Prepare your own key for the live lish in Figure 3. Use the same format as on page 15. The family names
to be used are the numbers 1, II, III, IV, and V, Your key should correctly use traits that will lead to each
lish family. To help you get started, the first statements are given. Statement I divides the five Ilsh into
two main groups, based on body shape. Next, choose another characteristic that will divide the fish not
having a tubellke body into two groups. Continue to choose characteristics that will separate a group
Into smaller groups. Write your key in the space belon.
1. A. Fish with long tubelike body
e. Fish with body shape not tubelike

Answer:

1. wolves, coyotes

2. cattle, deer, mice

3. hyenas, crows, vultures

4. owls, snakes. alligators

The fossil record from the grand canyon shows that organisms in group D were able to survive and remain relatively stable for the longest duration.

Fossils are remains of plantsand animals that have been preserved for a long time within rocks and underground.

The fossils records found in the grand canyon shows that the organisms in group D remained relatively unchanged while other organisms either went extinct or kept undergoing changes in their population.

Therefore, it can be concluded that the organisms in group D were able to survive and remain relatively stable for the longest duration.

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The amount of sagebrush would increase, which would lead to an increased population of jackrabbits, as sagebrush their food source. As the amount of jackrabbits increase, it gets easier for coyotes to hunt for them which in return, increases their survival rate/population.

If there is a change in a squid's messenger RNA, this change does not appear in its genetic material. This change neither will be inherited by its offspring.

During gene transcription, a fragment of DNA called gene is used as template to generate a messenger RNA (mRNA).

Subsequently, this mRNA is used as a template to create a protein by a process known as translation.

The mRNA is a molecule that carries the genetic material from DNA to protein but this process does not modify the genetic material.

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Answer:

(b) 1:2:1

Explanation:

Using a dihybrid cross, when we cross AABb X aaBb, we get the genotypes AaBB, AaBb, and Aabb in the ratio 1:2:1. The aabb genotype will not be produced.

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Answer:

Option B

Explanation:

1:2:1

Hope this help

Answer:

Keplar's First Law

Explanation:

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JHMS

Answer:

Plantations and farms provide food for people so there won't be starvation

Answer:

The cracks and crevasses in karst act as direct conduits for pollutants to enter groundwater, wells, springs, and streams. If you've got a sinkhole, you've got karst. Protect your groundwater and wells by being careful about what you spread in these areas.

Answer:

True! Your hypothesis is a fancy way of saying it's a guess. Your conclusion could be the same or completely different.

Explanation:

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If your conclusion does not support your hypothesis. this is false as hypothesis means explanation.

If the statistics constantly do now no longer aid the speculation, then CLEARLY, the speculation is NOT an affordable clarification of what you're investigating. The speculation is rejected, and we look for a brand new interpretation, new speculation that helps the experimental statistics.

When speculation fails, the primary issue you ought to do is look at the statistics closely. Then use your studies and statistics to decide a likely cause why the speculation changed into incorrect. Once you give you a cause your speculation can also additionally have failed, you could begin deliberating approaches to test your assumption.

Thus it is clear that if your conclusion does not support your hypothesis this is false.

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, The number plane, or Cartesian plane, is divided into four quadrants by two perpendicular lines called the x-axis, a horizontal line, and the y-axis, a vertical line. These axes intersect at a point called the origin. Once a unit distance has been chosen, the position of any point in the plane can be uniquely represented by an ordered pair of numbers (x,y). For the point (5,3), for example, 5 is the x-coordinate and 3 is the y-coordinate, sometimes called the first and second coordinates. When developing trigonometry, the four quadrants are usually called the first, second, third and fourth quadrants as shown in the following diagram.

Answer:

They hibernate in winter and usually breed in spring.

Explanation:

Answer:

Deforestation

Burning of fossil fuels

for energy and transportation

Answer:

Volcanic Eruptions, burning fossil fuels, deforestation, fluorinated gases

Explanation:

Natural:

Human:

None of the interest groups mentioned opposed the U.S. Clean Water Act. In fact, the Clean Water Act was passed with broad support from a variety of stakeholders, including environmental groups, industry, and government agencies.

The Clean Water Act (CWA) is a federal law enacted in 1972 with the aim of regulating and protecting the nation's waters from pollution and contamination. The CWA established a framework for controlling and limiting the discharge of pollutants into navigable waters, including rivers, lakes, and coastal areas, and set water quality standards to ensure that waters are safe for human use and aquatic life.

The Act provides a regulatory framework for permitting discharges of pollutants, sets water quality standards for contaminants, and establishes a program for regulating the discharge of pollutants from stormwater runoff. The CWA has been amended several times to strengthen its provisions, and it remains a critical tool for protecting water resources and public health in the United States.

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The associations are involuntary, digestive tract and arteries  >> smooth; whereas voluntary, tendons, extensors >> skeletal and electrical nodes >> cardiac.

Muscles are a special type of tissue that has the ability to contract in response to a given stimulus.

There are different three types of muscle fibers: cardiac muscle, skeletal muscle and smooth muscle.

Cardiac muscle and smooth muscle are involuntary muscles, whereas skeletal muscle is a voluntary muscle.

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Answer:

Involuntary: Smooth

Voluntary: Skeletal

Electrical Nodes: Cardiac

Tendons: Skeletal

Digestive Tract: Smooth

Arteries: Smooth

Extensors: Skeletal

Explanation:

Types of muscles. The three kinds of muscle in the body are the skeletal muscle, the smooth muscle, and the cardiac muscle. The skeletal muscles are attached to the bones and allow one to move at will. Because the skeletal muscles are mostly under your conscious control, they are sometimes called "voluntary" muscles. Smooth muscle lines the inside of such hollow organs as the digestive system, bladder, and arteries. Smooth muscles work automatically and are beyond your conscious control. They are referred to as "involuntary" muscles. Cardiac muscle is unique to the heart.

Although skeletal muscles seem to be under your control, a lot happens of which you are not aware. First of all, your posture, even when asleep, is controlled by skeletal muscles without your paying much attention to it. Your mouth, for instance, would flap open if your brain did not maintain a certain tension in your chewing muscles all the time. Your chin would spend a lot of time resting on your chest if your neck muscles didn't hold your head up. And your movements of all kinds would be pitifully awkward if your cerebellum did not coordinate all the muscles necessary to perform even the simplest actions. Just scratching your nose, for instance, requires dozens of muscles to move in exactly the right way at exactly the right time. You are truly "fearfully and wonderfully made."

We will now take a closer look at the other two types of muscles. Skeletal muscles can be attached to other muscles or to bones either directly or by a thin band of connective tissue called a tendon. Do not confuse this tendon with a ligament, which connects bone to bone and not muscle to bone. Two good examples of tendons can be found in the back of your legs. One is the Achilles tendon which attaches the calf muscle in the lower back part of your leg to your heel. The other tendons are on the back side of your knee, called the hamstrings. They serve to attach muscles in the upper back part of the leg to the bones of the lower leg and flex your knee. Locate these structures on your own leg.

The point at which a muscle is attached to the less movable part of the body is called the origin. The point at which a muscle is attached to the more movable part of the body is called the insertion. The biceps muscle of your upper arm is a good example of both these points. The biceps has its origin in your shoulder and its insertion in the bones of the forearm.

Skeletal muscles differ relative to their effect on the body. Those muscles that bend a joint are called flexors, and those muscles that straighten a joint are called extensors. Muscles always work in pairs, one opposing the action of the other. For instance, the upper arm has biceps on the front, which serves as the flexor. The muscle that opposes this motion and serves as the extensor of the forearm is the triceps, which is located on the back of the upper arm. When one muscle contracts, the other must relax. Study the diagram and then see if you can feel the alternating contraction of the biceps and triceps in your own upper arm as you bend and straighten it.

You should be careful to get enough exercise to keep your muscles in good shape. Muscles will grow larger and have better tone, which means they will always be slightly contracted, if they are used. If a person is lazy or is confined to a bed or wheelchair for a prolonged period of time, the muscles not being used will become smaller and lose their tone. This condition is called atrophy. A muscle atrophies at a rate of about 1% a day, so that it will lose a full third of its strength after a month of disuse. Disuse also causes bones to soften by losing their calcium. "Use it or lose it" is a solid maxim of physiology.

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Explanation: "The process of Photosynthesis is simple."

The process of photosynthesis can be divided into four steps.

The process: The first step in photosynthesis is the absorption of light by the sun that is attached to the proteins in the thylakoids of chloroplasts.

Electron Transfer. ...

Generation of ATP. ...    ATP is Energy-carrying molecule found in the cells of all living things.

Carbon Fixation.

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There is a total of the 4 major steps in photosynthesis. Photosynthesis is the method plants use sunlight, water, and carbon dioxide to create oxygen.

During photosynthesis, flora absorbs carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, which means it loses electrons, at the same time as the carbon dioxide is reduced, which means it profits electrons.  

It is handy to divide the photosynthetic method in flora into 4 stages, every happening in a described location of the chloroplast:

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Answer:

B

Explanation:

Genetic engineering can affect health and the environment. Plus, it can trigger allergies.

Answer:

Point mutation

Explanation:

Since it does not alter the amino acid, it would be a point mutation (unless if it did change the amino acid, it would be a frameshift mutation).

Non-living physical and chemical elements in the ecosystem are referred to as abiotic factors. Typically, abiotic resources are obtained from the lithosphere, hydrosphere, and atmosphere [e.g. water, aer, soil, sunlight, and minerals].

Biotic factors are organisms that are alive or were onse alive in an ecosystem. These are obtained from the biosphere and have the ability to reproduce [animals, birds, plants, fungi, and other identical organisms].

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Answer:

whales (order Cetacea) and hippopotamuses (order Artiodactyla)?

Explanation:

Does this help you???

Answer:

sound: because sound we can hear it, when someone says something to you, you can hear it but you cannot you cannot touch it

Answer: Carolus Linnaeus

Explanation:

Carlos Linnaeus created the binomial nomenclature system which gives scientific names to animals. Their genus and species is what classifies organisms.

Linnaeus also created the taxonomic system, which classifies organisms within different groups and subsets.

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Answer:

Break down food, grow, repair body tissue

Explanation:

Answer:

Punnett squares predict the probability of different genotypes in offspring

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TC

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Answer:

Nephrons in birds, mammals, and reptiles are all extremely similar, more so than other structures in the bodies of different species, solidifying the relatedness through similarity.

Explanation:

Birds can be said to have "mammal-like" nephrons from the number of loops and overall structure of their kidneys, which, although they look very different, serve the same purpose and do it in largely the same way. Reptiles also have mammal-like nephrons, and it can be assumed that this evolutionary trait was kept because the specific structure of the nephrons is generally the most efficient.

The presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates because the nephrons are similar to that of reptiles and mammals and other birds and vertebrates.

Nephrons are the functional unit of the kidney. There are many nephrons present in a kidney, it contains tubules and corpuscles.

The formation of urination is done by nephrons, the three functions of nephrons are filtration, reabsorption and secretion.

Thus, the presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates because the nephrons are similar to that of reptiles and mammals and other birds and vertebrates.

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Answer:

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The charge distribution is evenly distributed, and the molecules do not have positive and negatively charged ends.

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Answer:

lipids are nonpolar moecules which means their ends are not charged. Because they are nonpolar and water is polar lipids are not soluble in water. That means the lipid molecules and water molecules do not bond or share electrons in any way. Hope this helps

Answer:

The Toucan, as an animal, has to eat. So, the Toucan developed a more aggressive adaptation to get food. On the other hand, the Monstera Plant had to do something about the mold situation. So, it developed a less aggressive adaptation, more of a defensive one, to combat its issues.

Explanation:

The general journal of Smith Auto will be the first place where the company will record its data.

The general journal is illustrated below:

July 3:

Debit inventory $3100

Credit Account payable $3100

July 6:

Debit Cash $600

Credit Sales revenue $600

Debit Cost of goods sold $450

Credit Inventory $450

July 7

Debit Equipment $5000

Credit Capital $5000

July 9

Debit Account receivable $750.

Credit Equipment $750

July 13

Debit Account receivable Bell $3200

Credit Sales revenue $3200

Debit Cost of goods sold = $2800

Credit Inventory = $2800

July 15

Debit Sales return $500

Credit Account receivable $500

July 22

Debit Building $20000

Credit Notes payable $20000

July 26

Debit Salaries expense $4400

Credit Cash $4400

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