(choose multiple answers)

Select all the correct answers.
Scientists observed a rock stratum and discovered some fossils. The image shows the fossils they discovered. What can you interpret from the image?

an illustration showing layers rock with fossils embedded in some rock layers

The dinosaur and the mammoth existed after the trilobites.
The dinosaur and the devonian fish existed before the trilobites.
The trilobites and the devonian fish died before the dinosaur.
The trilobites and the devonian fish were born after the dinosaur.
The early mammoth is older than the trilobites.

Answer: However, most non-canonical genetic codes are inferred from DNA sequence alone, or occasionally DNA sequences and corresponding tRNAs. Because the code governs the translation of nucleotide to amino acid sequences, a code can in principle only be confirmed when both the gene and protein sequences are known

Explanation :DNA is considered a universal genetic code because every known living organism has genes made of DNA. ... Every living organism uses that same system. Basically, every three pieces of DNA becomes one amino acid.

DNA is able to mutate and change the structure and/or function of an organism. The correct option is B.

A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid.

All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.

All of the living things on Earth share the same genetic code, with a few small exceptions.

As a result, the 20 amino acids that make up your cells' codons are the same ones used by bacteria living in hydrothermal vents beneath the Pacific Ocean.

An organism's structure and/or function can change as a result of DNA mutation.

Thus, the correct option is B.

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Your question seems incomplete, the missing options are:

O The order of nucleotides in all plants, animals, bacteria and fungi, is the same.

O DNA is able to mutate and change the structure and/or function of an organism.

O Genetic codons in all organisms code for the same 20 amino acids.

O All organism replicate DNA by pairing of A-T and C-G.

Answer:

sorry i dont knwo

Joey of Koalas feed on their mother's milk before they can ingest pap.

Koalas are arboreal marsupials native to Australia. They are one of the mammals who give birth to the young ones who remain in their mother's lower belly.

It is a special substance produces by their mother that look like droppings and acts like probiotics.

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Answer:

none of the above

Explanation:

all can be found in soil

All of the mentioned like organic material, minerals and gases are components of soil.

Soil is the top most layer or loose surface material that cover the Earth. It consists of inorganic materials, minerals, gases and organic matter. Soil help to give plants the structural support they need and also can be their source of water and nutrients.

Therefore, All of the mentioned like organic material, gases, and minerals are components of soil.

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Answer:cell membrane

Explanation:

The structure most responsible for maintaining cell homeostasis is the cell membrane. The cell membrane is a thin, flexible barrier that protects the.

A lab report can be defined as a summary of the outcomes of an investigation (in this case homeostasis).

The purpose of research is to try to answer to a proposed explanation (hypothesis) about a particular issue from the real world.

In this case, our working hypothesis may be associated with the internal state of equilibrium (homeostasis) of organisms.

In conclusion, a lab report is a summary of the outcomes of an investigation (in this case homeostasis).

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Answer:

C

Explanation:

The dependent variable is always the outcome, data, or what is being measured in an experiment.

Answer:

Latitude is distance between earth and equator. The temperature decrease by  degree for every 100 meters latitude.

Explanation:

Latitude is the distance between earth and equator. The lower the latitude there will be higher temperature. When latitude increase the temperature began to fall. The equator is the potion of earth where sun rays directly strike which makes feel hotter. The temperature gets cooler when it approaches the poles. There can be slight variations in the climate throughout the year. The places away from latitude are colder and receives less sunlight.

Answer:

Archaea

Explanation:

Answer:

archaea

Explanation:

False.

In the United States, nuclear power generation does not provide a large percentage of the energy requirements. While nuclear power plays a significant role in the country's energy mix, it does not account for a large majority of the energy supply. As of my knowledge cutoff in September 2021, nuclear power contributed around 20% of the total electricity generation in the U.S. Other sources such as natural gas, coal, and renewable energy also make up a substantial portion of the energy mix. It's worth noting that energy production and consumption can vary over time due to changes in technology, policies, and energy demands. For the most up-to-date information, it is advisable to refer to current energy statistics and reports.

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Answer:

photosinthesis is the correct answer

Answer:

photosynthesis bouncing off the leaf

Explanation:

The way that the number of injuries per cat relate to the number of stories a cat falls is that:

High-rise syndrome describes the wounds that cats can get when they fall from a steep height, like an inside second-floor landing or balcony, out a window, down a fire escape, or when they fail to jump from a landing to a higher architectural element, like a ledge or window.

Cats may live comfortably in apartments and high-rise buildings, but we must make sure they have enough stimulation and playtime.

Therefore, According to Jim Usherwood of the Royal Veterinary College's structure and motion lab, stated that cats have long, flexible legs. "They have respectable muscle mass. Since they can jump rather well, the same muscles focus their efforts on slowing down rather than shattering bones."

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The biceps femoris, semitendinosus, and semimembranosus at the back of the thigh make up the D. Hamstring group.

The biceps femoris, semitendinosus, and semimembranosus muscles are part of the hamstring group located at the posterior (back) side of the thigh. Together, they form a distinct muscle group known as the hamstrings. These muscles are named based on their characteristics and attachments.

The biceps femoris muscle is the most lateral muscle of the hamstring group. It consists of a long head and a short head, which originate from different locations on the hip bone. The semitendinosus muscle lies in the middle, while the semimembranosus muscle is the most medial muscle of the group. Both the semitendinosus and semimembranosus muscles originate from the ischial tuberosity, a bony prominence in the pelvis.

The hamstrings have important functions in movement and stability. They are primarily responsible for flexing the knee joint, which involves bending the leg at the knee. During activities such as walking, running, or kicking, the hamstrings contract to bring the lower leg closer to the buttocks. This action is essential for propelling the body forward and generating force.

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Answer:

a. 25 N ---> Direction: Right

b. 40 N ---> Direction: Right

c. 10 N --->  Direction: Right

d. 90 N <--- Direction: Left

e. 40 N down Direction: Down

Hope this helps!

Since energy is used, the type of reaction photosynthesis is : ( A ) Endergonic reaction

Endergonic reaction is a type of reaction that requires a free energy to continue, since photosynthetic organisms such as green algae require the use of free energy ( solar photons ) to reduce CO₂ and oxidation of H₂O to oxygen.

Therefore we can conclude that photosynthesis is an example of an endergonic reaction.

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Answer:

Movement

Sensitivity

Respiration

Nutrition

Growth

Reproduction

Excretion

Explanation:

all living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life

Answer:

According to goggles it says,"Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location. Intensity is determined from effects on people, human structures, and the natural environment".

Explanation:

Hope this helps!!

The correct answer based on the calculation would be approximately 10.2% heterozygous individuals in the population. The correct answer is 10%.

To calculate the percentage of heterozygous individuals in a population in Hardy-Weinberg equilibrium, we can use the formula 2pq, where p represents the frequency of one allele (A) and q represents the frequency of the other allele (a).

Given that the frequency of allele A is 0.17 and the frequency of allele A is 0.3, we can calculate:

p = 0.17

q = 0.3

Now, we can substitute these values into the formula:

2pq = 2 \(\times\) 0.17 \(\times\) 0.3 = 0.102

Therefore, the percentage of heterozygous individuals in the population is 0.102 \(\times\) 100 = 10.2%.

Based on the given answer choices, none of them exactly match the calculated value.

The closest option is 1%, but it does not match the calculated percentage accurately. It's possible that there may be a typographical error or slight deviation in the provided answer choices.

The correct answer based on the calculation would be approximately 10.2% heterozygous individuals in the population.

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Question

The frequency of two alleles in a gene pool is 0.17 (A) and 0.3 (a.) assume that the population is in Hardy-Weinberg equilibrium calculate the percentage of heterozygous individuals in the population.

28% 10% 31% or 46%

Answer:

The correct answer is B. The environment remaining relatively stable is one reason a population's distribution of traits might experience little to no change over a long period of time. In a stable environment, the selective pressures acting upon a population may not change significantly, leading to little adaptive change in the population's traits. Conversely, a highly unstable environment with constantly changing selective pressures can lead to rapid evolutionary change in a population.

Explanation:

Answer:

An onion cell

Explanation:

Both are eukaryotic cell. An onion cell is a plant cell having cell wall but cheek cell is an animal cell lacking cell wall.

they are both cells but, Onion cell is a plant cell with a cell wall and a large vacuole. While the human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.

Answer:

The seasonal change in temperature . Temperature is an abiotic factor in an ecosystem

Explanation:

Answer:

Molecules stop moving at freezing point. Helium has the lowest boiling point. The molecules move very quickly at boiling point.

Explanation:

Heating up- molecules move faster. Cooling down- molecules move slower

Sexual arousal is a complex and multidimensional process involving various factors, including psychological, physiological, and environmental factors. The brain plays a significant role in mediating sexual arousal, including the activation of the reward pathway and the release of dopamine, which reinforces sexual behavior.

Hormones also play a significant role in sexual arousal, with testosterone being the primary hormone responsible for male sexual desire, while estrogen and progesterone mediate female sexual desire. Senses, such as touch, taste, smell, and hearing, also play a critical role in sexual arousal, with sensory input activating various brain regions and facilitating sexual desire and behavior.

Cultural variations in sexual arousal can also influence the sexual response, with different cultures having different beliefs, attitudes, and values regarding sexuality. For example, some cultures may view sexuality as a taboo topic, while others may celebrate sexuality and view it as a natural and healthy part of life.

These cultural differences can influence the way individuals experience sexual arousal and may lead to differences in sexual behavior and preferences.

Hormone Replacement Therapy (HRT) is a medical treatment that involves replacing the hormones that the body is no longer producing or producing in insufficient quantities. HRT is most commonly used to treat the symptoms of menopause in women, which can include hot flashes, night sweats, vaginal dryness, and mood swings.

HRT typically involves taking estrogen and progesterone supplements, either alone or in combination, to help alleviate these symptoms. HRT can also be used to treat other conditions, such as hypogonadism, where the body does not produce enough testosterone.

One model of sexual response that is particularly relevant is the Dual Control Model of Sexual Response, proposed by Janssen, Carpenter, and Graham in 2002. The Dual Control Model suggests that sexual arousal is controlled by two primary systems, the sexual excitation system (SES) and the sexual inhibition system (SIS).

The SES is responsible for promoting sexual arousal, while the SIS is responsible for inhibiting sexual arousal. Both of these systems are influenced by a variety of factors, including hormones, neurotransmitters, and psychological factors.

The Dual Control Model is a relevant theoretical model because it helps to explain why some individuals may experience sexual problems, such as erectile dysfunction or low libido. For example, if the SIS is overly active, it may inhibit sexual arousal, even in situations where the SES is being stimulated.

Similarly, if the SES is not active enough, it may not be able to overcome the inhibitory effects of the SIS. This model is also useful in helping individuals to understand their own sexual response and identify factors that may be contributing to sexual problems.

In conclusion, sexual arousal is a complex process that is influenced by a variety of factors, including the brain, hormones, senses, and cultural factors. Hormone Replacement Therapy is a medical treatment that can be used to alleviate symptoms associated with menopause and other hormonal imbalances.

The Dual Control Model of Sexual Response is a relevant theoretical model that helps to explain why some individuals may experience sexual problems and can be used to help individuals better understand their own sexual response.

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Answer:

The cells within living organisms have the ability to grow and reproduce through the production of new cells. In order to ensure that an exact copy of the DNA is assigned to the new cells, a process called mitosis takes place. When a new cell is needed, the DNA is copied and allocated equally to new cells; then the cell splits in half. While mitosis is a precise system for distributing DNA, it is very complex and includes many cell components that must work in concert. When any one of these intricate steps fails, the results can be adverse for the cell and the whole organism.

During mitosis, a cell divides into two identical cells referred to as daughter cells. In order for both cells to be fully functional and to be able to mature, they each need a complete set of DNA. To prevent the mutations and errors in the DNA, the process has to be extremely accurate. Usually the error rate for copying DNA is around 1-3 errors for every billion base pairs. To get this extremely exact method of copying, there are many checks that happen within the process. The DNA helix unwinds and the strands separate to allow the enzymes used in replication to do their work. If the DNA strand is found to be broken or damaged, the entire process stops until it is repaired.  

This process has to occur before mitosis because once mitosis starts, the cell is already preparing to divide. Soon after it begins, microtubules are forming in order to separate the newly replicated chromosomes. The DNA replication process not only has to be completed before this point, but the DNA has to be wound back up and the two copies of the same chromosome (now connected at a point in the chromosome) have to get in position so that they can be pulled apart, each destined for its new cell.

Explanation:

The differenece between the control group and the experimental one, is that the first one does not receive the treatment, while the second one does. In this example, the Control group are the 40 people that received the placebo.

An experiment must have at least a control and an experimental group.

The control group is used to identify if, under the same environmental conditions, there are factors other than the treatment itself affecting the results of the study.

The experimental group is the one that receives the experimental procedure (in this case, the new drug) with changes in the independent variable.

The control group must be selected from the same population as the experimental group.

Data from an experimental group are compared with the data from a control group.

These two groups are identical in all aspects except for the independent variable that the researcher changes in the experimental group to observe how they affect the individuals.

In the exposed example,

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Answer:

A dichotomous key is a tool created by scientists to help scientists and laypeople identify objects and organisms.

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