Traits such as height or horn length are sensitive to both genetic inputs and environment stimuli. This potential for variation is known as:

jelly fish.............

The prediction that can be made about the population of birds when DDT is present in the ecosystem is option  C. The population of birds will decrease when there is a higher concentration of DDT because thin eggshells will break more easily than normal eggshells during incubation.

DDT is a pesticide that was widely used in the United States from 1943 to the 1970s. One of the environmental issues caused by DDT is its effect on birds in the ecosystems where the pesticide was applied. DDT causes thinning of the bird's eggshells, which can lead to decreased hatching success and population declines of bird species.

DDT works by disrupting the calcium metabolism in birds, which causes a decrease in the amount of calcium available for the formation of eggshells.

Therefore, The shells of eggs laid by birds exposed to DDT are thinner and weaker than normal, making them more likely to break during the incubation period. This reduction in the number of birds hatching and surviving, ultimately leads to a decrease in the population of birds in the ecosystem.

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Answer:

The population of birds will decrease when there is a higher concentration of DDT because thin eggshells will break more easily than normal eggshells during incubation.

Explanation:

I just know :) (;

Answer:

nope c

Explanation:

Answer:t hey cannot be absorbed by diffusion , because the minerals are in very low concentration. Instead, active transport is used. ... Because active transport moves ions against the concentration gradient into the root hair cells, energy is needed.

Explanation:

Answer:

Explanation:

23. C

24. A

(a) Mean number of donors who have type O negative blood Mean of a population (μ) is found by adding up all the values and dividing by the number of values. So, the formula for calculating the mean of a population is:

(b) Standard deviation of the number of donors who have type O negative blood:Standard deviation is a measure of how much the data in a set is spread out. It is given by the formula:

O negative blood is the type most commonly used for transfusions when the patient's blood type is unknown. The O negative group is most often used in emergency cases, trauma, surgery, because this type is universal. However, O negative blood group can only receive O negative blood. O blood group is divided into two types Blood type O that has the rhesus antigen is called blood type O positive. Blood type O that does not have the rhesus antigen is called blood type O negative.

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Answer:

The correct answer is - habitat and niche.

Explanation:

The spider monkey gets a place to live in rain, and fruit to eat, and also protection from predators like the jaguar and large snakes from the big forest trees. All these characteristics are the characteristics of the habitat of an organism.

It also explains the position of the spider monkey in the ecosystem and explains how it interact in the ecosystem which is the characteristic of the niche of an organism.

A eukaryotic transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of approximately 400 amino acids in mRNA, there are a sizable number of noncoding nucleotide regions.

The complicated process of eukaryotic transcription is used by eukaryotic cells to transform the genetic material found in DNA into copies of transportable complementary RNA. Eukaryotic and prokaryotic cells are both capable of transcription from genes.

Because the other nucleotides are introns that are deleted from mRNA after transcription and are not used in the protein, a transcription unit that is 8,000 nucleotides long may only use 1,200 of those nucleotides to code for a protein that contains 400 amino acids.

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When an electrical current is given at the d. neuromotor junction, the nerve stimulated will cause the skeletal muscle to contract.

The neuromotor junction, also known as the neuromuscular junction, is the point of connection between a motor neuron and a skeletal muscle fiber. It is responsible for transmitting signals from the nervous system to the muscle, resulting in muscle contraction.

When an electrical current is applied at the neuromotor junction, it stimulates the nerve associated with the muscle fiber. This electrical stimulation triggers the release of neurotransmitters, such as acetylcholine, from the axon terminal of the motor neuron.

The released neurotransmitters bind to receptors on the muscle fiber, initiating a series of events that lead to muscle contraction. This process involves the generation and propagation of action potentials along the muscle fiber, which ultimately causes the muscle fibers to contract and produce movement.

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Answer:

is plant growth affected by temperature

Explanation:

Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).

A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.

Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.

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The characteristics of animals include all of the following except cell walls made of chitin.

Animals are classified as multicellular, eukaryotic, heterotrophic, and without cell walls. Following are the characteristics of animals: Multicellular organisms , Animals are eukaryotic., Heterotrophic organisms, Cell walls aren't present , Blastula stage of development.

A rigid cell wall encloses a plant cell. Its primary function is to safeguard and maintain the cell's shape. The cell wall is a rigid, polysaccharide structure made up of hemicellulose, pectin, and cellulose, among other substances. It is the component that offers a plant cell its rigidity and strength, allowing it to support the weight of the plant's stem and leaves. The cell wall provides a rigid, protective layer that prevents water loss, protects against pathogens, and contributes to the development of plants, making them more adaptable to their surroundings.

Therefore, A cell wall made of chitin isn't one of the characteristics of animals .

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The keys are:

1. I. Fish with bones

II. Fish without bones

2. I. Fish with flat bodies

II. Fish without flat bodies

3. I. Fish with dark bodies

II. Fish without dark bodies.

4. I. Fish with scales

II. Fish without scales

Fish are gill-bearing, aquatic, craniate creatures that lack digitized limbs. The live hagfish, lampreys, cartilaginous and bony fish, as well as numerous extinct related groups, are included in this concept.

Fish can be divided into three primary categories: cartilaginous fish (Osteichthyes), jawless fish (Agnatha), and bony fish (Osteichthyes).

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A pseudoscience can be defined as one which cannot use scientific methods.

Therefore they are different from actual science.The problem with pseudoscience comes when we can't perform experiments to test our hypothesis.

The opinions of our peers are really important for us, and this also applies to science.

Another example of pseudoscience can be tarot reading or numerology as it doesn't provide any scientific evidence nor proves our hypothesis by some experiments.Being in places away from large human populations is really important to recycle in order to not contaminate nor affect the near biodiversity.

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Peanut butter sandwich eggs are the combination provides an example of protein complementation.

The most effective technique for a vegetarian diet to contain all 9 amino acids is through protein complementation. When two plant proteins are combined (for instance, grains and legumes), all nine of the required amino acids for your body are obtained.

It's not necessary to complement proteins at the same meal. You may make up for the methionine you missed out on at lunch if you ate beans for lunch and later had some raw almonds as a snack.

If properly planned, a vegetarian diet can give you all the vitamins, minerals, and amino acids your body requires.

Therefore, Peanut butter sandwich eggs are the combination provides an example of protein complementation.

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Answer:

try moving the circles into the empty ones displaying the damage

Explanation:

beats me i'm just trying to help

the answer to this is you have to show how sound waves get propagated from the cymbal to the ear.

when cymbal is hit(doesn't matter the force used to hit it) the energy dissipates and creates circular waves just like when a stone hits a pond.

A. I recommend drawing the cymbal dissipating circular wave from the energy of the hit.

B. as the circular wave propagates it creates compression and rarefactions. as sound wave reaches the air it displaces the air particle and if it happens to to several nearby air particles it creates compressions( lines that look like ||||) where there's high pressure a typical restoring force will cause the particle to move back to their original positiin creating low pressure region(| | |).

I think that's what you should draw.

C. when sound is received it comes with the compressions and rarefactions (||||| | | | ||||) which are high pressure and low pressure respectively. As high pressure reaches the eardrum it pushes it inwards and as the low pressure comes it pushes the eardrum outwards causing it to vibrate setting a vibrational motion. since the eardrum is attached to the bones of the middle ear, as the bones begin to vibrate then the sound wave-pressure wave-mechanical vibrations in the bones.

the vibrations are then transmitted to the fluid in the inner ear where they are converted to electric impulses and transmitted to the brain to be interpreted.

if the sound waves come more frequently then the eardrum vibrates more frequently and it can be interpreted as high pitch sound and if the intensity of the sound wave is high it is characterized by air particles with high amplitude and produce a forceful vibration in the eardrum and the brain will perceive it to be a high sound.

that's all I got hope it helps

By controlling prey numbers and preventing overgrazing or overpopulation, predators play an important part in preserving environmental equilibrium.

Depending on the habitat at hand, the precise prey species may change. For instance, herbivorous animals like deer, rabbits, or gazelles may become prey for carnivorous predators like lions, wolves, or cheetahs in terrestrial habitats.

In aquatic habitats, bigger predators like sharks or killer whales may feed on smaller fish. As an illustration, lions on savannahs, wolves in woods, eagles in the sky, and sharks in the water are instances of context-dependent predator species.

Relationships between predators and prey are intertwined. In order to affect the dynamics of their target populations, predators use selection pressure. Predators assist in controlling prey populations by eliminating individuals and avoiding overgrazing or overpopulation of particular species. Other species in the environment may then suffer indirect consequences as a result of this.

On the other hand, predators' capacity to survive and reproduce depends on how easy it is for them to find and catch prey. Predators may exhibit changing behavior or even population decreases as a direct result of changes in the populations of their prey. In their fight for few resources, predators may become more competitive as prey populations decline.

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Answer:

Option B (Attachment → Penetration → Biosynthesis → Maturation → Lysis) correctly lists the steps of viral replication in the correct order.

Explanation:

The steps are as follows:

1. Attachment: The virus attaches to the surface of a host cell. This attachment is typically mediated by specific viral surface proteins binding to receptors on the host cell.

2. Penetration: The virus enters the host cell, either by fusing its viral envelope with the cell membrane or by being engulfed and enclosed within a vesicle through endocytosis.

3. Biosynthesis: Once inside the host cell, the viral genetic material is released and replicated, and viral proteins are synthesized. The host cell's machinery is exploited to produce viral components.

4. Maturation: The newly synthesized viral components, including genetic material and viral proteins, are assembled to form complete viral particles.

5. Lysis: The host cell is lysed, or ruptured, releasing the newly formed viral particles, which can then go on to infect other cells.

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You have found a mammoth tusk buried in the tundra of the Arctic. Even though only 25% of the carbon-14 in this fossil is still present, it indicates that the animal was alive 11,460 years ago.

When a neutron interacts with a nitrogen atom, it captures the neutron and releases the proton, transforming nitrogen into the unstable isotope of carbon C-14 with fourteen nucleons (6 protons and 8 neutrons). As carbon-14 breaks down and turns back into nitrogen, beta particles are released.

With a nucleus made up of 6 protons and 8 neutrons, carbon-14, often known as 14C or radiocarbon, is a radioactive isotope of the element carbon. The radiocarbon dating technique was developed by Willard Libby and colleagues (1949) to date samples from anthropology, geology, and hydrogeology based on their presence in organic components.

5,730 years make up carbon-14's half-life.

In two half-lives, the amount of carbon-14 in a sample will drop to one-fourth (1/2 x 12 = 1/4). The animal must have been alive 2 x 5,730 = 11,460 years ago because the half-life of carbon-14 is 5,730 years.

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Answer:

This is because vestigial parts are usually homologous to most of the structures that are functional in other species of organisms. E.g.. the Vestigial legs which are non functional in  whale and Dolphins, are useful to other organisms. Hence, if these organisms possessed these structures, they should share certain characteristics with  each other.Therefore these organisms can be said to evolved from one another.Thus their vestigial organism should be included by the author  as evidence of evolution.

Explanation:

ANSWER:

The primary structure of the protein

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Answer:

An example of a slow change is erosion and an example of rapid change is an earthquake.

The fairest way to take a representative sample from a population is through random sampling. Random sampling ensures that every individual in the population has an equal chance of being selected for the sample, minimizing bias and increasing the likelihood of obtaining a representative sample.

Random sampling can be achieved through various methods, such as simple random sampling or stratified random sampling. In simple random sampling, individuals are selected entirely by chance, often using a random number generator or a random selection process. Stratified random sampling involves dividing the population into distinct subgroups or strata and then randomly selecting individuals from each stratum in proportion to their representation in the population.

By employing random sampling techniques, researchers can enhance the fairness and generalizability of their findings. This approach helps to ensure that the characteristics and diversity of the population are appropriately captured in the sample, enabling valid inferences and minimizing the potential for sampling bias.

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The plate that would contain bacteria most like the original non-transformed E. coli colonies would be the control plate without antibiotic, as this is the only plate on which non-transformed E. coli would grow.

My prediction is based on the assumption that the experiment involved transforming E. coli with a plasmid containing a gene of interest and selecting for transformed bacteria using antibiotic resistance. In such an experiment, the transformed E. coli bacteria would contain the plasmid with the gene of interest and also a gene for antibiotic resistance. The antibiotic would be added to the growth medium to select for the transformed bacteria, as only those that have taken up the plasmid would be able to survive in the presence of the antibiotic.

However, the original non-transformed E. coli bacteria would not have the antibiotic resistance gene and would, therefore, not be able to grow on the antibiotic-containing plate. Thus, the only plate where non-transformed E. coli would grow would be the control plate that did not contain the antibiotic. This is because the non-transformed E. coli on the control plate would not have undergone any genetic modification and would be identical to the original non-transformed E. coli colonies observed before the transformation experiment.

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Answer:

Explanation:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by-products and ATP is energy that is transformed from the process.

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Answer:

A TISSUE is a group of connected cells that have a similar function.

Answer:

A. evolution

Explanation:

In biology, evolution is the change in the inherited traits of a population from generation to generation. ... Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.