Answer:
A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource. For example, if there are not enough prey animals in a forest to feed a large population of predators, then food becomes a limiting factor. Likewise, if there is not enough space in a pond for a large number of fish, then space becomes a limiting factor. There can be many different limiting factors at work in a single habitat, and the same limiting factors can affect the populations of both plant and animal species. Ultimately, limiting factors determine a habitat's carrying capacity, which is the maximum size of the population it can support.
Explanation:
https://www.nationalgeographic.org/topics/limiting-factors/?q=&page=1&per_page=25
Which describes a feature of synthetic polymers?
Answer:
They can be produced at low cost
Explanation:
In comparison to several other manufacturing materials, some synthetic polymers such as plastics are more durable cost effective, flexible, faster to produce and reliable With regards to the cost comparison, the resins used for plastic are cheaper to obtain than mining for materials such as metals. In all quantities, it is cheaper to produce and manufacture plastics than to produce metals. Due to the light weight and corrosion resistance of plastics, it is cheaper to store and transport plastics to several locations with different environment without the plastic requiring much effort for transportation or being affected by corrosion.
Answer: D
Explanation:
the elongation of the leading strand during dna synthesis
Answer:
Depends on the action of DNA Polymerase
Explanation:
The ribosome continues to translate each codon in turn throughout the elongation phase. A bond known as a peptide bond is used to connect each relevant amino acid to the expanding chain. Up until all the codons are read, elongation continues.
What leading strand during DNA synthesis?The two strands that make up DNA are the leading, continuous strand, which moves toward the replication fork, and the trailing, discontinuous strand, which moves away from the replication fork.
A process known as elongation occurs when more nucleotides are inserted, lengthening the RNA strand. RNA polymerase “walks” along one strand of DNA, called the template strand, during elongation in the 3' to 5' direction.
Therefore, DNA polymerase III catalyses the elongation of DNA by attaching incoming DNA to the 3' end of the elongated DNA.
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8. The function of the kidney is to excrete extra:
A. urea, salts and water
B. urea, water and amino acids
C. urea, carbohydrates and water
D. urea, salts and sugars
why doesn't GTP, CTP, and UTP serve as energy store like ATP?
Draw the morphological tree structure for the word "inflammable" that has the meaning able to catch on fire easily
The morphological tree structure for the word "inflammable," which means "able to catch on fire easily," can be represented given below.
The morphological tree structure for the word "inflammable" reflects its composition and meaning. The word can be divided into two morphemes: "in-" and "-able." The prefix "in-" functions as a negation, indicating the opposite or absence of a particular characteristic. In this case, it negates the meaning of "flammable" which denotes the ability to catch fire easily. The suffix "-able" is added to the base form "flammable" to indicate the capability or possibility of the root word.
inflammable
/ \
in- -able
/ \
not capable
The morphological tree structure represents the hierarchical relationship between the morphemes in the word. Starting from the root node "inflammable," the tree branches out into two branches: one for the prefix "in-" and another for the suffix "-able." The prefix "in-" leads to the morpheme "not," indicating the negation of the base word "flammable." The suffix "-able" leads to the morpheme "capable," signifying the ability or possibility of the root word.
By breaking down the word "inflammable" into its constituent morphemes, the morphological tree structure helps to understand the formation and meaning of the word.
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Which of the following represents a chemical change?
Mowing of grass
Sublimation of ice
Dissolving sugar in water
Charring of a marshmallow
Answer:
the marshmello
Explanation:
Answer:
charring of a marshmallow
Explanation:
all the rest are physical changes
a population of birds walks along the shores of a swampy area eating small crabs. climatic changes cause the water level in the area to increase. which genetic variation in the bird population will be at an advantage leading to greater survival in the area?
A flock of birds forages for little crabs along the coastlines of a swampy area. Water levels in the area rise as a result of climatic changes, requiring longer legs for wading.
Does a changing climate result in more water?Larger water evaporation due to rising global temperatures will result in higher atmospheric water vapour concentrations and more frequent, heavy, and violent rainstorms in the upcoming years.
Why are water levels so low?Lake levels have been seen to decrease as temperatures rise because of greater evaporation. The quality and availability of surface and ground water resources are also expected to be impacted by the anticipated expansion of water demand.
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Having identical pairs of genes for any given pair of hereditary
characteristics is said to be
what? (i think it’s biology)
Hom ozygous
Hope this helps!
(and yes this is biology!)
T/F when dna is loosely packed and found in the nucleus in long strings, it is called a chromosome.
True, when dna is loosely packed and found in the nucleus in long strings, it is called a chromosome.
When DNA is loosely packed and found in the nucleus in long strings, it is called chromatin. However, when the chromatin condenses and coils tightly, it forms a chromosome.
The DNA in our cells is organized into structures called chromosomes. Chromosomes are made up of DNA molecules that are wrapped around proteins called histones. When the DNA is loosely packed and found in the nucleus in long strings, it is called chromatin. The chromatin is organized into regions that are more or less tightly packed. The less tightly packed regions are called euchromatin, and the more tightly packed regions are called heterochromatin. When the chromatin condenses and coils tightly, it forms a chromosome. Chromosomes are visible under a microscope during cell division, when they become even more tightly packed.
In summary, when DNA is loosely packed and found in the nucleus in long strings, it is called chromatin. When the chromatin condenses and coils tightly, it forms a chromosome. Therefore, the statement "when DNA is loosely packed and found in the nucleus in long strings, it is called a chromosome" is false, and the correct statement is that it is called chromatin.
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What type of cell transport is shown in the figure below?
Facilitated diffusion
Active transport
Endocytosis
Simple diffusion
The type of cell transport which is shown in the figure in question is Facilitated diffusion. The diffusion in this transport is carried out with the help of a protein such as carrier protein or channel protein. Thus, the correct option is A.
What is Facilitated diffusion?
Facilitated diffusion is a type of diffusion where the movement of solute and solvent particles takes place from the region of higher concentration to the region of lower concentration.
The cell membrane is selectively permeable in nature as it allows the movement of selected substances through it. The molecules which are impermeable such as large, charged polar molecules cannot cross the membrane on their own and hence requires a protein which facilitates their movement. Thus, for this purpose the carrier and channel proteins which are present in the membrane facilitate this diffusion of substances.
Therefore, the correct option is A.
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A human gene carries certain disease from the mother to the child with a probability rate of 57%. That is_ there is a 57% chance that the child becomes infected with the disease: Suppose female carrier of th gene has three children: Assume that the infections of the three children are independent of one another: Find the probability that all three of the children get the disease from their mother: Round to the nearest thousandth: 0.185 Find the probability that at least one of the children do not get the disease from their mother: Round to the nearest thousandth: Select ]
Probability that all three of the children get the disease from their mother is 18.5%, and probability that at least one of the children do not get the disease from their mother is 81.5%.
What is the probability that all three of the children get the disease from their mother?If the probability that a child becomes infected with the disease from the mother is 57%, then the probability that a child does not get the disease from the mother is 100% - 57% = 43%.
Let's use "D" for the event that a child gets the disease from the mother
"ND" for the event that a child does not get the disease from the mother
P(all 3 children get the disease) = P(D and D and D) = P(D) x P(D) x P(D) = 0.57 x 0.57 x 0.57 = 0.1851 or approximately 18.5%.
P(at least 1 child does not get the disease) = 1 - P(all 3 children get the disease) = 1 - 0.1851 = 0.8149 or approximately 81.5%.
Therefore, the probability that all three of the children get the disease from their mother is 18.5%, and the probability that at least one of the children do not get the disease from their mother is 81.5%.
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The biological species concept relies on a disruption of which aspect of population genetics?
a. mutation
b. selection
c. gene flow
d. genetic drift
e. all of the above
The biological species concept relies on a disruption of which aspect of population genetics is c. gene flow.
The biological species idea is based on behavioral statistics and emphasizes reproductive isolation among organizations. The lineage species idea is based on genetic statistics and emphasizes awesome evolutionary trajectories among organizations, which bring about awesome lineages (branches on a phylogenetic tree). Biological species idea. In nineteen century the primary who produced the maximum quoted definition of what he called “biological species” changed into the zoologist Mayr (1942) who described species as: “organizations of truly or doubtlessly interbreeding herbal populations which can be reproductively remoted from different such organizations”.
Thus, option c is the correct choice.
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Why did the student do three tests and calculate a mean?
Answer:
to get a good grade???
Explanation:
I’m
How is the sentence below BEST written?
Water satisfies your thirst even better then lemonade does.
change then to than
change your to you're
change satisfies to had satisfied
change better to more
Please help me
The sentence "Water satisfies your thirst even better then lemonade does." is best written as "Water satisfies your thirst even better than lemonade does." by changing then to than, option "A".
What makes a sentence a sentence?Sentences start with a capital letter, ends with either a full stop, question mark or an exclamation mark and has a subject and a verb. A sentence also contains a predicate.
Predicate are parts of the sentence that states what the subject is about. Sentences can contain conjunctions such as "than" used for comparison and as a preposition. The word "than" gives a better meaning to the sentence "Water satisfies your thirst even better than lemonade does."
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Answer: b
Explanation: your in summer school to
What indicates that cephalopods have the most highly developed eyes in the invertebrate world?
Answer:
1. complex eyes structure
2. high visual acuity
3. rapid response time
4. large brain and advanced cognitive abilities
visceral reflex arcs do not control: question 24 options: blood pressure. heart rate. digestion. voluntary muscle functions
Visceral reflex arcs do not control voluntary muscle functions.
Visceral reflexes necessitate a glandular or non-skeletal muscular reaction performed in internal organs like the heart, blood vessels, or structures of the GI tract.
To elicit their actions, they use neurons of the autonomic nervous system. Sneezing, coughing, swallowing, vomiting, pupil dilation, and contraction of smooth muscles of hollow organs in various organ systems are examples of visceral reflexes.
The autonomic nervous system branch of the visceral reflex arc commences with the central neuron's projection along the preganglionic fiber. This fiber then connects to a ganglionic neuron and projects to the intended effector.
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Which of the following are homologous structures? A. The forelimb of a dog and the hindlimb of a cat
B. The mouth of a mosquito and the beak of a hummingbird
C. Wings of a butterfly and wings of a sparrow
D. The forelimb of a dog and the forelimb of a cat
Answer:
Explanation:
D. The forelimb of a dog and the forelimb of a cat
Which of the following best describes the ploidy level of a fertilized embryo sac; in angiosperms?O AIl cells are diploid.O AIl cells are triploid.O The ploidy level varies among speciesO There are haploid, diploid, and triploid cells_
There are haploid, diploid, and triploid cells best describes the ploidy level of a fertilized embryo sac in angiosperms.
So, the correct option is E.
The critical phase of the angiosperm life cycle is the double fertilisation stage. As a result, the embryo and two sperm cells fuse together. One of the two sperm cells therefore fuses with the egg, and consequently, the sperm and egg. They each have a job in the organic industry. Therefore, one is fused with the egg to create the deployed zygotes Savas, while the other is used with the polar nuclei to create the main endo sperm nucleus that you can see in the LA. Since they are the polar nuclei, the trip Floyd comes into play. The core cell of two Polar nuclei envies two of us specifically. Therefore, Lloyd, these two polar nuclei were there when sperm entered.
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changes in body size or beak shape to avoid competition with another similar species is termed:
The phenomenon of changes in body size or beak shape to avoid competition with another similar species is known as character displacement.
This process occurs when two species that occupy similar niches in an ecosystem compete for resources. Over time, natural selection favors individuals within each species that have traits that allow them to use different resources or occupy slightly different habitats, reducing competition between the two species. One common outcome of character displacement is a divergence in body size or beak shape between the two species, which allows them to more efficiently utilize different resources in their shared environment. This can ultimately lead to the formation of new species over long periods of time. Character displacement is an important mechanism in evolutionary biology and is one example of how competition between species can drive adaptive changes.
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what is a STOP codon?
Answer:
A stop codon is a codon that signals the end of the polypetide chain during translation.
Explanation:
There are three stop codons: UAG, UAA, and UGA. They do not code for amino acids and signal the end of translation into proteins.
Hope this helps. :)
Based on the table, which kingdom(s) includes more than one body type?
A) Protista and Fungi
B) Eukarya and Archaea
C) Plantae and Animalia
D) Protista and Plantae
Explanation:
The answer is C. I looked it up and read about it , i do not copy and paste unless u want me to.
The kingdom(s) includes more than one body type is Plantae and Animalia.
What is the animal kingdom?
The Animalia Kingdom is formed by living beings that have characteristics common to all animals: multicellular heterotrophs that acquire their food from the environment, by ingestion. The Animalia Kingdom has a great variety in relation to the other kingdoms of living beings.
Both the plantae and animalia kingdoms will have diversification in body type as they tend to have greater diversification for each medium the being survives.
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What is the metabolic process that requires oxygen?
The metabolic processes that require oxygen are aerobic processes. These processes require oxygen to carry out.
What is the metabolic process?The metabolic process is a series of processes that occurs in the cell. It includes chemical pathways, anabolic and catabolic reactions, it transforms nutrients from food into energy.
The metabolic reactions that occur in the presence of oxygen are called aerobic reactions.
Thus, the Aerobic process is the metabolic process that calls for oxygen. To complete these operations, oxygen is needed.
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why is neuromuscular electrical stimulation (nmes) able to provide stronger neuromuscular stimulation?
Neuromuscular electrical stimulation (NMES) involves the use of electrical currents to stimulate muscle contractions.
The process of stimulating muscle contractions with electrical currents is known as neuromuscular electrical stimulation (NMES). Because it directly engages the motor neurons that govern muscle contraction, avoiding the need for deliberate activation by the brain, this approach can produce stronger neuromuscular stimulation.
The motor neurons in the spinal cord are activated when a muscle contracts voluntarily as a result of brain impulses. Yet, NMES can be used to directly stimulate the motor neurons and cause muscular contractions when the brain is unable to provide these signals, as is the situation in some neurological conditions or after specific traumas.
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How does the Chalcogen group react with the Alkali Earth Metals?
Discussion Topic
Each substance has a unique set of properties that depends on the kinds of atoms it
has and how the atoms are connected, or bonded. Bonding is related to the electrons in
an atom, and there are different kinds of bonds. As a result, some substances can have
the same atoms but different bonds. Substances that are different but have the same
atoms are called allotropes. Allotropes have very different properties.
Diamond and graphite are well-known allotropes. Graphite is used in pencils for writing
and is sometimes called lead. Diamond is colorless and transparent, and is one of the
hardest substances known. Graphite is dark gray and soft. When we write, layers of
graphite easily transfer from the pencil to the paper. Although they're different, diamond
and graphite each only contain one kind of atom-carbon.
How do you think the bonds between carbon atoms might be different in diamond and
graphite? Use household materials to build physical models to help you develop your
ideas. Describe what you learned from your models. What other kinds of allotropes are
there? What kinds of properties and atomic bonds do they have?
8 Response(s)
Diamond and graphite are two different forms of carbon with unique properties. Diamond is very hard and transparent, while graphite is soft and dark gray, often used in pencils. Despite both being made of carbon atoms, they have different bonding arrangements.
In diamond, carbon atoms are tightly bonded in a three-dimensional structure. Each carbon atom is connected to four neighboring carbon atoms, forming a strong lattice. This arrangement gives diamond its hardness and transparency.
In graphite, carbon atoms are arranged in layers. Within each layer, the carbon atoms form hexagonal patterns and are bonded together. However, the layers are held together by weaker forces, allowing them to slide past each other easily. This is why graphite is soft and can leave marks on paper when we write.
Besides diamond and graphite, there are other types of carbon allotropes. For example, fullerenes are spherical carbon molecules with unique properties. Carbon nanotubes are cylindrical structures made of rolled-up graphene sheets. These different allotropes have their own distinct properties based on their bonding arrangements.
So, even though diamond and graphite are made of the same carbon atoms, their different bonding structures result in their contrasting properties, such as hardness, transparency, and softness. Exploring these allotropes and their atomic bonds helps us understand the relationship between the structure of substances and their properties.
The bonding structures between carbon atoms in diamond and graphite differ, resulting in varied properties. Creating physical models from everyday items can help visualize these structures. Other carbon allotropes include fullerene and graphene, each with unique bonding and properties.
Explanation:The bonds between carbon atoms in diamond and graphite differ in the way they are structured. In a diamond, each carbon atom is bonded to four other carbon atoms in a tetrahedral structure. This strong, three-dimensional network of bonds is what gives diamond its hardness. On the other hand, in graphite, each carbon atom is bonded to three others in a layered, hexagonal structure. This allows layers to slide over each other easily, making graphite soft and slippery.
For building physical models, you could use marshmallows or beads to represent carbon atoms and toothpicks or straws for bonds: arrange them in different ways for diamond and graphite. From this, you'll learn that the same atoms can form different structures with different properties based on their bonding.
Other allotropes of carbon include fullerene (spherical-shaped) and graphene (one-atom-thick layer of carbon). Fullerene has weak van der Waals forces between its molecules, and graphene has a strong, two-dimensional network of carbon atoms.
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if a gene is located in the Y chromosome could the trait ever be expressed in a female?
according to the Miller-Urey Experiment, what materials existed in Earth's early atmosphere
Answer:
The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2).
Explanation:
how do false killer whales help mankind and nature!!!!!???????
NEED TO KNOW VERY SOON PLESE ANSWER SOON AND FAST
Whales play an important role in the marine ecosystem where they help provide at least half of the oxygen you breathe, and they also improve climate change. Hope that helps.
the california current is a surface current that carries water south from polar regions, ANSWER THE QUESTION DOWN HERE! FAST! I WILL GIVE BRAINLIEST!
Answer:
B Winds moving east push the current towards the Western coast of the United states
Explanation:
The intensity of the California current is influenced by strong northwesterly winds. These winds predominantly blow along shore, which because of the earth's rotation causes water to be transported in an offshore direction.
oh and
D
the water cools and gets denser as it flows south, causing it to sink near the western coast of united states
how do humans cause climate forcing?
Explanation:
Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and the rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.