what circumstances led to the reintroduction of the wolves to the park
Answers
Answer:
As early as the 1930s, scientists were alarmed by the degradation and were worried about erosion and plants dying off. To protect declining species from the shortsightedness of man, the Endangered Species Act was created. In 1974 the gray wolf was added to the list
Explanation:
Related Questions
A wave has a frequency (f) of 35 Hz and a wavelength (λ) of 20 meters (m). What is the speed (v) of the wave? Type the equation and your work to show how you got your answer.
Answers
Answer:
v=700 m/s
Explanation:
Given that,
The frequency of a wave is 35 Hz and its wavelength is 20 m
We need to find the speed of the wave. Let it is v. It is given in terms of frequency and wavelength as follows :
\(v=f\lambda\\\\v=35\times 20\\\\v=700\ m/s\)
So, the velocity of the wave is 700 m/s.
Which of the following statements is true about cellular respiration?
It converts energy into food.
it breaks down good to realse energy.
it turns carbon dioxide into water
it turns water into carbon dioxide
Answers
Describe Lamarckian and Darwinian ideas about Evolution, and highlight the key differences between them.
Answers
Lamarckian and Darwinian ideas of evolution both attempt to explain the changes that occur in species over time. However, they differ in their approach to this topic. Lamarckian theory is based on the concept of "inheritance of acquired characteristics," whereas Darwinian theory is based on natural selection and survival of the fittest.
According to Lamarck's theory, an organism can acquire new characteristics during its lifetime in response to changes in its environment. These acquired traits can then be passed on to its offspring, resulting in a new species. For example, Lamarck believed that a giraffe could stretch its neck to reach higher leaves, and that over time, its neck would become longer as a result of this behavior. The offspring of this giraffe would then have longer necks, and this trait would be passed down from generation to generation.
In contrast, Darwin's theory of natural selection suggests that organisms with advantageous traits are more likely to survive and reproduce, passing these traits on to their offspring. Over time, this leads to the evolution of a species. For example, Darwin suggested that the long necks of giraffes are the result of a process of natural selection, where giraffes with longer necks were better able to reach food in tall trees and were therefore more likely to survive and reproduce.
In conclusion, the key difference between Lamarckian and Darwinian theories of evolution is that Lamarck believed in the inheritance of acquired traits, whereas Darwin's theory is based on natural selection and survival of the fittest. Darwin's theory has been widely accepted by the scientific community, while Lamarck's theory has been largely discredited.
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be able to describe in writing, using complete sentences, the biological purpose of sexual reproduction, and name 3 sources of genetic variation that arise from it
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The biological purpose of sexual reproduction is ensure genetic diversity in the offspring and genetic variation that arise from sexual reproduction are crossing over, independent assortment, and random fertilization are crossing over, independent assortment, and random fertilization
Sexual reproduction is a biological process in which two individuals of opposite sexes come together to produce offspring. The primary purpose of sexual reproduction is to ensure genetic diversity in the offspring, this diversity arises from the fusion of two gametes (sperm and egg) that carry different sets of genetic information. The three sources of genetic variation that arise from sexual reproduction are crossing over, independent assortment, and random fertilization. Crossing over occurs when homologous chromosomes exchange segments during meiosis, leading to the creation of unique combinations of genes in the resulting gametes.
Independent assortment is the random distribution of homologous chromosomes during meiosis, leading to the creation of different combinations of genes in the resulting gametes. Random fertilization occurs when any one of the millions of sperm can fertilize any one of the millions of eggs, leading to the creation of a genetically diverse offspring. In summary, sexual reproduction provides genetic variation, which leads to the evolution of species and adaptation to changing environments.
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a man with type a blood, whose parents had type a and typo o blood, has a child with a women with type ab blood. what is the probability that the child has type a blood?
Answers
According to this, there is a 50% probability that an offspring will have type A blood (AO), and a 50% chance that they will have type O blood (OO) of parents. Blood types B or AB are not likely to be present in the progeny.
Rh factors are inherited from one's parents. A child may have a mix of both parents Blood types and Rh factors, or they may have one of each. Rh factors inherit according to a typical genetic pattern. Even when combined with a Rh-negative gene, the Rh-positive gene prevails because it is dominant (stronger). A blood type A would be present in 50% of the offspring in this scenario. Watch the process of derivation. For the ABO blood type, there are three alleles.
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In this situation, half of the children or 50%, would have blood type A.
The type of blood is determined by the antigens that are on the surface of the red blood cells. Type A blood has A antigens, B blood has B antigens, AB blood has both, and O blood has neither. An O allele is considered recessive while alleles for A and B are co - dominant.
The father has blood type A, and one of his own parents had blood type O. This means that his genotype would be heterozygous, (inheritance of A)i. He would have to have IA allele to have type A blood and would have the i allele from one of his parents.
The mother is type AB, so her genotype would be (inheritance of A)(inheritance of B).
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BRAINIEST ANSWER
Just check my answers please
:))
Answers
Answer:
Sand, Gravel and Granite is the Answer.
Explanation:
if it helps don't forget to like and mark me
Answer:
ur correct
Explanation:
I just searched it up
. What is the main function of an enzyme?
A. They lower the activation energy of a reaction by binding the substrate
B. They raise the activation energy of a reaction by binding the substrate
C. They lower the amount of energy present in the substrate
D. They raise the amount of energy present in the substrate
E. They are the main substrates in a biochemical reaction
Answers
Answer:
Here are some importance of enzymes I have brought for you :-
1. Enzymes create chemical reactions in the body.
2. They actually speed up the rate of a chemical reaction to help support life.
3. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.
Explain how a person can be a carrier for a sex-linked disorder, but not exhibit this disorder.
Answers
A person cannot exhibit the disorder because they don't experience the condition because they have a healthy copy of the gene on their other sex chromosome.
A disorder is a functional abnormality or disturbance that affects an individual's physical, mental, or emotional health.
They have the potential to pass on the mutated gene to their offspring, but they do not exhibit the disorder themselves because they have a normal copy of the gene on their other sex chromosome.
In the case of X-linked disorders, females have two X chromosomes, while males have one X chromosome and one Y chromosome. Females can be carriers for X-linked disorders if they inherit one mutated X chromosome from one parent, and one normal X chromosome from the other parent.
Males, on the other hand, cannot be carriers of X-linked disorders because they only have one X chromosome.
Therefore, a person can be a carrier for a sex-linked disorder if they have one copy of a mutated gene on one of their sex chromosomes, but not on both.
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True or false
Plants use energy from the sun to produce carbon dioxide and sugars???
Carbon dioxide is ether wrong or right
Answers
how have many deaf persons been the involuntary objects of attempts to cure them?
Answers
Unfortunately, throughout history, many deaf individuals have been viewed as needing to be "cured" or fixed. This often involved invasive and harmful procedures such as forced oralism (where they were prohibited from using sign language), electroshock therapy, and even lobotomies.
These attempts at "curing" deafness were rooted in ableist and oppressive beliefs that deafness was a problem that needed to be solved, rather than a valid and diverse way of being. It is important to recognize and challenge these harmful practices, and instead work towards creating a more inclusive and accepting society that values and celebrates diversity.
Many deaf persons have been the involuntary objects of attempts to cure them due to societal misconceptions and a lack of understanding about deaf culture. Over the years, various medical treatments, surgeries, and devices have been introduced with the aim of "fixing" deafness, often without the consent or input of the deaf individuals themselves. These attempts have included cochlear implants, hearing aids, and experimental therapies. While some deaf individuals may choose to pursue these options, it is crucial to respect their autonomy and recognize that deafness is not something that needs to be "cured" but rather embraced as part of one's identity.
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Put the following examples of levels of organization of living things in order from smallest to largest, placing the smallest at the top
Answers
The top will be the smallest:
Heart Cell
Cardiac Tissue
Blood, Heart, Blood vessels
Circulatory System
Whole Human Person
what is the function of the ampullae of lorenzini?
Answers
Answer:
The ampullae detect electric fields in the water, or more precisely the potential difference between the voltage at the skin pore and the voltage at the base of the electroreceptor cells.
Explanation:
Which biotic and abiotic factors are different from between a lion and a deer?
Answers
Answer:
Biotic components, or biotic factors, can be described as any living component that affects another organism or shapes the ecosystem. This includes both animals that consume other organisms within their ecosystem, and the organism that is being consumed.
1. Explain the pathway of Endosymbiosis, and explain the job of all the organelles involved.
Answers
Answer:
All living things are made up of cells. Even though there are many millions of life forms on earth, all of them are made up of only two basic types of cell: prokaryotes and eukaryotes.Cells contain DNA. Prokaryotes (pro-carry-oats) are small and simple and have rings of circular DNA floating free inside the cell. Eukaryotes (you-carry-oats) are large and more complex.
Match the type of rock with its correct it’s description
Answers
Answer: metamorphic is high pressure, igneous is lava formation, and sediment is by minerals
Explanation:
Los cuyes del pelo crespo, al ser cruzados con cuyes de pelo liso, producen solamente cuyes de pelo crespo, si se cruza uno de los cuyes de pelo crespo de F1 con el homocigoto recesivo. ¿Qué proporciones es posible esperar
Answers
Answer and Explanation:
Datos:
El alelo dominante del gen que codifica para el tipo de pelo, determina el pelo crespo. Llamemos P al alelo dominante. Genotipos que expresan pelo crespo: PP (Homocigota dominante) y Pp (Heterocigota)El alelo recesivo del gen que codifica para el tipo de pelo determina el pelo liso. p es el alelo recesivo.Genotipo homocigota recesivo, pp, expresa pelo liso.La cruza entre un cuy de pelo crespo y un cuy de pelo liso producen solo cuyes de pelo crespo. Esto implica que el parental con pelo crespo era homocigota dominante.1º Cruza: un cuy de pelo crespo y un cuy de pelo liso
Parental) PP x pp
Gametas) P P p p
Cuadro de Punnet) P P
p Pp Pp
p Pp Pp
F1) 100 % de la progenie posee pelo crespo
4/4 tienen genotipo heterocigoto.
2º Cruza: un cuy heterocigoto de la F1 y un cuy homocigoto recesivo
Parental) Pp x pp
Gametas) P p p p
Cuadro de Punnet) P p
p Pp pp
p Pp pp
F2) 50% de la progenie tiene pelo crespo
50% de la progenie tiene pelo liso
2/4=1/2 de la progenie es heterocigota
2/4 = 1/2 de la progenie es homocigota recesiva.
20 points picture shown! only real answers pretty please
The picture below shows the satellite image of ocean surfaces on Earth at Locations A, B, C, and D.
Which of these graphs best models the waves in the four locations?
Answers
When using images and graphs to express the results of a research, both of them should express the same information to make their interpretation easier. Option A is the one that best models the waves in the four locations.
How to express the results of a research?
There are different ways in which a researcher can correctly express the results of an experiment or research. It can be done by using images, tables, graphs, diagrams, etcetera.
Usually, combinations of one or more are used to express the same results in order to make it easier to make interpretations (for instance, tables and charts). In these cases, the same data must be expressed in all of them, so the interpretation is coherent.
In any case, there must always be a reference to what is being shown, so the persons looking at the image, chart, or table, get to know what they are looking at.
For instance, in the exposed example we can see the satellite image of ocean surfaces on Earth at different locations.
To get to understand this image by itself, we need references. These are given below in the sea surface height anomaly gradient.
This gradient explains the change in height from the lowest height -the darkest color that reflects -50 cm-, to the highest height -white expresses 50 cm-.
Letters A, B, C, and D are references to the locations that were considered.
If we want to make a graph with this same information, we need to make a good interpretation of the image and then reflect it in the graph.
In the exposed example, graph A is the one that best reflects the information provided in the image but is not entirely correct.
Image
A ⇒ red color ⇒ 30 cmB ⇒ yellow color ⇒ 10 cm C ⇒ cream/light blue ⇒ 0 cmD ⇒ light blue color ⇒ -10 cm
The graph must express the change in water surface height. This change is expressed in the Y ax of the chart.
Probably the X ax represents normal heights.
According to the information,
A and B must be over the X ax (positive values). C might be on the ax or slightly over or below it. Finally, D must be below the X ax (negative value).
Graph A is the one that best represents this information.
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Given the type of transporter as determined in Part 1. choose all of the correct statements below that relate to the functive of the Na 4
/Ca 2+
transporter. Choose one or more: A. Nat is transported against its electrochemical gradient. B. The transporter directly uses ATP as an energy source for transparting ions. C. Cà2+ is transported against its electrochemical gradient. D. The transporter uses the Na +
electrochemical
Answers
The correct statements regarding the function of the Na⁺/Ca²⁺ transporter are A. Na⁺ is transported against its electrochemical gradient. and C. Ca²⁺ is transported against its electrochemical gradient.
These statements indicate that the transporter moves Na⁺ and Ca²⁺ ions across the cell membrane in a direction that is opposite to their respective electrochemical gradients. However, it does not directly use ATP as an energy source for transporting ions (statement B). The transporter utilizes the electrochemical gradient of Na⁺ to drive the transport of Ca²⁺ (statement D).
The Na⁺/Ca²⁺ transporter facilitates the movement of Na⁺ and Ca²⁺ ions across the cell membrane. It operates by utilizing the electrochemical gradient of Na⁺ to transport Ca²⁺ against its own electrochemical gradient. This means that Na⁺ is transported in the same direction as its electrochemical gradient, while Ca²⁺ is transported in the opposite direction.
The transporter does not directly use ATP as an energy source for ion transport. Instead, it harnesses the energy stored in the Na⁺ electrochemical gradient, which is generated by the action of the Na⁺/K⁺ ATPase pump. This coupling mechanism allows the Na⁺/Ca²⁺ transporter to facilitate the movement of Ca²⁺ ions into or out of the cell, depending on the prevailing concentrations and electrochemical gradients of Na⁺ and Ca²⁺.
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which of the following is most likely to result in a nonfunctional polypeptide? group of answer choices a silent mutation a missense mutation a nonsense mutation a transition mutation
Answers
A nonsense mutation is most likely to result in a nonfunctional polypeptide.
In genetics, a nonsense mutation is a point mutation in a DNA sequence that causes an early stop codon, or nonsense codon, in the transcribed mRNA and causes a shortened, incomplete, and nonfunctional protein product. The functional impact of a nonsense mutation relies on a variety of factors, including the placement of the stop codon within the coding DNA. Nonsense mutations are not necessarily deleterious.
For instance, the outcome of a nonsense mutation relies on the distance between the nonsense mutation and the original stop codon as well as the degree to which the protein's functional subdomains are impacted. Chain termination mutations are sometimes known as nonsense mutations because they cause polypeptide chains to end prematurely.
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Science is built on several assumptions. On which of the following assumptions is science based? Select all that apply.
1. Understanding natural processes is enough to understand the natural world.
2.Science is absolute and never uncertain.
3.Science is testable, repeatable, observable, and falsifiable.
4.The laws of nature are consistent and logical.
5.People can understand the world with absolute certainty.
Answers
Answer:
2.Science is absolute and never uncertain.
3.Science is testable, repeatable, observable, and falsifiable.
4.The laws of nature are consistent and logical.
Explanation:
First, they assume that the information and developments in the cosmos happen in constant patterns that are understandable through accurate, well-organized research. Second, they understand that the cosmos is an enormous single arrangement in which the basic commands are universally equivalent to others.
which of the following is the best example of kinetic energy?
A: a bowling ball rolling tworads the pins
B: a horse standing in an open feild
C: a pitcher preparing to throw a ball
D: a runner in position at the start line
6th grade science
Answers
A, a bowling ball rolling tworads the pins
Explanation: Kinetic energy is displayed when an object is moving. All the other answer choices are still.
What are the two types of learning? Define them. Then determine which type of the learning the following terms are related to.
- Classical conditioning
- mirror neurons
- operant conditioning
- reinforcement
- modeling
- punishment
- reinforcement schedules.
Answers
The two types of learning are classical conditioning and operant conditioning.
Classical conditioning is a type of learning in which an organism learns to associate a stimulus with a response. Mirror neurons are related to classical conditioning, as they are neurons that fire when an organism performs an action or observes someone else performing the same action.
Operant conditioning is a type of learning in which an organism learns to associate a behaviour with a consequence. Reinforcement, punishment, reinforcement schedules, and modeling are all related to operant conditioning.
I need this!! It’s important!!!!
sWhich statement describes two organ systems working together to deliver nutrients to cells?
A. The excretory system removes excess nutrients from blood as it
makes urine.
B. The blood absorbs the nutrients that the digestive system obtains
from food.
C. The respiratory system transfers oxygen removed from nutrients
to the blood.
D. The molecules of important nutrients are made from food in the digestive system
Answers
That’s the answer
Answer:
lol which one is it......
Explanation:
immediately prior to ovulation, cervical mucus becomes: group of answer choices dry and fertile stretchy and opaque tacky and dry clear, stretchy, the consistency of egg white
Answers
Immediately prior to ovulation, cervical mucus becomes clear, stretchy, and has a consistency similar to egg white. This type of mucus is known as fertile cervical mucus and it indicates the peak of a woman's fertility. The purpose of fertile cervical mucus is to provide a favorable environment for sperm to survive and move towards the egg for fertilization.
The consistency of cervical mucus is an important indicator of a woman's fertility. It changes throughout the menstrual cycle, becoming more watery and abundant as ovulation approaches. This change is driven by rising estrogen levels, which cause the cervical glands to produce more mucus.
Tracking changes in cervical mucus consistency can be helpful for women who are trying to conceive. By observing the texture and amount of cervical mucus, they can identify their fertile window and time intercourse for optimal chances of pregnancy. On the other hand, if a woman is trying to avoid pregnancy, she can use changes in cervical mucus as a natural form of contraception.
Overall, understanding the changes in cervical mucus consistency can help women better understand their bodies and reproductive health.
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When there is a cut in the skin and bacteria enter the body, the immune system responds. First, macrophages approach the area of the cut. Next, the macrophages surround any bacterial cells and engulf them. What feature of the immune system is best described by this scenario?
A.
self-recognition, which is a part of adaptive immunity
B.
the phagocytotic barrier, which is a part of innate immunity
C.
antigen specificity, which is a part of adaptive immunity
D.
the inflammatory barrier, which is a part of innate immunity
Answers
The feature of the immune system which is best described by this scenario which involves engulfing of bacterial cells is the phagocytotic barrier, which is a part of innate immunity and is denoted as option B.
What is Immune system?This is part of the body which is responsible for protection and helps to fight germs and diseases through the white blood cells which are present in the body system.
The immune system comprises of macrophages which engulfs the pathogen through the process known as phagocytosis which is why phagocytotic barrier which is a part of innate immunity was chosen as the correct choice.
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4. A scientist finds a rock with old microfossils in it, likely from around 4 billion years ago. Which
radioactive isotope should the scientist use to determine the age of the sample and why? (
se fosse uma pedra com 4 bilhoes de anos qual isotopo deveria de usar e porque?)
Answers
Answer:
U-238
Explanation:
the half-life of uranium-238 is about 4.5 billion years
You are part of a research group experimenting with signaling molecules that would tell cancer cells to stop dividing. The cancer cells have inactive receptors on their plasma membrane so you need an alternate method of getting the signals into the cells. What could you use?
A. Plasmodesmata for direct contact.
B. Stimulate the pituitary gland to send the signal as a hormone.
C. Gap junctions for direct contact.
D. Through the synaptic cleft of a neuron.
Answers
Answer:
b
Explanation:
what are 5 safety factors to condier when workgin with bacteria
Answers
The five safety factors to consider when working with bacteria are both a and b, option D.
We must raise awareness of several safety considerations while working with germs, such as
A) Keeping your workstation clean and sanitary both before and after lab
B) Handwashing and using sterile techniques such as burning the loop.
C) Refraining from immediately smelling bacteria samples and keeping them away from your face.
D) Taking a sterile cotton swab out of a container the right manner.
E) Putting on gloves, keeping the test tube upright at all times, and always cleaning and putting away the microscope according to the manufacturer's instructions.
Bacteria are common, largely free-living creatures that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom. Bacteria, which are typically a few micrometres long and were among the earliest living forms to arise on Earth, are found in the majority of its habitats.
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Complete question:
What are five safety factors to consider when working with bacteria? Cyanobacteria .
a. formerly were described as blue-green algae and are single-celled or colonial
b. occur in aquatic environments, sidewalks, and trees; they also use an autotrophic mode of nutrition
c. are eukaryotic
d. both a and b
e. all of the above
discuss two ways social media benefits learners when completing assessment tasks.
Answers
Social media can benefit learners when completing assessment tasks in various ways.
Firstly, it provides a platform for students to collaborate and share ideas, which can lead to a deeper understanding of the subject matter.
Secondly, social media can also provide learners with quick access to a wide range of resources and information.
Through social media, learners can connect with their peers, form study groups, and share resources, all of which can contribute to a more holistic and collaborative approach to learning.
By following relevant experts, organizations, or hashtags on social media, students can stay up-to-date on the latest research, news, and trends in their field of study.
This can help them to better understand complex concepts and theories, and can also provide inspiration and motivation for completing assessment tasks.
Additionally, social media can be used to connect with professionals in a given field, providing opportunities for mentorship and guidance.
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Which of the following explains biodiversity?
Answers
Answer:
The right option is; B) the total variety of organisms on Earth
Explanation:
The absolute assortment of living beings on Earth clarifies biodiversity
Biodiversity is the assortment and inconstancy all things considered (various plants, river creatures, and microorganisms) from all sources (marine, earthbound, and other sea-going biological systems) on earth or inside a specific area. Biodiversity includes hereditary assorted variety, species decent variety, and biological system decent variety which all capacities together to frame the unpredictability of life on earth.