I NEED HELP PLZZZZZ!!!!

Sea lion eat using whiskers.

Therefore, option D. is correct.

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Answer:

lol here!

Explanation:

The human central nervous system contains the brain, spinal cord, and retina. The peripheral nervous system consists of sensory neurons, clusters of neurons called ganglia, and nerves connecting them to each other and to the central nervous system.

also

The nervous system consists of two parts, shown in Figure 1: The central nervous system (CNS) consists of the brain and spinal cord. The peripheral nervous system (PNS) consists of nerves outside the CNS.

I hope this helps, it's late so sorry I couldn't write an explanation. Just explain this picture in words.

Abiotic factors that affect plant growth are light, temperature, water, humidity and nutrition.

Abiotic factors are non-living parts of the environment that have a great influence on living organisms. They determine things like how tall trees grow, where animals and plants are found, and why birds migrate. Important abiotic factors are water, sunlight, oxygen, soil, and temperature.

Abiotic factors affect the ability of organisms to survive and reproduce and also restrict the growth of populations. They also help in determining the types and numbers of organisms that can exist within an environment.

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General category: Biology.

Sub-category: Evolution.

Topic: natural selection

Introduction:

According to Darwin's theory of evolution, those members of the population with less adapted characteristics (as determined by their environment) are more likely to die. So those members with better-adapted characteristics are more likely to survive.

The sentence "species are more advanced due to evolution" or equivalently "evolution always leads to more advanced species" is false.

According to the theory of evolution, organisms that are more adapted to certain environments survive and pass their genes from generation to generation. However, when environmental conditions change, these characteristics may not be advantageous for survival in the space where these species are found, and they may die.

An example of this is polar bears. Their fur is white, which gives them an advantage when hunting their prey since these bears can go unnoticed in the snow, which is white. However, due to global warming, this feature is no longer an advantage in certain regions where the ice has melted excessively and prey can more easily see this great hunter. However, this does not imply that the polar bear is more advanced or less advanced. It implies that the conditions of the environment influence the conditions of survival and that evolution is guided by random or provoked changes in the environment of organisms.

We can conclude that the correct answer is:

The sentence "evolution always leads to more advanced species" is false since, according to the theory of evolution, organisms that are more adapted to certain environments survive and pass their genes from generation to generation. However, when environmental conditions change, these characteristics may not be advantageous for survival in the space where these species are found, and they may die. this does not imply that the organisms in a population are more advanced or less advanced. It implies that the conditions of the environment influence the conditions of survival and that evolution is guided by random or provoked changes in the environment of organisms.

Organisms cannot choose to have mutations that would enable them to live more successfully in their environment because mutations are random events.

Mutations are random changes in an organism's DNA sequence that occur spontaneously and are not under the organism's control. An organism cannot choose to have a particular mutation because mutations are not a conscious or voluntary process.

Charles Darwin gathered evidence for evolution during his voyage to the Galapagos Islands in the 19th century.

While on the islands, Darwin observed that each island had its own unique set of plant and animal species that had adapted to their specific environment. Darwin also noticed that the finches on each island had different beak shapes and sizes that were adapted to the specific food sources available on that island.

Darwin concluded that these observations were evidence of evolution through natural selection, where organisms with advantageous traits are more likely to survive and pass on their genes to their offspring. Darwin's observations and conclusions laid the foundation for the theory of evolution, which remains a fundamental concept in biology today.

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Complete question:

Explain why an organism cannot choose to have a mutation that would enable it to live more successfully in its environment. For example, could birds choose to have larger beaks? Explain your reasoning.

The fossil record provides evidence that many organisms have lived during the history of Earth. According to Charles Darwin, living species also provide evidence for evolution. Explain how Darwin gathered his evidence in the Galapagos Islands, a chain of islands located in the Pacific Ocean, west of South America.

The particles of matter are in constant motion. The correct option is B

Anything with mass and spatial requirements is considered matter.

There are three states of matter:

Temperature and pressure variations can cause them to change their condition. Atoms are the smallest units of matter that yet have the characteristics of an element, and they make up all matter. These atoms come together to create molecules, which then give rise to the many materials that make up matter.

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Answer:

A

Explanation:

Ice wedging and root action are examples of- a. mechanical weathering

Answer:

The answer is "\(\bold{4.0 \times 10^7 \ \frac{CFU}{mL}}\)"

Explanation:

The very first thing we must do is figure out where the plate was really a countable sheet.  By default, at least 30 and 300 colonists must have been on a computable plate. It is deemed incorrect beyond and below this range.  We also will pick the studded 0.25 size, leading towards 72 and 65 colonies. Now calculate the double average.

\(\to 72+ \frac{65}{2} = 68.5\)

We need to calculate its dilution factor for both the second item. Increase for all of this  

All of the dilutions you also made:

\(\to \frac{7}{17} \times \frac{1}{60} \times \frac{1}{1000} \\\\= \frac{7}{1020000}\\\\= 6.8 \times 10^{-6}\)

\(\to \frac{14 \ ml \ soup}{14 \ ml} + 20\ mL\\\\\)

\(\to \frac{CFU}{mL} = \frac{Colonial \ number}{Dilution \ Factor \times Volume \ plated}\\\\\)

            \(= \frac{68.5}{6.8 \times 10^{-6} \times 0.25 \ mL} \\\\ = 4.0 \times 10^7\)

Answer:

Cool air masses come into contact left with warm air masses

Answer:

Calcium; voltage-gated calcium channels

Explanation:

Voltage-dependent calcium channels represent a group of voltage-gated ion channels and they are recognized to be primary mediators of calcium entry induced by depolarization. These channels are localized in the membrane of excitable cells such as, for example, neuron cells. The potential difference across the membrane of neuron cells without physiological activity is named resting membrane potential. When there is no action potential, voltage-dependent calcium channels are normally closed.

Answer: Lower levels of dissolved oxygen

Explanation:

it lowers the level of dissolved oxygen causing the molecules are moving faster * do to matter*

Answer: The dew point is

Explanation:

A point is a temperature at which the hair becomes 100 percent saturated. The lower the dew point the drier the air. Causes water droplets and fog.

Answer:

1.) the number of proton = number of electron = atomic number

2.) mass number = number of protons + number of neutrons

3.) number of neutron = atomic numbet - mass number

Explanation:

example:CARBON

atomic number - 6

mass number - 12

protons - 6

electrons - 6

neutrons - 6

Answer:

Oxygen and hydrogen ions are also formed from the splitting of water. To replace the electron in the reaction center, a molecule of water is split. This splitting releases an electron and results in the formation of oxygen (O2) and hydrogen ions (H+) in the thylakoid space.

Another word for prokaryote is : being, procaryote.

Another name for prokaryote is: Archaea and Bacteria .

Exposure to ultraviolet (UV) rays is thought to be the major risk factor for most skin cancers. Sunlight is the main source of UV rays. Tanning beds are another source of UV rays.

Less energy is contained in UVB photons compared to UVA rays. These are the primary rays responsible for sunburns and have the ability to directly harm skin cells' DNA. The majority of skin cancers are believed to be caused by them. Overexposure to UV light is the primary cause of most skin malignancies. Sunlight, tanning beds, & sunlamps all emit UV rays, an invisible form of radiation. Skin cells can suffer harm from UV radiation. Our skin cells' DNA can be harmed by excessive Uv rays from the sun and sunbeds. Our cells receive their instructions from DNA.

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Answer:

The per capita consumption of energy has increased significantly over the last 50-75 years. This is due to a number of factors, including population growth, increased industrialization, and the use of more energy-intensive technologies. For example, the average American household now consumes more than three times the amount of energy it did in 1950, and the average global citizen now consumes more than twice the amount of energy they did in 1975.

Explanation:

Answer:

Both studies support the concept that species operate within a narrow optimum temperature range and are coupled to enzymatic activity.

Explanation:

The studies shown in the question above started from the same concept to establish the scientific experiment and had the same objective related to the investigation as temperature changes in the environment where these organisms live influences the enzymatic activity and, therefore, the functioning of their organism, being able to including modifying the environment around them. In summary, we can say that the studies sought to support the concept that species operate within a narrow range of optimal temperature and are coupled with enzymatic activity.

If the population exceeds the resources on island,three thing that affects the most is-

0. Carrying capacity of environment-Which is the maximum population size of species that can be sustained by that environment.It is imbalance when the number of deaths is equal to number of birth.

1. Irreversible resource consumption-If the population exceeds very much,than loss of resources, both renewable and non-renewable occurs which is irreversible.

2. Environmental changes-The reckless use of resources by the enhanced population result in environmental changes,imbalance between population,climate,flora and fauna.

Answer:

The options are not complete because the answer is neither i or ii

spleen is a secondary lymphoid organ

the correct answer is Bone marrow and thymus

Answer:

The correct answer is - Ping pong Mechanism.

Explanation:

The ping pong mechanism of the enzyme is a non-sequential mechanism of two-substrate enzymatic reaction in which product is produced after the binding with the first substrate.

After the produced form due to the binding of the enzyme to the first substrate, it changes into a temporary form that binds with the second substrate and completes the reaction.

Thus, The correct answer is - Ping pong Mechanism.

Amelia should recommend that Patrice study "Power poses" (option d) to best help build confidence before future public speaking occurrences.

Amelia should recommend that Patrice study "Power poses" as they are a proven method to boost confidence in public speaking. Power poses involve adopting postures that convey confidence and authority, which can have a positive psychological impact on the individual.

By practicing power poses before a presentation, Patrice can feel more self-assured and in control, leading to a better performance in front of her colleagues.

Although phrasing, mirroring, and haptics can be helpful in certain situations, power poses specifically target confidence-building and are most relevant to Patrice's concerns about her public speaking abilities.

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Two organisms are hypotheses if they share more taxonomic classification levels which f the following statements best distinguishes hyptoheses from theories in science.

There are three main hypothesis based on the research are Null Hypothesis, Nondirectional Hypothesis, Directional Hypothesis and the  alternative hypothesis states that referres to relationship between the two variables that is being effected with each other.

Hypotheses are important in biology because it is used to create breakthroughs in knowledge and support scientific research. Thus it is a flow in the formulation of a hypothesis may cause a flaw in the design of an entire experiment.

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Answer:

the answer is number 2. the mantle contains two different layers

Explanation:

The core is way hotter then any other layer.

The core produces magnetic fields.

No one would be able to come back alive for a rock sample from the mantle.

Answer: B. Most owls have evolved to hunt at night, and most hawks hunt during the day so that competition is reduced.

Explanation: Hawks hunt in the day, owls hunt in the night. Despite both predators having similar diets, because they hunt at different times the competition is reduced, this is the outcome of them changing their niches to have opposite hunting times.

Answer:

Shower rather than take a bath, and set a timer to keep your shower under 5 minutes.

Explanation:

Only run full loads of laundry and dishes.

Fix leaky taps to reduce water loss.

Use a watering can rather than hose to water your plants.

Install a water butt to catch rain water.

Recycle whenever possible.

Answer:

Explanation:

Combustion of fossil fuels: Burning coal, oil, and natural gas to produce energy releases carbon dioxide (CO2) into the atmosphere.

Other processes that can release carbon into the air include:

Deforestation: Trees absorb carbon dioxide through photosynthesis, and cutting down forests can release the carbon stored in the trees and soil.

Volcanic activity: Volcanic eruptions can release carbon dioxide and other greenhouse gases into the atmosphere.

Decomposition: When organic matter such as plants, animals, and other living organisms decompose, they release carbon dioxide and other gases into the atmosphere.

Ocean outgassing: The ocean absorbs and releases carbon dioxide as part of its natural cycles, and some of this carbon can be released into the air.

It's important to note that while some of these processes are natural, human activities such as burning fossil fuels and deforestation have significantly increased the amount of carbon dioxide in the atmosphere, leading to climate change.

Weeds develop resistance to herbicides through evolution, largely as a result of selection driven by repeated application of the same herbicide or products with the same mode of action.

Describe the process by which natural selection results in herbicide resistance using the steps below.

Step 1:

The crop is treated with glycerophosphate.

Describe the process by which natural selection results in herbicide resistance using the steps below.

Step 2:

Some weeds die when they are unable to produce the amino acids they need to survive because glycerophosphate prevents the enzyme EPSP synthase from being produced. Additional copies of the EPSP synthase gene are found in other weeds, allowing them to produce sufficient amino acids for survival.

Describe the process by which natural selection results in herbicide resistance using the steps below.

Step 3:

The offspring of weeds that have additional copies of the EPSP synthase gene also have copies of the EPSP synthase gene and are able to tolerate glycerophosphate.

Describe the process by which natural selection results in herbicide resistance using the steps below.

Step 4:

Glycerophosphate is now resistant to a lot of weeds in a region. To make up for the extra copies of genes that code for EPSP synthase, we now need more glycerophosphate.

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DNA is being denature with high temperature application. DNA's hydrogen bonds are disrupted by heat. The DNA flexibility is being boosted by heat thereby resulting to a condense folding of DNA chain (double-stranded). Due to this effect of destabilizing the DNA, the DNA duplex is entirely detached. Although DNA replication also requires heating, high temperatures (melting point) will greatly impact its replication. DNA extracted will give increase yield at lower temperature than in high temperature. Enzymes involved in DNA replication are affected by temperature. It can be denatured at high temperature and its actions will slow down at low temperature.