Chapter 30 biology: the dynamics of life: reinforcement and study guide: fishes and amphibians

Answer:

A is the answer taking the test right now

hope you have a great day

The beverages chosen include:

This refers to a heterogeneous mixture which contains solid particles which are big enough to dissolve. An example is lemonade due to the presence of lemon pulp particles which cannot be dissolved mostly because of its membrane.

On the other hand, a solution is a homogeneous mixture in which the solute dissolves completely in the solvent(water). An example is Tea which comprises of the tea and water .

This therefore makes the answers given as the most appropriate choices in this example.

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Answer:

Vestigial

Explanation: Hope dis helps

Answer:

constant = changes and control is used as the basis of comparison

Explanation:

Constant variables are variables that do not change

e.g such as the temperature ( if it's meant to be kept at a constant temp).

Control variables are meant to be kept constant to allow for a comparison and thus determine the effect of IV (independant variable) and DV ( dependant variable)

Answer:

The correct answer is - A. through the use of earthquake waves.

Explanation:

The interior of the earth can not be studied or seen by digging the hole, for that scientist normally use the movement of seismic waves, from earthquakes or nuclear test explosions, are reflected, slow down, sped up bent by passing through the different layers.

Waves behave differently as they move in different layers and their material helps scientists to learn and study the layers and their constituents. It explains that the Earth's interior has a series of concentric shells, with a thin outer crust, a mantle, a liquid outer core, and a solid inner core.

Answer:

There are 10 males and 15 males under the age if two.

Answer:

Sure ill help you!

Explanation:

whats the question?

An animal would most likely rely on fixed action patterns of behavior if it encounters a specific stimulus or trigger that elicits a stereotyped, instinctive response. Fixed action patterns (FAPs) are innate, highly stereotyped behavioral sequences that are triggered by specific stimuli, known as sign stimuli or releasers. These patterns are typically instinctive and do not require learning or conscious decision-making.

Fixed action patterns are often associated with survival-related behaviors, such as mating, feeding, defense, or territoriality. Once the trigger stimulus is present, the animal will execute the entire behavioral sequence in a relatively rigid and predictable manner, regardless of the circumstances or potential consequences.

For example, the courtship behavior of some bird species involves elaborate fixed action patterns. When a male bird encounters a female of the same species, specific visual or auditory cues from the female act as sign stimuli that trigger a sequence of behaviors, including displays, calls, and specific movements. These behaviors are pre-programmed and occur in a fixed order, ultimately leading to successful mating.

Similarly, certain animals exhibit fixed action patterns in response to threats or predators. For instance, when a prey animal senses the presence of a predator or perceives a specific predatory cue, it may instinctively engage in defensive behaviors such as freezing, fleeing, or displaying warning signals. These responses are typically automatic and follow a predetermined sequence.

In summary, an animal is most likely to rely on fixed action patterns of behavior when it encounters a specific stimulus or trigger that elicits an innate and stereotyped behavioral sequence. These patterns are instinctive and often associated with survival-related behaviors such as mating, feeding, or defense.

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(A) The drug binds to HER 2, preventing the activation of the signaling pathway. Which best explains how a drug can be used to inhibit tumor growth caused by EGF overexpression.

The protein known as epidermal growth factor binds to the EGFR receptor to promote cell growth and differentiation. Six-kDa, 53 amino acid residues, and three intramolecular disulfide bonds make up human EGF. Also Epidermal Growth Factor is referred to as EGF. Growth factors are signaling proteins that are produced by our bodies from birth through adulthood and communicate with cells to repair and regenerate skin. We prefer to imagine them as conductors of a musical orchestra directing the various cells on how and when to perform.

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Answer:

C. ATP is required to move substance A into the cell.

Explanation:

As the model shows a cell with the movement of substances A and B, so the correct statement following the model is "ATP is required to move substance A into the cell".

This is so because ATP is required by a cell to move the substance such as ions across a membrane against a concentration and at the same time another substance moves out of the cell by the process called diffusion.

As in the model, we can see substance A is moving in the cell while B is moving out of the cell (distance between cell membrane and substance B is more).

Hence, the correct answer is "C. ATP is required to move substance A into the cell."

The changes in renewable energy sources in the United States from 2008 to 2018 show significant growth in solar, wind, and biomass energy, while hydroelectric energy decreased. Bar and line graphs would be useful in reporting these changes.

The changes in renewable energy sources from 2008 to 2018 in the United States indicate a significant shift towards a more diverse and sustainable energy portfolio. The data shows a decrease in hydroelectric energy production from 3.511 quadrillion Btu in 2008 to 2.688 quadrillion Btu in 2018. Geothermal energy remained relatively stable with a slight increase from 0.192 quadrillion Btu to 0.218 quadrillion Btu. However, solar energy experienced a substantial growth from 0.074 quadrillion Btu to 0.951 quadrillion Btu, indicating a significant increase in its utilization. Wind energy also showed remarkable growth, with production increasing from 0.546 quadrillion Btu in 2008 to 2.533 quadrillion Btu in 2018. Biomass energy experienced the most significant growth among the renewable sources, rising from 3.851 quadrillion Btu to 5.132 quadrillion Btu.

These changes highlight a notable shift towards the expansion and adoption of solar, wind, and biomass energy sources. The increase in solar energy production can be attributed to technological advancements, cost reductions, and increased investments in solar infrastructure. Similarly, the growth in wind energy can be attributed to the installation of more wind turbines and improved efficiency in capturing wind power. The significant increase in biomass energy reflects the utilization of organic materials and waste for energy generation.

To report these changes effectively, a combination of bar graphs and line graphs can be used. A bar graph can be employed to compare the energy production of different renewable sources in 2008 and 2018, highlighting the absolute values for each source. A line graph can complement the bar graph by illustrating the trend and growth of each renewable source over the ten-year period, emphasizing the relative changes in energy production.

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The liquid methane's phase change could have been brought on by an increase or decrease in energy.

The liquid methane could have changed phases due to an increase or decrease in energy. 

The molecules' kinetic energy and perhaps even their freedom of movement would have grown if the energy had increased. The molecules' kinetic energy and perhaps their freedom of motion would have diminished if the energy level dropped. Since the lake vanished during Titan's summer, when more energy was being transmitted into it than at other times, the lake must have evaporated rather than frozen. molecules of the liquid

Each other was shifted around. The molecules of the lake might now travel independently of one another if it evaporated.

The molecules in the lake would only be able to move in place if it froze. During a phase change, neither the quantity nor the size of molecules changes.

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It's possible that a rise or fall in energy caused the liquid methane to shift phases. The length of time it typically takes for a molecular to be expelled from the environment is known as residence time.

Unscented, colorless, and combustible, methane is a gas. It is mostly used as fuel to produce heat and light. It is also employed in the production of organic compounds. Methane is frequently found in garbage, marshes, septic tanks, and sewers and can be produced as natural materials decompose.

According to thermodynamic, superheated liquids may sustain explosions similar to those found in chemical explosives. At 1 atmosphere, liquid methane was heated to a temperature 50 K well beyond its boiling point.

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The room temperature negative control respirometer contained Yeast and Water. Option A is correct.

The statement , the room temperature negative control respirometer contained yeast and water. This suggests that the purpose of this control was to measure the baseline rate of respiration of the yeast at room temperature, in the absence of any experimental treatment or intervention.

By comparing the results of this negative control to those of other experimental samples or treatment groups, researchers can determine whether any observed changes in respiration rates are due to the experimental treatment or some other factor.

A respirometer is a device that measures an organism's rate of respiration. It typically consists of a sealed chamber containing the organism or tissue of interest, as well as some means of measuring oxygen consumption or carbon dioxide production.

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Capillary action happens in light of the fact that water is tacky, on account of the powers of attachment (water particles like to remain nearby) and bond (water atoms are drawn in and stick to different substances).

The development of water particles in the plant body is because of the cement powers between the water atoms and surfaces of the root and stems. The durable powers present between the water particles keep them intact and back off their transportation.

Since water particles like to remain together (attachment) and like to adhere to the walls of the containers of cellulose (bond), they ascend the cylinders as far as possible from the roots to the leaves. Water then, at that point, dissipates from the leaves, assisting with drawing up additional water from the roots. This interaction is called hairlike activity.

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A replica of a groundbreaking advancement that is accessible in the class Reptilia to fight the lack of water through the skin scales. The correct answer is (C)  Respiration through the skin.

Breathing through the skin is called cutaneous breath. Numerous creatures of land and water depend on breathing through the skin, cutaneous breath, for some or all of their oxygen consumption, and particularly for carbon dioxide yield.

For skin breath, the skin must be sodden and slender. Really at that time engrossing the oxygen and transporting it to all pieces of the body through sensitive veins is sufficiently penetrable. This is classified as "dissemination" (from the Latin word "diffundere"/"diffuse").

Cutaneous breath, or cutaneous gas trade (some of the time called, skin breathing), is a type of breath wherein gas trade happens across the skin or external integument of an organic entity as opposed to gills or lungs.

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The genes E and G are located far apart on the chromosome, hence they are expected to show the highest frequency of recombination. Therefore, the correct answer is option B) E and G.

The term recombination can be defined as the process in which new combinations of alleles or genes are created through genetic exchanges that occur between homologous chromosomes or between DNA molecules. The frequency of recombination is typically expressed as a percentage of the total number of offspring in a population. The two genes that exhibit the highest frequency of recombination are usually located far apart on a chromosome. Therefore, the answer to the question is option B) E and G.

To understand the given problem statement, one must have a basic idea of gene recombination and linkage analysis. As per the given information, the given symbols A, W, E, G are symbolic notations for genes located on the chromosome. And, the numbers 5, 3, 12 indicate the frequency of recombination that occurs between two genes present on the same chromosome.The genes that are located near to each other on a chromosome tend to stay together and are said to be linked. Whereas, the genes located far apart on the chromosome exhibit a high degree of recombination between them. The probability of recombination between two genes increases with the increase in the distance between them. On the other hand, the genes that are closely located to each other exhibit a low degree of recombination as they are usually inherited together.

The highest frequency of recombination is expected between the genes that are located far apart on the chromosome. Thus, as given in the options, the genes E and G are located far apart on the chromosome, hence they are expected to show the highest frequency of recombination. Therefore, the correct answer is option B) E and G.

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Answer:

Yes

Explanation:

Turtle and Snakes are both reptiles

Four major types of cloning vectors are cosmids, bacteriophages, artificial chromosomes, and plasmids. Cosmids are hybrid plasmid-bacteriophage vectors that can carry larger fragments of DNA .

than traditional plasmids. Bacteriophages are viruses that can infect bacteria and be used as vectors to introduce foreign DNA into bacterial cells. Artificial chromosomes, such as bacterial artificial chromosomes (BACs) and yeast artificial chromosomes (YACs), are designed to mimic the natural chromosomes found in organisms and can carry large fragments of DNA. Plasmids are circular pieces of DNA that are commonly used as vectors in genetic engineering experiments due to their small size, ease of manipulation, and ability to replicate independently. Transposable elements and operons are not typically considered major types of cloning vectors.

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The biomolecule that includes a polydentate ligand called a porphyrin is chlorophyll. This is the correct answer.

Chlorophyll is a green pigment found in plants, algae, and some bacteria that are involved in the process of photosynthesis.

It contains a porphyrin ring, which is a complex ring structure composed of four pyrrole subunits, and a central magnesium ion.

The porphyrin ring acts as a polydentate ligand, meaning that it can form multiple bonds with a metal ion, such as magnesium.

This allows chlorophyll to absorb light energy and transfer it to other molecules during the process of photosynthesis.

Hemoglobin is a protein found in red blood cells that are involved in oxygen transport, but it does not contain a porphyrin ligand.

Cytochrome c is a protein that is involved in electron transport, and it contains a heme group, which is similar in structure to a porphyrin ring but has a different metal ion in the center.

Carbonic anhydrase is an enzyme that catalyzes the conversion of carbon dioxide and water into carbonic acid, but it does not contain a porphyrin ligand.

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Answer: The answer would be nucleus.

Explanation:

The nucleus is well known for the command center. That’s how you get the answer.

Answer:

the nucleus

Explanation:

Answer:

mRNA

Explanation:

This is because mRNA is a single stranded RNA molecule which is produced from the process of transcription and it's compliment one of the strand of DNA gene. They are made in the nucleus and later moved to the cell cytoplasm where translation occur. The RNA molecule is decided by RIBOSOMES during protein synthesis and it match amino acids to codons.

The process of a seed germination is described as the culmination of a series of actions that start with hydration and end with the emerging of the embryo (typically the radicle) out from seed coat.

The given image is about Seed germination. The answers are listed below,

15. B) Seeds germinate faster at warmer temperature

16.  D) Day 10

17. A) kind of seeds

18.  B) number germinating.

19.  A) 79ml.

20. B)  A theory makes predictions about unknown.

Rapid water uptake by the seeds during the early stages of germination causes swelling and optimal temperature-induced breakdown of the seed coat. Imbibition is the name given to this phase. Enzymes are activated to begin the growth process. The seed starts to create proteins, respire, and metabolize the food that has been stored after activating its internal physiology. This is the seed germination lag phase.

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Answer:

No

Explanation:

it shows during those years the lion population decreased..this can either be because of emmigration or drought

As there is no predator to hunt down the prey(buffalo)..they were able to reproduce and multiply

Answer:

No because it demonstrates that the lion population declined throughout those years. either a drought or emigration may be to blame for this. As there is no predator to kill the buffalo, they were allowed to breed and grow in number.

As compared to SO muscle fibers, all of the following are correct about FG muscle fibers except d) They have a lower recruitment threshold.

As compared to SO muscle fibers, all of the following are correct about FG muscle fibers except d) They have a lower recruitment threshold. Fast Glycolytic (FG) muscle fibers have high myosin ATPase activity, low mitochondrial and capillary density, and are innervated by large motor neurons. These fibers are designed for short, powerful bursts of energy and fatigue more quickly than slower-twitch oxidative fibers. They are used for activities such as weightlifting or sprinting.

However, FG fibers have a higher recruitment threshold, meaning they are not recruited until the activity requires high force output or maximal efforts. Slow-twitch oxidative fibers (SO), on the other hand, have a higher capillary and mitochondrial density, are innervated by smaller motor neurons, and have a lower myosin ATPase activity. They are designed for endurance activities and are fatigue-resistant.

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Answer:

Sperm and egg cells are designed the way they are through the process of meiosis to increase the likelihood of fertilization and pregnancy in several ways:

Production of haploid cells: Meiosis produces haploid cells with half the number of chromosomes as the parent cell. This ensures that when sperm and egg cells combine during fertilization, the resulting zygote will have the correct number of chromosomes (diploid) and be able to develop into a viable embryo.

Genetic diversity: Meiosis also results in genetic diversity in the sperm and egg cells. During meiosis, homologous chromosomes can exchange pieces of genetic material through a process called crossing over, resulting in new combinations of genes. Additionally, during the random segregation of chromosomes in meiosis, different combinations of chromosomes can be sorted into different cells. These mechanisms increase genetic diversity in the offspring, which can be beneficial for the species in terms of adapting to changing environments and resisting disease.

Reduction in DNA content: Meiosis reduces the amount of DNA in each sperm or egg cell. This is important because if the amount of DNA in each sperm or egg cell was not reduced, the amount of DNA in the zygote would be too large, potentially leading to developmental abnormalities.

Ensuring genetic stability: Meiosis includes checkpoints that ensure the proper sorting and distribution of chromosomes. This helps to prevent errors in chromosome number or structure, which can lead to genetic disorders or miscarriage.

Overall, the unique features of meiosis that lead to the production of haploid cells, genetic diversity, reduction in DNA content, and ensuring genetic stability all increase the likelihood of successful fertilization and pregnancy.

True, a plant's stomata permit air to enter the leaf tissues. Little apertures called stomata allow gases to enter and exit leaves. They are commonly located on the undersides of leaves.

As this evolutionary development is so crucial to plant identity, almost all terrestrial plants use the same pores, known as stomata, to absorb carbon dioxide and release oxygen. For photosynthesis to occur, the small stomata are necessary. Tens of thousands of them cover the surfaces of the plants.

They are essential to photosynthesis because they allow carbon dioxide to enter the leaf and oxygen to leave. Moreover, the stomata aid in transpiration.

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All of the mentioned disciplines are major contributors to the field of environmental science except c. linguistics.

Environmental science is a multidisciplinary field of study that focuses primarily on the variety of environmental issues brought on by human activity: fulfilling requirements and needs, handling materials, and delivering undesirable items back into the climate.

The disciplines of physics, chemistry, biology, geography, geology, soil science, hydrology, various engineering fields (particularly sanitary engineering, which is now commonly referred to as environmental engineering), and ecology form the foundation of environmental science.

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Answer:

sorry I just know one 2

Explanation:

A brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as vision. It is the most complex organ in a vertebrate's body.

Explanation:

how do your bones move? Moving your joints and you move your joints by using muscles.

What's holds up your bones? Muscles.

Answer:

well the skeletal system and the muscular system work together bc the skeletal system helps support the body frame and supports the weight and the muscular system attaches the bones together

Explanation: