answer:

the ability to reproduce with one another and have fertile offspring.

Explanation:

An essential characteristic of the members of a given species is the ability to reproduce with one another and have fertile offspring. Thus, the correct option is C.

A species is a group of organisms which are living in an area with similar characteristics which are capable of exchanging genes and chromosomes and produce new organism similar to itself. The species are important as it maintains the equilibrium in the ecosystem.

A species can be defined as the largest group of organisms with the two individuals of the appropriate sexes can produce a fertile offspring, typically through sexual reproduction. The species can also be defined on the basis of their karyotype, DNA sequence, morphology, behavior or ecological niche.

Therefore, the correct option is C.

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Answer:

Growing and Developing

Explanation:

Metabolism is the sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.

A hypothesis outlines your expectations for the results of your investigation. It is a speculative, untested response to your research question. You might need to develop a number of hypotheses for some research projects that speak to various facets of your research issue.

A hypothesis should be founded on accepted ideas and body of information; it shouldn't just be a wild guess. Additionally, it must be testable so that you can use scientific research techniques to either confirm or disprove it (such as experiments, observations and statistical analysis of data). A relationship between two or more variables is proposed by a hypothesis. Anything the researcher modifies or controls is referred to as an independent variable. An observation or measurement made by the researcher is a dependent variable.

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Photosynthesis occurs in two stages, light-dependent and light-independent reactions. This last one is the Calvin cycle, and its main function is to produce sugars. D. to produce glucose.

Photosynthesis involves two stages: light-dependent and light-independent reactions.

Light-independent reaction is known as the Calvin cycle, and it takes place in the stroma.

During the Calvin cycle, sugars or carbohydrates are synthesized.

When carbón dioxide, CO₂, enters the leaves through stomas, it diffuses to the chloroplast stroma. Carbon atoms fixate, meaning that they incorporate into organic molecules. These molecules are used to produce 3-C sugars.

The whole process is impulsed by ATP and NADPH coming from light-dependent reactions.

The alternation of the processes of light-dependent and light-independent reactions help the cell conserve energy and matter.

Plants takes solar energy and produce ATP and NADPH. When there is no available solar energy, the plant uses these molecules to produce carbohydrates.

The correct option is D. to produce glucose

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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.

The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.

Assuming a diallelic gene,

Allelic frequencies

Genotypic frequencies

The addition of the allelic frequencies equals 1

p + q = 1.

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

In the exposed example,

Alleles          Frequencies

Genotypes

We need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate  genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).

Genotypic and Phenotypic frequencies

F(S^AS^A) = p² = 0.6² = 0.36

F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48

F(S^BS^B) = q² = 0.4² = 0.16

Number of individuals expressing each phenotype

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Complete question

A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes

In a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.

Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working

Answer:

A. Have a nucleus.

Explanation:

I hope this helps.

We have that the  proper microscope care and technique of microscope is defined by

All the above are examples of correct microscope care and technique.

Option D

Generally Microscope is a delicate tech and requires attention

Therefore

Are all proper care methods

Hence

All the above are examples of correct microscope care and technique.

Option D

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Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.

Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.

Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.

Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.

The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.

Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.

This shows that Carlton has an impaired absolute threshold.

He could not detect the smallest quantity of a stimulus to differentiate between the smells.

Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.

This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.

Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.

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Answer:

There is no correlation

Explanation:

Answer:

but,

Abiotic factor is a non-living part of an ecosystem that shapes its environment.

The terrestrial ecosystem, includes temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystem.

Abiotic factors present in all the non-living components present in an ecosystem. They typically comprises of physical and chemical components. Abiotic factor are non-living component of an ecosystem which shapes environment. Examples includes temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents.

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Involuntary actions is when something happens unintentionally or without a person's conscious control, it is said to be occurring involuntarily

When something happens unintentionally or without a person's conscious control, it is said to be occurring involuntarily. Usually, the autonomic nervous system or reflexive reactions control these actions.

In contrast to voluntary acts, which may be controlled consciously, involuntary actions occur without conscious thought or intentional decision-making.

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Answer:

The advantages of seed development include increased crop yields, improved disease resistance, and enhanced nutritional content.

Seed development in plants provides several advantages, including protection and dispersal of offspring, dormancy for survival in unfavorable conditions, and a nutrient-rich food source for germination and early growth.

Seed development in plants offers various advantages that contribute to their reproductive success and survival.

This allows plants to survive through periods of unfavorable environmental conditions such as drought, extreme temperatures, or lack of sunlight. Dormancy also enables seeds to delay germination until suitable resources and conditions for growth are available.

In summary, seed development in plants provides advantages such as protection and dispersal of offspring, dormancy for survival during unfavorable conditions, and a nutrient supply for early growth and development. These traits contribute to the reproductive success and resilience of plants in diverse environments.

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Zinc is also used in alloys such as brass, nickel silver and aluminium solder. Zinc oxide is widely used in the manufacture of very many products such as paints, rubber, cosmetics and etc.

Answer:

Most zinc is used to galvanise other metals, such as iron, to prevent rusting. Galvanised steel is used for car bodies, street lamp posts, safety barriers and suspension bridges. Large quantities of zinc are used to produce die-castings, which are important in the automobile, electrical and hardware industries

When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars (by cellulase in certain fungal species), the resulting glucose monomers are properly defined as the products

The correct answer is option E.

When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars by cellulase in certain fungal species, the resulting glucose monomers are properly defined as the products.

In a chemical reaction, reactants are the starting materials or substances that undergo a change, while products are the resulting substances formed after the reaction. In this case, cellobiose is the substrate, which is the molecule that undergoes the enzymatic reaction. Cellulase is the enzyme responsible for catalyzing the digestion of cellobiose into glucose monomers.

The enzyme cellulase acts as a catalyst in the reaction, facilitating the breakdown of cellobiose into glucose. Catalysts are substances that increase the rate of a chemical reaction without being consumed or permanently changed themselves. However, in the context of the given question, the glucose monomers produced are the final result or product of the enzymatic digestion process.

Therefore, in the digestion of cellobiose, the resulting glucose monomers are correctly identified as the products (option E).

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Answer:

hair color is determined by genetics

Explanation:

Answer:

no <3

Explanation: