Select the correct answer from each drop-down menu.Blake is writing an article on Cnidarians. Help her complete the sentences.All Cnidarians are ( Choose from drop box)symmetrical and live in marine habitats. Cnidarians have a common opening used for feeding as well as expelling waste. They absorb oxygen from the water through the means of (Choose from drop box).1. radially or bilaterally or spherically2. diffusion or respiration or inhalation.

Answer:

Tiktaalik is a monospecific genus of extinct sarcopterygian from the Late Devonian Period, about 375 Mya, having many features akin to those of tetrapods.

Explanation:

Interphase is the initial stage of both mitosis and meiosis. The function of the interphase is to allow the cell to grow, duplicate its DNA, and carry out cellular activities. The next stages of mitosis and meiosis occur following interphase. Hence, if interphase didn't occur first, the cells would have half the amount of DNA.Interp

hase is a cell cycle phase in which cells prepare for cell division by performing critical growth and replication processes. The DNA is replicated during the S (synthesis) phase of interphase in preparation for cell division. DNA replication occurs only in interphase, and cells must pass through interphase before proceeding to the subsequent stage of the cell cycle.

The amount of DNA in the new cells would be halved if interphase did not occur first before meiosis or mitosis. It's worth noting that interphase is a crucial stage that facilitates chromosome replication and increases the cell's overall size and mass.

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Answer:

The process represented is photosynthesis and the primary source of

energy for the process is the Sun.

Explanation:

The given diagram shows the process known as Photosynthesis and the primary source of energy for this process is the Sun. Thus, the correct option is D.

Photosynthesis is a process by which plants make their food. Plants and other organisms convert light energy into chemical energy by this process that later can be used to fuel the organism's activities.

In this process, plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar. Plants transform carbon dioxide into oxygen with the help of sunlight and animals need oxygen to survive. Plants also fix carbon dioxide by checks the air quality.

In plants, photosynthesis takes place in chloroplasts, which contain a pigment called the chlorophyll. Chloroplasts are surrounded by double membrane and contain a third inner membrane, called the thylakoid, which forms long folds within the organelle.

Therefore, correct option is D.

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Answer:

Energy in an ecosystem: is part of an open system, is recycled and reused, is transferred through the food chain and is lost as heat.

Answer:

6 is D

7 is C

8 is D

9 is C

10 is B

Explanation:

Following are the answers:

d. water level and salinity

b. There is no sunlight

C. coastal boundary

a. melting ice

b. shallow, coastal waters

An estuary is a body of water where a freshwater river or stream meets the ocean. The mixing of these two bodies of water creates a unique environment that supports a diverse range of plant and animal life. Estuaries are important for many different species of fish and shellfish, as well as for waterfowl and other migratory birds.

They also serve as important breeding and feeding grounds for many species. Human activities such as agriculture, urbanization, and pollution can have a negative impact on estuaries and the wildlife that depends on them.

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Psychology is best described as a science that studies behavior and mental processes, the correct answer is (d).

Psychologists use scientific methods to study a wide range of phenomena related to human and animal behavior and mental processes. This includes studying observable behaviors, as well as internal mental processes such as thoughts, feelings, and perceptions.

Psychologists also explore how these behaviors and mental processes are influenced by various factors such as genetics, environment, culture, and individual experiences. Psychology is a multifaceted field that encompasses various subfields, including social psychology, developmental psychology, cognitive psychology, clinical psychology, and many others, option (d) is correct.

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Answer: How can limiting factor affect population growth?

Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off

Explanation:

C. Canola Oil

According to the American Medical Association, Canola oil has the lowest saturated fat content among the options given. Saturated fats can raise LDL cholesterol in the blood which can increase the risk of heart disease. So, if Roy wants to reduce his intake of saturated fats, it would be best for him to choose Canola oil as it has the lowest saturated fat content among the options. Canola oil is high in monounsaturated fats and low in saturated fats, making it a healthier option than other oils high in saturated fats, such as coconut oil, palm oil, and peanut oil. Soybean oil, olive oil, sunflower oil, and safflower oil also have relatively lower saturated fat content compared to the other options, but canola oil has the lowest.

Answer:

Carbon dioxide (CO2)

Explanation:

Carbon dioxide is one of the most common atmospheric gases. It is naturally produced into the atmosphere in the following ways:

- via cellular respiration in organisms

- forest fires

- volcanic eruption

- decomposition of dead matter (plants and animals)

The release of CO2 gas into the atmosphere by one or all of the above listed ways poses a great threat to the environment as it causes a type of pollution. CO2 causes pollution by being a greenhouse gas i.e gases capable of trapping heat. This results or contributes to global warming in the atmosphere.

Antiseptics and disinfectants act by destroying the integrity of the cell membranes of microorganisms.

Antiseptics are chemical substances which are used to kill microorganisms that cause infections.

Disinfectants are also chemical substances which act to remove or destroy infectious organisms.

The mode of action of antiseptics and disinfectants is to destroy the integrity of the cell man of infectious agents so that the cellular contents leak out and the cells die.

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Answer:

Follows are the solution to this question:

Explanation:

When they look at the issue, in particular, they would be overlooking several things of solar system formation. In normal cases, dust and cloud warming would not trigger the surface to extend because of change throughout the movement of particles.  

This was a dense layer of dark cloud or dust only at the initial phases of a universe. The stubborn event then happened. It event may either be a close-up light explosion or even a various energy form. The above power stream from the independent factor caused the dust storm to expand. That gravity pull of the particles moved all of the substances to a center of a cloud. because as layer compressed. Because as the cloud began to expand, its rotational speeds also decreased to preserve the surface energy. That surplus electricity was transformed into heat and induced the core aspect of a cloud to increase heat.

Its rise in temperatures was fairly large, but again not enough to restrict the collapse. Therefore the failure continued and the sun moved to the center of a whole system. Its excessive energy produced in the process was expended even before the formation of a star to overcome a mutual repugnance of a charged particles and also to fuse them just to shape helium and then the entire period of nuclear fusion began.

Answer:

It is suggested that some type of “shock” overcomes had pressure at just the right time.

Explanation:

Sharks have gills with which they breathe oxygen and expel carbon dioxide.

The gills are organs that have a thin epithelium and in their interior blood vessels that transport oxygen and CO2. Because the epithelium is thin, it allows gas exchange between the seawater and the blood in the blood vessels of the gill. This is through a type of passive transport called simple diffusion (Oxygen and CO2 pass through the membranes without the help of any protein and without using energy in the form of ATP).

Therefore, the gas exchange in the gill would look something like this:

Answer:

rRNA - Ribosomal RNA, a molecular component of a ribosome, the cell's essential protein factory. Strictly speaking, ribosomal RNA (rRNA) does not make proteins. It makes polypeptides (assemblies of amino acids) that go to make up proteins

tRNA - Transfer ribonucleic acid (tRNA) is a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein. tRNAs function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule.

Explanation:

Answer:

3. Don Walsh

4. 50%

Answer:

3- Don Walsh

4- 50%

hope this helps

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Soil nutrients are important to photosynthesis because they help with chlorophyll formation.

The statement "There are all macronutrients" is true about these types of molecules

Macronutrients, essential components required by the body in substantial quantities, furnish energy, foster tissue growth and mending, and govern physiological processes. The trio of primary macronutrients encompasses carbohydrates, protein, and fat.

The precise magnitude of macronutrient requisites relies on factors such as age, gender, physical exertion, and overall well-being of an individual.

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Complete question:

Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?

a. There are all  macronutrients

b. Sugar makes one fat

c. Sugar is the only thing that makes you fat

Answer:

Arrow #1

Explanation:

Arrow #1 is correct. This arrow represents the tree intaking a substance. Trees intake carbon and use it during photosynthesis, the process which provides plants with food.

Arrow #2 is incorrect. The arrow represents something leaving the animal. While animals expel carbon, it is not being cycled through photosynthesis. Animals do not undergo photosynthesis; rather, they use carbon for cellular respiration.

Arrows #3 and #4 are incorrect. These arrows represent something leaving the ground. While carbon is released from soil, the ground does not undergo photosynthesis.

Arrow #5 is incorrect. This arrow represents something leaving the tree. Plants do not expel carbon, they absorb it. This arrow most likely represents oxygen being expelled as a byproduct of photosynthesis.

The observations that can be made is that each cell is made up of a cell membrane that distinguishes it from the other cells and there are components within the cells that picks stains more that others.

A cell is defined as the structural and functional unit if the body which is made up of membrane bound organelles that functions together for the vitality of the whole cell.

The structures that can be found within the cell include the following:

From the stained stained and the unstained slides is can be observed that each cell is made up of a cell membrane that distinguishes it from the other cells and there are components within the cells that picks stains more that others.

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Both of the answers are little t because T and t make Tt and t and t make tt so both are t

Answer:

D

Explanation:

Starch is formed when many disaccharide molecules are combined.

Answer:

True

Explanation:

Solar panels absorb the rays from the sun and convert them into energy more or less

The density of the cube is 4 g/cm³

The density of the cube is greater than the density of water, so, the cube will sink in water.

Density (D) = Mass (M) / Volume (V)

Given that the mass of the cube is 32 g, and each side of the cube measures 2 cm.

The volume of the cube will be:

Volume (V) = (side)³

V = 2 cm * 2 cm * 2 cm = 8 cm³

Solving for density:

D = 32 g / 8 cm³ = 4 g/cm³

The density of water is approximately 1 g/cm³.

Since the density of the cube (4 g/cm³) is greater than the density of water (1 g/cm³), the cube will sink in water.

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Viruses spread by infecting cells and replicating within them. There are several ways that viruses can spread from one person to another:

Direct contact: Viruses can be spread through direct contact with an infected person, such as through shaking hands or hugging.

Indirect contact: Viruses can also be spread through indirect contact, such as by touching a surface or object that has been contaminated with the virus and then touching one's face, mouth, or eyes.

Respiratory droplets: Some viruses, such as the virus that causes COVID-19, are spread through respiratory droplets that are produced when an infected person talks, coughs, or sneezes. These droplets can land in the mouths or noses of people who are nearby or be inhaled into the lungs.

Sexual contact: Some viruses, such as HIV and herpes, are spread through sexual contact.

Overall, viruses can spread through a variety of means, and the specific method of transmission can depend on the specific virus and the mode of infection.

The charge of the electrical impulses transmitted from stimuli exists extremely positively. The net charge of such electrical impulses exists positive because of the positively charged ions of Na+.

A nerve impulse that carries an electrical signal and travels throughout the body via the axon terminal is known as an electrical impulse.

The potential difference is -80mV in the resting potential state and changes to +40mV when an electrical impulse is reached. An electrical imbalance between sodium and potassium input and outflow is the cause of this.

Electrical impulses sent by stimuli have a very positive charge. Due to the positively charged Na+ ions, the net charge of such electrical impulses is positive.

Therefore, the correct answer is option A. Neither positive nor negative.

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Answer: Negative Charge

Explanation: You have receptors in every part of your body to help you process stimuli. You have ears to hear, eyes to see, and hands to feel and touch. Thes are all receptors.

If the stimulus is strong enough, it will get sent down the nerve cell to the brain, where the stimuli will be processed very quickly and the brain will respond, almost instantly in some cases. The stimuli are sent as electrical signals, or NEGATIVE CHARGES.

Answer:

Photosynthesis always involve with the sun

Explanation:

The sun is the food for the plants.  Without sun, plants can't live.