how do ecosystems change activity fifth grade science

Animals with smaller brains and simpler nervous systems have mostly inherited behaviors, whereas animals with larger brains and more complex nervous systems have mostly learned behaviors.

The brain is the main organ which serves the function of nervous coordination in the body.

The brain in living organisms control the thought process as well as the activity of other organs in the body.

The brain dictates how the body responds to external stimuli.

Therefore, brain size ands hence, brain complexity affects the abilities of living organisms.

In conclusion, the brain controls the way living organisms responds to stimulus.

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Answer: A barometer !

Explanation:

Hoped this helped ! :)

The most likely consequence of a mutation that renders dopa decarboxylase inactive is that dopamine would not be synthesized. Dopa decarboxylase is an enzyme that converts the amino acid L-dopa to dopamine. Without this enzyme, L-dopa cannot be converted into dopamine.

Dopamine is an important neurotransmitter involved in various physiological processes in the brain. It plays a crucial role in mood regulation, movement coordination, and reward processing. If dopa decarboxylase is inactive due to a mutation, the conversion of L-dopa to dopamine would be disrupted.

As a result, dopamine would not be produced. This would lead to a deficiency of dopamine in the brain, affecting the normal functioning of the dopaminergic system. Without dopamine, certain neurological processes would be impaired, potentially leading to a range of symptoms depending on the specific area of the brain affected.

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When mRNA leaves a eukaryotic cell's nucleus, it next becomes associated with ribosomes in the cytoplasm.

After mRNA is transcribed in the nucleus, it is transported out of the nucleus through nuclear pores.

Once in the cytoplasm, it binds to ribosomes, which are the cellular structures responsible for protein synthesis. The ribosomes read the mRNA's sequence and translate it into a chain of amino acids, ultimately forming a protein.

Following its exit from a eukaryotic cell's nucleus, mRNA associates with ribosomes in the cytoplasm to initiate the process of protein synthesis. This is an essential step in gene expression and cellular function.

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In a high substrate environment, the enzymes would work faster than in a medium substrate environment to break apart 100 substrates. This is because when there are more substrates available, the enzymes have a higher chance of encountering and reacting with them, which leads to a higher reaction rate.

No, the same enzyme may not be able to break apart 100 substrates if the substrate changes shape.

Enzymes are highly specific in their action and can only bind to and react with specific substrates that fit their active site's shape. If the substrate changes shape, it may no longer fit the enzyme's active site, making it impossible for the enzyme to catalyze the reaction.

Therefore, the enzyme would not be able to break apart 100 substrates that are different in shape from the original substrate.

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Answer:faster

Explanation:

finds more substrates

Answer:

white spruces, red foxes

Explanation:

The most likely mode of speciation that resulted in the divergence of the two species of antelope ground squirrel in northern Arizona is allopatric speciation. The formation of a new and distinct species from an original population is known as speciation.

This can occur when populations become isolated from one another and evolve unique adaptations, resulting in the formation of new species. In northern Arizona, the Grand Canyon serves as a geographic barrier that separates the populations of white-tailed antelope ground squirrels on the north rim and Harris’s antelope ground squirrels on the south rim. The two populations are geographically isolated from one another, which is why this situation is a classic example of allopatric speciation .

Allopatric speciation is the mode of speciation that is most likely to result in the divergence of the two species seen today. Allopatric speciation occurs when populations of the same species become geographically isolated from one another and undergo different selective pressures. These selective pressures may result in the accumulation of genetic differences between the populations, which can eventually lead to the formation of new species.

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Answer:

The function of synapse is to transmit the electrical impulses from one neuron to other.

Explanation:

hope it help goodluck:)

Answer:

Synaptic function is to transmit nerve impulses between two nerve cells (neurons) or between a neuron and muscle cell. Synapses connect one neuron to another and are thus responsible for the transmission of messages from the nerves to the brain and vice versa.

Explanation:

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Answer:

Are the gas planets

Explanation:

The outer planets are called the jovian planets, meaning huge gas giant. These planets in order are Jupiter, Saturn, Uranus, and Neptune. Pluto comes

Xanthophylls are more polar than carotene due to oxygen-containing functional groups. In chlorophyll TLC, the mobile phase (nonpolar) carries the sample while the stationary phase (polar) remains fixed. Intermolecular forces ranking: van der Waals < dipole-dipole < hydrogen bonding < salt formation.

Xanthophylls are more polar than carotene. Xanthophylls contain oxygen-containing functional groups such as hydroxyl (-OH) and carbonyl (C=O) groups, which increase their polarity compared to carotene, which lacks these groups.

In the chlorophyll TLC (thin-layer chromatography) experiment, the mobile phase is typically a nonpolar solvent such as hexane, while the stationary phase is a polar adsorbent material coated on the TLC plate, such as silica gel or alumina. The mobile phase is named so because it moves or "migrates" up the TLC plate, carrying the sample components with it. The stationary phase remains fixed in its position, allowing separation of the components based on their affinity for the stationary phase.

Ranking the strengths of the intermolecular forces :

1. van der Waals forces: These forces arise from temporary fluctuations in electron density, resulting in weak attractions between molecules.

2. Dipole-dipole interactions: These interactions occur between polar molecules, where the positive end of one molecule is attracted to the negative end of another molecule.

3. Hydrogen bonding: This is a specific type of dipole-dipole interaction that occurs when a hydrogen atom is bonded to a highly electronegative atom (such as oxygen, nitrogen, or fluorine) and forms a weak bond with another electronegative atom.

4. Salt formation: This involves the formation of strong ionic bonds between positively and negatively charged species, resulting in a high level of interaction strength.

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Here is a table comparing the structure and function of microtubules, microfilaments, and intermediate filaments:

1. Number of Subunits: Microtubules are composed of αβ-tubulin heterodimers, whereas microfilaments (also known as actin filaments) are composed of actin monomers (G-actin). Intermediate filaments are composed of varying types of subunits, such as keratins, vimentin, etc.

2. Nucleotides for Regulation: Microtubules are regulated by the hydrolysis and binding of GTP (guanosine triphosphate). Microfilaments are regulated by the hydrolysis and binding of ATP (adenosine triphosphate). Intermediate filaments do not rely on nucleotides for regulation.

3. Regulation Mechanism: The structure and assembly of microtubules and microfilaments are regulated by the hydrolysis and binding of their respective nucleotides (GTP for microtubules and ATP for microfilaments). These nucleotide-binding events can affect the stability and dynamics of the filaments. Intermediate filaments do not have a clear regulation mechanism based on nucleotide hydrolysis and binding.

4. Symmetry: Microtubules and microfilaments exhibit polarity and have distinct plus (+) and minus (-) ends. Microtubules grow by adding αβ-tubulin subunits preferentially at the plus end. Microfilaments grow by adding actin monomers primarily at the plus end as well. In contrast, intermediate filaments lack clear polarity.

5. Assembly: Microtubules assemble through the polymerization of αβ-tubulin heterodimers. Microfilaments assemble through the polymerization of actin monomers. Intermediate filaments assemble through the polymerization of filament subunits, which vary depending on the specific type of intermediate filament.

6. Functions: Microtubules provide structural support, maintain cell shape, and play a role in various cellular processes such as chromosome segregation during cell division. Microfilaments are involved in cell motility, muscle contraction, and cytokinesis (cell division). Intermediate filaments contribute to the structural integrity of cells, provide mechanical strength, facilitate cell adhesion, and confer resistance to mechanical stress.

These are some key aspects that differentiate microtubules, microfilaments, and intermediate filaments in terms of their structure, regulation, symmetry, assembly, and functions.

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The mating of two individuals that are related to each other is known as inbreeding.

Inbreeding refers to the mating or reproduction between individuals that share a close genetic relationship, such as siblings, parent-offspring, or cousins. It is a form of breeding that occurs within a limited gene pool. Inbreeding can result in the offspring inheriting similar genetic traits from both parents, including both desirable and undesirable characteristics.

The primary reason for inbreeding is to preserve or concentrate specific traits or genetic lines within a population. In some cases, breeders intentionally practice inbreeding to fix desired traits or to create a breed with consistent characteristics. However, inbreeding can also lead to an increased risk of inheriting genetic disorders or abnormalities. This is because mating between closely related individuals increases the likelihood of inherited recessive traits or genetic defects being expressed in the offspring.

Inbreeding can have both positive and negative effects, depending on the specific goals and circumstances. It is commonly used in selective breeding programs but requires careful management to prevent the accumulation of detrimental genetic traits.

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There are more broilers than layers. Chickens are divided into two main groups: broilers and layers. Broilers are chickens that are raised for their meat, while layers are chickens that are raised for their eggs. One point of comparison between these two types of chickens is the number of broilers and layers. In general, there are more broilers than layers because broilers are raised in much larger numbers than layers. This is because the demand for chicken meat is much higher than the demand for eggs, so more chickens are raised for meat than for eggs. Therefore, the answer to the question is that there are more broilers than layers.

Answer:

The sagittal planes runs parallel to the longitudinal axis of the organism, or from the mouth to the tail. The direction toward the sagittal plane is called medial, while the direction away from the sagittal plane is known as lateral

Explanation:

A polymerization reaction is made irreversible by b. hydrolysis of a pyrophosphate group

The polymerization reaction is a combination reaction of unsaturated fatty acids to form complex compounds called dimers and trimers. The efficiency of the polymerization catalyst depends on the strength of the complex acid.

The polymerization reaction becomes irreversible or irreversible when the formation of a phosphodiester bond by hydrolysis of the pyrophosphate group into two inorganic phosphates. A phosphodiester bond is an ester bond that forms between a sugar and a phosphate to form the backbone of a nucleic acid by linking a sugar on one nucleotide to a sugar on the next nucleotide. When one nucleotide is combined with another nucleotide, it cannot be changed anymore, this causes the polymerization reaction to be irreversible.

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In birds and mammals, the sinoatrial node is a small cluster of specialized cells located in the right atrium of the heart. It is often referred to as the "pacemaker" of the heart because it generates electrical signals. Pacemaker is right answer.

The vestige of the sinus venosus of the fish heart refers to the evolutionary remnants of the fish heart structure that can still be found in birds and mammals in the form of the SA node. The SA node acts as the primary natural pacemaker of the heart, initiating the electrical impulses that regulate the rhythm and rate of the heartbeat. These impulses spread throughout the heart and coordinate the contraction and relaxation of the atria and ventricles, ensuring an efficient and coordinated pumping action of the heart. Other options listed, such as baroreceptor, site of erythropoiesis, inhibitory node, and diastole detector, are not accurate descriptions of the SA node or its function in the heart.

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For one glucose molecule, 2 NADH are produced during glycolysis and 6 NADH are produced during the Krebs cycle, resulting in a total of 8 NADH molecules.

In cellular respiration, NADH is produced during both glycolysis and the Krebs cycle.

1. Glycolysis: During glycolysis, 2 NADH molecules are produced per glucose molecule.

2. Krebs cycle: For each glucose molecule, 2 Acetyl-CoA molecules enter the Krebs cycle. In each cycle, 3 NADH molecules are produced, so a total of 6 NADH molecules are produced for one glucose molecule in the Krebs cycle.

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Below ten possible safety hazards in a gym setting that you may want to look out for:

To address the above  hazards, here are some general recommendations:

Lastly, Learn proper technique from a qualified instructor and avoid pushing yourself beyond your limits. Drink enough water before, during, and after your workout to stay hydrated.

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Answer:

it's water molecules

Explanation:

Polar bonds are intermediate between pure covalent bonds and ionic bonds. They form when the electronegativity difference between the anion and cation is between 0.4 and 1.7. Examples of molecules with polar bonds include water, hydrogen fluoride, sulfur dioxide, and ammonia

Bacteria will have the simplest cellular structure. So the correct option is A.

A cell type without a genuine nucleus or membrane-bound organelles is referred to as prokaryotic. All the other types of life are eukaryotic, whereas organisms in the categories of Bacteria and Archaea are centered on the prokaryotic cell.

Prokaryotic species, on the other hand, are exceedingly prevalent and account for a large portion of the biomass on Earth.

Unicellular organisms are those that have prokaryotic cells. We refer to them as "prokaryotes." A prokaryotic cell may operate as a live creature thanks to a number of factors. Prokaryotes have a cell membrane covering them at first.

With the help of this membrane, they may engineer a particular environment for metabolic processes within the cytosol. Second, these cells contain both ribosomes and free DNA.

Even though ribosomes are organelles, a plasma membrane does not enclose them.

Therefore the correct option is A.

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Explanation:

the beam balance/ scale was not at zero

special conditions were not maintained

stop watch/timer was not at zero

multiple readings were not taken

liquids weren't place on level surface when measured

(what specific lab are you completing?)

Answer:

Asexual reproduction, the simplest and most primitive method of reproduction, involves a single parent and produces a clone, an organism that is genetically identical to the parent. Haploid gametes are not involved in asexual reproduction. A parent passes all of its genetic material to the next generation.

Explanation:

Answer:

Lol i see I’m not the only one who uses Brainly on k-12

Explanation:

This is Anaphase of Mitosis. Mitosis is an equational division.

A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase.

The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis. A cell copies each chromosome during mitosis and distributes one copy to each of its two daughter cells.

With regard to our example of an instruction manual, it is crucial that each person receive a duplicate of each page.

Therefore, This is Anaphase of Mitosis. Mitosis is an equational division.

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Meiosis and mitosis are similar because they both have prophase and an anaphase. Thus, option A is correct.

Meiosis is a reductional type of cell division in which half amount of genetic material is received by each daughter cells as parent cell. It is special type of cell division in which sexually reproducing organisms in which germ cells that are sperm or egg cells are produced.

Mitosis in contrast is somatic cell division in which each daughter cell receive the same number of chromosomes and which are similar to parent.

But, both the meiosis and mitosis processes occur during M phase of cell cycle. In prophase of both, condensing of chromosomes and separation of centrioles occur. So, in both the processes have similar steps called prophase and anaphase. Therefore, option A is correct.  

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The primary functions of whales include feeding, reproduction, communication, and migration.

Whales are primarily filter feeders or predators, depending on the species.

Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.

Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.

Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.

The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.

Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.

Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.

Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.

These migrations are driven by seasonal changes in food availability and environmental conditions.

In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.

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Answer:

right on Plato/ Edmentum

Explanation:

vagina               urethra

egg                   sperm

ovary                 testis

fallopian tube    vas deferens

The correct reproductive structure is based on their function and the system to which they belong are:

In both males and females, a reproductive system is a group of internal and external organs that cooperate to allow for reproduction. The organs, glands, and tissues involved in childbirth (children).

The ovaries, fallopian tubes, uterus, cervix, and vagina are all parts of the female reproductive system. It includes the pen-is, prostate, and testes in men.

Therefore, the correct option is

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The theory of inheritance that would best describe this type of outcome is the blending inheritance theory.

This theory suggests that offspring inherit a blend of traits from their parents, resulting in intermediate characteristics. In this case, the number of petals in the offspring is a blend of the number of petals in the parent flowers, resulting in 8 petals.

However, it's important to note that this theory has been largely discredited in modern genetics, as it doesn't account for the complexity of genetic inheritance. Instead, the theory of particulate inheritance, which involves the passing down of discrete units of genetic information called genes, is now widely accepted.

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