6. Prepare a dichotomous key for the five fish in Figure 3.
REMEMBER: 1.) Each step has only two options. 2.) The options should be about the same characteristic.
Instead of ending with the family name for these fish, you should end with the numbers I, II, III, IV, and V. To
help you get started, I have given you the first pair of statements.
1.A.
B.
2.A.
Figure 3.
If the fish has a long, tube like body
If the fish does not have a tube like body
IV
******

Answer:

9. 50%

10. There is a 2 in 4 probability their offspring will be Heterozygous for ear lobes

Explanation:

So if pendulous ear lobes are (E) and adherrent ear lobes are (e)

Its important to regonize that a man who has pendulous ear lobes whose mother had adherrent ear lobes should be written as (Ee) seeing as how the pendulous ear lobes are dominant over adherrent ear lobes

also, recognize that while using a punnet square you have a set of two alleles

Note: The husband is Heterozygous

The Husbands: (Ee) pendulous ear lobes

The Wifes: (ee) adherrent ear lobes

Heterozygous just means they can either pass on the pendulous ear lobes or adherrent ear lobes so their alleles look like (Ee)

you can begin the problem by using a punnet square:

            e                   e    

E         Ee                  Ee

e        ee                   ee

The smoking or act of inhaling smoke can damage the respiratory system by reducing the surface area for the exchange of the gases and can lead to cancer as well.

Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. It can also cause irritation of the trachea (windpipe) and larynx (voice box). Inhaled tobacco smoke moves from the mouth through the upper airway, ultimately reaching the alveoli.

As the smoke moves more deeply into the respiratory tract, it can cause inflammation and damage to the cilia, tiny hairs that play an essential role in the function of the respiratory system. Smoking can also increase the production of phlegm and mucus, leading to an increased risk of respiratory infections. It can also damage the cilia that help to clear unwanted particles from our lungs over time. Cigarette smoke can also contain high levels of carcinogens, which can lead to lung cancer.

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Answer:

yes because all is caused from the over use and exploitation of harmful gasses like CO2.

Explanation:

Answer:

Yes, I think there is a connection between carbon levels, global temperatures, ice melting, and sea-level rise. I said yes because, all of these are caused from the over use and exploitation of harmful gasses like CO2

Explanation:

Answer;

im confuzzled but it might obviously be B. if im correct.

Explanation:

Answer:

A. Chimpanzees and humans have a common ancestor

Explanation:

technically humans evolved from chimpanzees so the first chimpanzee is technically the first human

The light reactions of plants are a series of photochemical reactions that occur in the chloroplasts of plant cells. These reactions convert light energy into chemical energy in the form of ATP and NADPH.

The light reactions are divided into two stages: the light-dependent reactions and the light-independent reactions. The light-dependent reactions take place in the thylakoid membrane and involve the chloroplasts absorption of light energy by pigments, the transfer of electrons through a series of electron carriers, and the production of ATP and NADPH. The independent light reactions, also known as the Calvin cycle, take place in the stroma of chloroplasts and use the ATP and NADPH produced in the light-dependent reactions to fix carbon dioxide and create glucose and other sugars.

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Answer: I know C and D for sure...maybe B too? Not too sure

Explanation:

The four major principles of natural selection are that populations of living things change over time due to a straightforward mechanism called natural selection.

In fact, it is so straightforward that it can be divided into five simple processes, referred to here as VISTA (variation, inheritance, selection, time, and adaptation). Most attributes are inherited, more offspring are generated than can survive, and offspring with more attractive traits will survive and have more offspring than those with less favorable traits.

These three principles result in natural selection, which is an unavoidable process. More environment-adapted organisms are more likely to survive and pass on the genes that contributed to their success. Over time, species change and diverge as a result of this process.

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Answer:

Plants increase in mass as they convert solar energy to chemical energy

Answer:

The answer is A, tails.

Explanation:

Some don't have tails and look like balls of light instead.

Answer:

tail if this is wrong (sorry)

Answer:

to produce gamate or reproductive cells.

to distinguish between male and female specie.

to produce tetrads having equal number of chromosomes

Plants require three elements in order to perform photosynthesis: carbon dioxide, water, and sunlight.

According to the chemical equation for photosynthesis, the reactants (carbon dioxide, water, and sunlight) result in the production of glucose and oxygen gas as two products. The complete mechanism of photosynthesis is represented by a single chemical equation.

A reaction that is endothermic is photosynthesis. This indicates that without energy, it cannot happen (from the Sun). Chlorophyll, a green pigment found in leaves, absorbs the needed light.

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Answer:

C

Explanation:

Breaks are called faults, and the 2 tectonic plates at the fault move and they can squeeze together to form a mountain. They can also form earth quakes like that. Volcanoes can be formed by 2 tectonic plates that move apart

Answer:

Alder Fly

Explanation:

That looks very similar to an Alder Fly because of the designs on the wings and the way it's formed.

Answer:

comlex system of reproduction through spores, seeds, and fruits

There are two methods for finding the hypothesis Null hypothesis and the p-Value method.

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As humans age, they become more susceptible to disease and cancer.

The statement "As humans age, they become more susceptible to disease and cancer" is not an example of homeostasis. Homeostasis refers to the ability of an organism or system to maintain a stable internal environment despite external changes. It involves the regulation and balance of various physiological processes.

The other options provided in the question are examples of homeostasis:

In contrast, the statement about aging and increased susceptibility to disease and cancer does not describe a mechanism of maintaining internal stability or balance. Aging is a natural process that is associated with various changes in the body, including a decline in certain physiological functions and an increased risk of developing diseases. It does not directly relate to the concept of homeostasis.

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Answer:

Linnaean steps.

Explanation:

About 1.2 million species have been formally described, the vast majority from the land rather than the oceans

A small amount of DNA was taken from a fossil of a mammoth found frozen in glacial ice. Genetic technology can be used to produce a large quantity of identical DNA from this mammoth's DNA. In this technology, the original DNA sample is used to Act as a template for repeated replication.

Gene technology refers to a wide variety of activities related with understanding gene expression, exploiting natural genetic diversity, changing genes, and transferring genes to other hosts. Genes may be present in all living creatures and are handed down from generation to generation.

Genetic engineering has been used in science and industry to create cancer medicines, brewing yeasts, genetically engineered plants and livestock, and more.

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Answer:

i know how to do them kinda, i just finished learning them, i cant give u a 100% on it but can u take another picutre but zoomed in so i can see the problems better

Explanation:

Gametes, or sex cells, which are needed for sexual reproduction are created during meiosis. It deactivates the sporophytic information while activating the genetic information for the production of sex cells.

Meiosis is, meaning "lessening," as it is a division through reduction)  In sexually reproducing animals, is a specific form of cell division of germ cells that results in the gametes, such as sperm or egg cells.

It comprises two rounds of division, producing four cells with just one copy of each chromosome as a final product (haploid). Furthermore, genetic material from the paternal and maternal copies of each chromosome is crossed over prior to division, resulting in novel combinations of coding on each chromosome.

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From four individual toppings that are available, you can create four combinations of a 3-toppings pizza.

If a pizza restaurant has four toppings available namely hamburger, pepperoni, Canadian bacon, and sausage, therefore that particular pizza restaurant is able to make four different combinations of 3-topping pizzas out of those four toppings using the concept of permutations in probability. The first combination would be of a pizza with toppings of hamburger, pepperoni, Canadian bacon. The second combination would be of a pizza with toppings of hamburger, pepperoni, and sausage. The third combination would be of a pizza with toppings of hamburger, Canadian bacon, and sausage. The fourth combination would be of a pizza with toppings of pepperoni, Canadian bacon, and sausage.

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Your question seems incomplete, but I assume the full question was:

"A pizza restaurant has hamburger, pepperoni, Canadian bacon, and sausage. How many ways can a three topping pizza be created?"

The vasculature is a network of blood arteries that connects the heart to all of the body's organs and tissues. Arteries and arterioles transport oxygen-rich blood and nutrients from the heart to the organs and tissues, while veins and venules return deoxygenated blood to the heart.

Blood vessels are circulatory system components that convey blood throughout the human body. These veins carry blood cells, nutrients, and oxygen to the body's tissues. They also remove trash and carbon dioxide from tissues. All of the body's tissues rely on the functioning of blood arteries to support life.

There are five types of blood vessels: arteries, which take blood out from the heart; arterioles; capillaries, which exchange water and chemicals between the blood and the tissues; venules; and veins, which bring blood back towards the heart from the capillaries.

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Full Question: There are two types of blood vessels that connect to capillaries: venules and arterioles. Based on their names, what can you guess their role is in carrying blood? Do they carry oxygenated or deoxygenated blood?

The cremaster muscle is controlled by the sympathetic nervous system.

The sympathetic nervous system is responsible for the "fight or flight" response, and it is activated during times of stress or physical activity. The action of the cremaster muscle, which helps maintain testicular temperature, suggests that it is controlled by the sympathetic nervous system to respond to changes in the body's internal and external environment. Specifically, when the body is under stress, the sympathetic nervous system will cause the cremaster muscle to contract, drawing the testicles closer to the body and increasing their temperature. This is thought to help protect the sperm from damage due to changes in temperature. Conversely, when the body is at rest or in a relaxed state, the cremaster muscle relaxes, allowing the testicles to hang away from the body and decrease in temperature, which is optimal for sperm production.

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The claims about the origin of the euglenid chloroplast are best supported by the three-membrane structure of the envelope: it originated from the spontaneous assembly of organic molecules into a lipid bilayer inside a free-living prokaryote.

Thus, the correct answer is A.

Euglenids (Excаvаtа, Discobа, Euglenozoа, Euglenidа) is а group of free-living, single-celled flаgellаtes living in the аquаtic environments. The uniting аnd unique morphologicаl feаture of euglenids is the presence of а cell covering cаlled the pellicle.

The chloroplаsts of Euglenа hаve аrisen from the progressive reduction of endosymbiotic green аlgаe. The theory is supported by the presence of а third membrаne аround the chloroplаsts of Euglenа which is not endoplаsmic reticulum (ER) in origin аnd mаy be derived from the plаsmаlemmа of the originаl symbiont. In аddition, Euglenа is the only orgаnism in which chloroplаst loss cаn be induced experimentаlly. Dinoflаgellаte chloroplаsts аre аlso surrounded by three membrаnes, аnd it is proposed thаt they too evolved from symbiotic eucаryotic аlgаe.

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Answer:

Permeable rock that contains and transmits groundwater is called an Aquifer.

Bacteria are single-celled organisms having membrane-attached cell organelles instead of a true nucleus. The reason why bacteria may survive in harsh settings is because:

energy-generating enzymes

Endospores

tissue wall

Cyst

Bacteria have the following characteristics:

The primary property of the bacteria is their ability to develop a cyst, which protects them from harmful environmental elements.

For instance, the prokaryotic organism can survive in both hypertonic and hypotonic conditions because to its cell wall.

The bacteria also make endospores, which let them tolerate extremely high temperatures.

The bacteria create cold shock proteins that help them withstand freezing temperatures.

In order for bacteria to survive in harsh settings, protein synthesis, cyst development, and endospores are crucial.

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Answer:

In pharmacology, the term mechanism of action (MOA) refers to the specific biochemical interaction through which a drug substance produces its pharmacological effect. A mechanism of action usually includes mention of the specific molecular targets to which the drug binds, such as an enzyme or receptor.

Answer:

The empty plastic bottle floated on water. The bottle filled with water sank because the weight of empty plastic bottle is less than the weight of water displaced it but when the bottle is filled with water its weight becomes more than the weight of water displaced by it.

( please mark to brainliest)

Explanation:

adaptation sounds like having longer legs

lizards that had longer legs had more access to food

so

they had more chances to mate

making kids with longer legs