Punctuated equilibria and extinct is also aware choices

Answer:

Bee pollinating a flower

Explanation:

The organic product in each of the reactions is sodium azide.

One or greater materials that react collectively to shape a product is known as a chemical reaction. Most chemical reactions take vicinity with the assistance of reagents. Reagents are materials that might be used to convert one shape of a substance to another.

The reactions go through substitution and discount reactions to attain the very last natural product. Sodium azide (NaN) and sodium cyanide (NaCN) are proper nucleophiles. When it reacts with an alkyl bromide, it undergoes a substitution reaction.

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The process during which hydrosphere interacts with the exosphere is during the condensation of water vapor into water.

hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air while exosphere is the outermost layer of Earth's atmosphere which is the upper limit of the atmosphere and extends from the exobase, which is located at the top of the thermosphere.

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The arrangement of the stars can bring you good luck is most likely to be based on pseudoscience.

These are statements which seem factual but has no relationship with scientific methods.

Option A was chosen because there is no scientific proof that stars bring luck gto individuals.

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If a 7mm thick plate had been poured, this would affect the size of the inhibition zones, because the inhibition area would be smaller as a greater thickness would require more drugs in the same area.

It is one of the simplest, most reliable and most used susceptibility methods in microbiology laboratories. Its basic principle is the diffusion of the antimicrobial on the surface of the agar, from a disk impregnated with the same antimicrobial.

With this information, we can conclude that if a 7mm thick plate had been poured, this would affect the size of the inhibition zones, because the inhibition area would be smaller as a greater thickness would require more drugs in the same area.

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Answer:

It Should Be D

Explanation:

Because if you put it in a diagram like in the picture dulow you will see all of the have 1 big P and one small p

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The sharp features of this mountain was caused by glacial ice and is denoted as option C.

This is an elevated landform on the earth surface with a characteristic steep slopes present in the area.

Swiss alps is located in cold temperate regions with features such as glacial ice which is responsible for the sharp parts of the mountain via erosion.

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Stratum basale is the epidermal layer in which the enzyme tyrosinase is active.

This is an inherited disorder which is characterized by insufficient melanin production in the body.

The enzyme known as tyrosinase facilitates melanin production in the epidermal layer known as Stratum basale.

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An insect with coloration to prevent from being detected by a predator would be an example of Camouflage.

Camouflage, commonly characterized as cryptic coloring, is a defensive tactic used by organisms to obscure their appearance, generally in order to blend in with their environment.

Camouflage is utilized by organisms to hide their location, identity, and movement. This enables prey to evade predators while also allowing predators to sneak up on victims.

An insect with coloration to avoid being detected by a predator would be an example of Camouflage.

Thus, the correct answer is Camouflage.

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Answer:

neutrophils are responsible for destroying or neutralizing pathogens

The DNA extraction employed in research laboratories  are more advanced than those in the lesson since high quality DNA is required in research laboratories.

DNA extraction methods are the methods employed in the extraction of DNA from living cells.

Some DNA extraction methods include:

The different DNA extraction methods employed depends on the type of sample and the purity and quality of DNA required.

Therefore, the DNA extraction employed in research laboratories  are more advanced than those in the lesson since high quality DNA is required in research laboratories.

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The carrying capacity is the maximum number of individual organisms that a specific environment can support.

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A variation that results in increased fitness is more likely to be passed on  because the individual will reproduce. thus option B is correct.

Genetic diversity is endlessly possible as a result of sexual reproduction. In other words, sexual reproduction produces genetically distinct offspring. They are different from one another as well as from their parents.

Variation will be passed on through reproduction. reproduction results in genetic variation which increase the chance of survival of new organisms.

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Answer: Its C

Explanation:

Because those individuals are more likely to survive long enough to pass on their variations.

Some organisms have genes that improve their ability to survive and reproduce. If the gene also help their offspring survive and reproduce, then frequency in gene in population get increase.

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA and each chromosome contains many genes.

Throughout the individual lives, their genomes interact with their environments to cause variations in traits which help an organism to adapt better to the environment. These changes which help the organism's survival are selected and passed on to next generation.  The genes help in increasing the fitness of the organism and thus the gene frequency changes.  . The frequency of these gene increases as they are selected favourably.

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Answer:

The corect phase sequence shown

Gas, Liguid, Solid

Lqud, Gas, Solid

Sold, Liguid, Gas

Gas, Solid, Liquid

above i

In this question, we will understand the air path from entering the nasal passages to reaching the alveoli, where gas exchange takes place.

The air penetrates through the nasal passages, passes through the pharynx, larynx and trachea, bronchi, reaching the lungs where it travels through the bronchioles until reaching the alveoli, where gas exchange takes place. The difference between inspired and expired air is in the concentration of oxygen and carbon dioxide.

a) Blood leaving the air sacs is rich in oxygen gas.

b) When exhaling, the breath is rich in carbon dioxide.

c) If you trace the path of air moving through the respiratory system, it would enter through the mouth and nose. It continues through the pharynx, into the larynx, through the tubes and into the trachea and finally reaches the lungs.

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The skin shields the body from external conditions and aids in the regulation of the body's internal functions as part of the integumentary system.

The integumentary system is a collection of organs that make up the body's outermost covering. It is made up of the skin and its appendages, and it serves to protect and preserve the animal's body by functioning as a physical barrier between the exterior and interior environments.

The excretory system's skin, on the other hand, acts as a regulator for the amount of fluids and salt in our bodies.

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The one difference between RFLP and PCR is that RFLP requires larger samples of DNA than PCR requires.

Restriction fragment length polymorphisms, or RFLPs, are differences among individuals in the lengths of DNA fragments cut by enzymes.

Polymerase chain reaction, or PCR is a technique in molecular biology for creating multiple copies of DNA from a sample.

These two techniques are used in the study of DNA, however, one difference between RFLP and PCR is that RFLP requires larger samples of DNA than PCR requires.

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Explanation:

an allele is an alternative form of a particular gene whereas a trait is the character that is determined by the allele.

ALL cells do in order to maintain homeostasis by allows the organism in its combat to keep homeostasis.

Homeostasis is generally maintained withinside the human frame with the aid of using an incredibly complicated balancing act. Regardless of the variable being saved inside its regular range, preserving homeostasis calls for as a minimum 4 interacting components: stimulus, sensor, manage center, and effector.

Homeostasis relies upon on preserving accurate fluid stages in the cell and on changing useable materials, along with oxygen, for waste products, along with carbon dioxide.

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Answer: Because, if there was erosion, the earth could not get in touch with inner land, so erosion can happen on coastlines, rivers, canyons, or any thing that has a body of water.

Explanation:

Two control systems of the body

Endocrine and Nervous

Endocrine and nervous system similarities

-Work together to maintain homeostasis

-Release ligands (chemical messengers) that bind to cellular receptors on particular target cells

Endocrine and nervous system differences

Endocrine system: -Transmits hormones through blood

-Targets any cell in the body with the correct receptor

-Very widespread

-Exhibits longer reaction times and has longer-lasting effects

Endocrine System

-Composed of ducts and glands that synthesize and secrete hormones

-Hormones are released into the blood and transported throughout the body

Endocrine system regulation growth and development

-Changes measured from birth to puberty

-Hormones help regulate embryonic cell division and differentiation

-Hormones regulate metabolism

How does the endocrine system maintain homeostasis or blood composition and volume

-Hypothalamus

-Hormones regulate blood solute concentrations (ex glucose ions)

-Hormones regulate blood volume, cellular concentration, and platelet numbers

The endocrine system controlling digestive processes

-Trigger digestion when food is in the stomach

-Hormones influence secretory processes and movement of materials in the digestive tract

Endocrine System controlling Reproductive Activities

-Make sure sperm and egg make it to each other

-Hormones affect the development and function of the reproductive system and the expression of sexual behavior

Endocrine Glands

Contain epithelial tissue that makes and releases hormones within a connective tissue framework

Endocrine Organs

-Glands with solely endocrine functions

-Ex: Pituitary, pineal, thyroid, parathyroid, and adrenal

Endocrine Cells

-Found in clusters in organs with another function

-Examples in Hypothalamus, Thymus, Heart, Stomach, Liver, Pancreas, Small Intestine, Adipose Connective Tissue

-Pancreases is not an endocrine gland, but it does release hormones

Answer:

The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function,

reproduction, sleep, and mood, among other things.

Explanation:

Answer:

in science Observation is essential in science. Scientists use observation to

collect and record data, which enables them to construct and

then test hypotheses and theories . Scientists observe in many

ways – with their own senses or with tools such as microscopes,

scanners or transmitters to extend their vision or hearing

Answer:

Genetic Modification

The factor that most accurately distinguishes reproducibility from repeatability is the entity performing the experiment (Option A).

Reproducibility is a feature that indicates if an experiment can be imitated in all its variables.

Moreover, repeatability refers to the intrinsic characteristics of the person who takes measurements during experimentation.

In conclusion, the factor that most accurately distinguishes reproducibility from repeatability is the entity performing the experiment.

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Answer:

they live in a polar region.

Explanation:

it is very cold and

in the winter temperatures can drop below to about −58 degrees F

in the summer  temperatures can be about  32 degrees F

and the polar bears have thick coat of fur which under the fur a a thick layer of fat Fur even grows on the bottom of their feet which helps that to grip on ice.

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Answer:

scientific laws are descriptions of specific relationships under given conditions in the natural world

Some characteristics of plants that typically grow in the early and late stages of secondary succession are high respiration and photosynthesis.

Early succession plants are plants that exist or plants that sprout before any activity on farmland, they usually have a high rate of resource intake.

Typical examples are the weeds and grasses

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Replicability is the repetition of the experiment by other researchers who get the same results as the original experiment. B) Other students repeat the same procedure on other potatoes.

Following the scientific method, an experiment needs to be replicable.

Replication refers to the need of repeating a research study, under different situations, different subjects, and with different researchers to determine the safety of the original findings and their possibility of generalizing them to other situations and participants.

Replicability is the possibility of carrying out the same experiment by other researchers. When repeating the experiment, results should be the same, or with a minimal variation. Results heterogeneity should be minimal.

Option B is correct. Have other students repeat the same procedure on other potatoes.

The exact same experiment will be repeated by different students -researchers- and their results should be the same as the ones of the first student -potatoes are 40% water-.

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