Since the breeding periods of gray wolves and coyotes occur at different times of the year, they do not mate even though they came from similar species. This is an example of temporal isolation.
Temporal isolation refers to a prezygotic isolation mechanism in which the timing of the mating periods is different between two or more species, resulting in an inability to mate and produce viable offspring. The differences in the time of reproduction between the closely related species contribute to their inability to interbreed.
Temporal isolation is one of the three types of reproductive isolation mechanisms. The other two are geographic isolation and behavioral isolation. Geographic isolation occurs when physical barriers, such as mountain ranges, oceans, or rivers, prevent individuals of the same species from mating with each other. Behavioral isolation occurs when individuals of the same species do not recognize each other's mating behaviors or visual or chemical signals.
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Hydraulic fracturing (fracking) can increase the production of oil.
1. True
2. False
Answer:
True
Explanation:
help please !! it’s due in 20 mins &’ i need help. only answer if you know <3
Answer:ohh i think for elk its low but in past it was high and willow tree on past was less now it is more
Explanation:
Mini Brain ProjectDirections: Conduct research on a selected brain area or structure. Areas and structures available for research include: frontal lobe, parietal lobe, temporal lobe, occipital lobe, medulla, pons, cerebellum, reticular formation, thalamus, hypothalamus, limbic system, cerebrum, hippocampus, amygdala, corpus callosum, Broca’s area, OR Wernicke’s area. Conduct research using scholarly Internet sources, library sources, and the textbook. What are its major functions? What techniques are used to view or measure it?What other structures is it near?What other structures help or perform similar functions?
Parietal lobe is one of the main lobes in the brain which is located at the upper back area in the skull. It process sensory information that it accepted from the outside world that is associated to touch, taste, and temperature. The techniques used to view the parietal lobe are Positron emission tomography (PET) and functional magnetic resonance imaging (fMRI).
Parietal lobe is near the top and center of the cerebral cortex just at the back of the frontal lobe and at the top of the occipital and temporal lobes.
The occipital lobe help the parietal lobe in visual perception and processing including spatil navigation and reasoning.
How are we, as a species, physically illsuited to the natural world while also being psychologically ill-suited to one another? How do these two contradictions necessitate the existence of an economy? Discuss.
The physical and psychological contradictions that humans face necessitate the existence of an economy. Through economic systems, we can overcome physical limitations and address psychological conflicts, ultimately fostering adaptation to the natural world and promoting cooperation among individuals.
As a species, humans are physically ill-suited to the natural world in several ways. Unlike other animals, we lack natural protection such as fur or tough skin, making us more vulnerable to extreme temperatures and physical harm. Additionally, our slow reproductive rate and longer period of dependency as infants make it challenging for us to adapt to rapid changes in our environment.
Psychologically, humans are often ill-suited to one another due to differences in personality, beliefs, and values. This can lead to conflicts, misunderstandings, and difficulties in communication and cooperation. Humans have a tendency to prioritize their own interests and can struggle to empathize with others, leading to social divisions and fragmentation.
These physical and psychological contradictions necessitate the existence of an economy. An economy is a system that allows individuals and societies to allocate resources, goods, and services in a way that addresses these contradictions. Through economic systems, humans can overcome physical limitations by using technology and innovation to adapt to the natural world. For example, we build shelters, use clothing for protection, and develop tools for hunting and gathering.
Economies also provide a framework for addressing psychological conflicts by facilitating trade, specialization, and cooperation. Through trade, individuals can exchange goods and services, allowing them to access resources and satisfy their needs. Specialization enables individuals to focus on their strengths and skills, contributing to the overall well-being of society. Cooperation within an economy fosters social cohesion and allows for the development of institutions that help regulate and resolve conflicts.
In summary, the physical and psychological contradictions that humans face necessitate the existence of an economy. Through economic systems, we can overcome physical limitations and address psychological conflicts, ultimately fostering adaptation to the natural world and promoting cooperation among individuals.
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please help i’ll give brainliest??
You are a sales representative for a company that makes a new alternate fuel for vehicles. You have prepared a presentation for the environmental engineers to sell your new product. What question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment?
A. Do we have to change any parts of the vehicle to use this alternate fuel?
B. Will the vehicles get better fuel mileage with the alternate fuel?
C. How much greenhouse gas does your fuel produce compared with current fuel sources?
D. Is the alternate fuel more expensive than fossil fuel?
Answer:
C. How much greenhouse gas does your fuel produce compared with current fuel sources?
Explanation:
Answer A asks whether vehicles need to be changed to use the fuel.
Answer B asks whether the vehicles will get better mileage.
Answer C asks whether emissions will be better or worse than current emissions.
Answer D asks whether it will be more expensive than current fuel.
Hope this helps!
Answer:
C. How much greenhouse gas does your fuel produce compared with current fuel sources?
Explanation:
Plato.
Jenna's age Jessica's age
today x x + 5
in 5 years x+5
5 years ago x + 5 - 5
Equality x + 5 = x + 5 - 5
=> x + 5 = x
The equation is x + 5 = x
That equation has not any solution, because it reduces to 5 = 0, which is an absurd.
So, the conclusion is that information given by Jenna is wrong.
It is logical: if the difference of the ages is 5, in five years Jenna will have 10 years more than what her sister had 5 years ago, no 5 as she told Jessica.
Answer:
Here ya go
Explanation:
Statistics about Diabetes Type 1 and 2 (World Wide) : 2021
In 2021, the worldwide statistics for diabetes type 1 and type 2 indicated a significant global health concern with a high prevalence and increasing incidence.
Diabetes is a widespread health condition affecting millions of people worldwide. In 2021, the International Diabetes Federation (IDF) estimated that approximately 463 million adults between the ages of 20 and 79 were living with diabetes. This number is expected to rise to 700 million by 2045, highlighting the increasing global burden of the disease.
Type 1 diabetes, which is typically diagnosed in childhood or adolescence, accounts for approximately 5-10% of all diabetes cases. It is characterized by the body's inability to produce insulin, requiring lifelong insulin therapy. On the other hand, type 2 diabetes is the most common form, comprising around 90-95% of adult diabetes cases. It is often associated with lifestyle factors such as obesity, poor diet, and physical inactivity. The increasing prevalence of type 2 diabetes is closely linked to the global rise in obesity rates and sedentary lifestyles.
The impact of diabetes is not limited to the physical health of individuals but also extends to economic and social aspects. Diabetes is a leading cause of death and can lead to various complications, including cardiovascular disease, kidney damage, blindness, and nerve damage. It places a significant burden on healthcare systems, individuals, families, and societies as a whole. Promoting awareness, early detection, prevention, and effective management of diabetes are essential to address this global health challenge and improve the well-being of affected individuals.
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WILL MARK BRAINIEST
Which of the following are the functions of the muscular system?
Blood cell production in soft marrow tissues and mineral reserves
Largest organ of the body for defense and support
Vitamin D production and pumping blood through vessels
Voluntary movement and contractile movement
largest organ of body for defence and support
Answer:
Voluntary movement and contractile movement
Explanation:
Functions of the muscular system behold mobility.
The muscular system's main function is to allow movement;
Muscle tendons stretch over joints and contribute to joint stability;
Furthermore:
Posture;
Circulation;
Respiration;
Digestion;
Urination;
Childbirth.
Which measurement is affected by gravity?(1 point)
mass
weight
density
inertia
A natural attribute that ushers the attractive force between the planets, stars, galaxies and light is gravity. All matter gets drawn to each other due to gravitational force.
Measurement affected by gravity is:
Option B. Weight
This can be explained as:
Weight is a gravitational force on any entity exerted and estimated in newtons.The weight of things is dependent on gravity and locations.The weight of an entity on the moon is one-sixth compared to the earth.Therefore, gravity affects the weight of an object.
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Children tend to resemble their parents due to __________
Answer:genetics
Explanation:
Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
are are the two processors that obtain energy
Why do you suppose it took two days for Claudius Caesar to die
Claudius Caesar took two days to die because he suffered from liver failure, which occurred about 15 hours after he ate poisonous mushrooms.
The poisonous mushrooms caused damage to Claudius Caesar's liver cells, leading to liver failure. This meant that his liver and kidneys were unable to filter and detoxify wastes and other harmful substances from his blood, resulting in the development of symptoms such as nausea, diarrhea, and delirium.
Liver failure is a serious condition that can lead to multiple organ failure and death. In Claudius Caesar's case, it took two days for his body to succumb to the effects of liver failure and for him to pass away.
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how does doppler evaluation demonstrate that the pulmonary vascular resistance is normally lower than resistance in the systemic vascular system
a. the flow through the aortic valve reaches peak velocity faster than the flow through the pulmonary valve
b. the aortic flow pattern is more rounded while the pulmonary artery flow pattern is more peaked
c. the flow through pulmonary valve reaches a peak velocity faster than the flow through the aortic valve
d. the pulmonary valve tracing always demonstrates a lower peak velocity than the aortic valve tracing
About Doppler evaluation, the aortic flow pattern is more rounded while the pulmonary artery flow pattern is more peaked.
Doppler evaluation is a technique used to measure the flow of blood in the vessels. It is used to determine the resistance in the pulmonary and systemic vascular systems. Pulmonary vascular resistance is normally lower than the resistance in the systemic vascular system. This is demonstrated by the flow pattern of the aortic and pulmonary valves. The aortic flow pattern is more rounded while the pulmonary artery flow pattern is more peaked. This is because the pulmonary vascular resistance is lower than the systemic vascular resistance, which allows for a faster flow of blood through the pulmonary valve.
Therefore, option B is the correct answer.
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why is it necessary for meiosis to create haploid cells
Answer:
During meiosis, one single parent cell produces four daughter cells. Haploid cells contain half as many chromosomes as their parent cells
Explanation:
Which term describes resistance to change in motion?
A. acceleration
B. inertia
C. net force
D. velocity
Answer:
Newton's second law of motion states that the accelaration of an object is directly proprotional to the force acting upon it. In symbols, we can write this as
\(F= ma\)
Wher F is the force acting upon the object, m is the object's mass, and a is the object's acceleration. We can multiply both sides of this equation by 1/m to get the equivalent equation
\(\frac{1}{m} F= a\)
What happens when we make m higher and higher? Well, that fraction 1/m gets closer and closer to zero. The same force accelarates the object less and less as that object becomes more massive. This consequence of Newton's second law, the resistance of massive objects to changes in acceleration, is called inertia, and it's one of the main expressions of mass in classical mechanics.
Answer:
acceleration
Explanation:
in a prokaryotic cell most ribosomes are
Answer:
floating freely in the cytoplasm.
Explanation:
which of these are part of the scifitific methood
a little summary how ultraviolet light could be the answer to the future outbreak
( Two paragraphs).
Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.
Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.
Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.
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paramecia that live in freshwater (hypotonic solution) have contractile vacuoles, while those that live in saltwater (hypertonic solutions) do not. why do you think this is the case?
Paramecia that live in freshwater have contractile vacuoles, while those that live in saltwater do not, because osmosis operates differently in the two solutions.The water potential of the surrounding environment affects the cells of paramecia, which in turn determines whether they have contractile vacuoles or not.
Paramecia are eukaryotic unicellular organisms that are often found in freshwater. They possess contractile vacuoles that aid in the regulation of water content within the cell. These organelles, which are absent in the paramecia that live in saltwater, remove excess water from the cytoplasm by collecting it in a central vacuole. When the vacuole is full, it contracts and expels the water out of the cell through an opening known as the cytoproct. Freshwater is hypotonic to paramecia, which means that the concentration of solutes inside the cell is higher than the concentration of solutes outside the cell. This causes water to move into the cell, which could lead to it bursting if not for the contractile vacuoles. In contrast, saltwater is hypertonic, which means that the concentration of solutes outside the cell is higher than the concentration of solutes inside the cell.
As a result, water moves out of the cell, and the contractile vacuoles are not necessary. The paramecia in saltwater do not need to worry about osmotic lysis, making the contractile vacuole unnecessary.
In conclusion, paramecia that live in freshwater (hypotonic solution) have contractile vacuoles, while those that live in saltwater (hypertonic solutions) do not, because osmosis operates differently in the two solutions.
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How does creationism go against the teachings/indoctrination of natural selection and fitness?
Answer:
Creationism says that organisms presence is due to the supernatural acts of divine creations.
Explanation:
The concept of creationism is against the teachings of natural selection and fitness because in the concept of creationism, the presence of organisms occurs due to the supernatural acts of divine creations which rejects the concept of natural selection. In natural selection, the best suited organisms in the particular environment due to high compatibility with environmental conditions and those that are not compatible will extinct from the ecosystem.
which of the following describes research that would be considered basic science
Answer:
B. A professor is studying fish
Part 1- The length and width of this piece of leaf surface are both 0.1mm.
Calculate the number of stomata per mm^2 of this leaf surface.
Part 2- a different plant species has 400 stomata per mm^2 of leg surface.
Having a large number of stomata per mm^2 of leaf surface can be a disadvantage to a plant.
Give one disadvantage.
Please help!
Answer:
I) 200 per mm^2
ii) there will be more water loss via transpiration
Explanation:
I) as you can see there are 2 stomata
calculate the area of the surface:
0.1 × 0.1 = 0.01mm^2
2 ÷ 0.01 = 200
Part 1: The number of stomata per mm^2 is 200 mm^2
Part 2: The disadvantage of this seemingly large surface area is that the leaf tends to loss more water by transpiration
Part 1:
How to calculate the stomatal numberFirst, find the area
Area = length * width
Area = 0. 1* 0. 1 = 0.01 mm^2
Stomatal number of a leaf is the average number of stomata per square millimeters of epidermis of the leaf.
Number of stomata per mm^2 = number of stomata / area in mm^2
Note that the number of stomata from the diagram is 2
Number of stomata per mm^2 = 2/0. 01 = 200 mm^2
Part 2:
In a different species with 400 stomata per mm^2 of leaf surface, there would, the disadvantage of this seemingly large surface area is that the leaf tends to loss more water by transpiration
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5% of $20
somebody help me pls
The common ancestor of the Po'ouli and common rosefinch most likely had:a. An A at position 1b. An A at position 16c. A C at position 4d. A T at position 2
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What best defines biodiversity? The variety of traits a species has A group of organisms of one species All the different habitats and ecosystems found around the planet and in outer space All the different plants, animals, fungi, microorganisms, and variety of ecosystems found on Earth
Answer:
All the different plants, animals, fungi, microorganisms, and variety of ecosystems found on Earth
Explanation:
Biodiversity can be broken down into "Biological" and "diversity" which means the how diverse in number and variety is the life found on Earth. Life represents all living organisms like plants, animals, microbes etc.
Based on this, all the different plants, animals, fungi, microorganisms, and variety of ecosystems found on Earth is the option that best defines biodiversity. The other options leaves out the variety (talked about only one species) and biological aspect of the term.
Answer:
The answer is D) All the different plants, animals, fungi, mircroorganisms, and variety of ecosystems found on Earth.
Explanation:
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level.
Explain gestation and give an example of a specific animal's gestation OTHER than a human.
Answer:
Gestation : the process of carrying or being carried in the womb between conception and birth.
Explanation:
Pregnancy in dogs, also called the gestation period, normally ranges from 57-65 days with an average of 63 days. With a planned breeding, you should record the exact date of mating. If there are two matings, make a note of the dates and expect birth to occur between 63 and 65 days later.
Some marine invertebrates hatch from eggs directly to a benthic crawling stage (direct development). Others hatch to a floating form that spends days to weeks in the plankton. Within a species only one developmental type occurs. The species with planktonic larvae are more likely to survive mass extinctions. This is an example of
The given scenario is an example of a biological phenomenon known as larval survival hypothesis. It suggests that marine animals with planktonic larvae are more likely to survive mass extinction events than those with non-planktonic larvae.
During the event of mass extinction, some environments can become inhospitable and toxic for species. The ones that are able to survive are usually those that can quickly adapt and reproduce under such extreme conditions.
This is where the concept of larval survival hypothesis comes in. It explains that during mass extinctions, marine animals with planktonic larvae are more likely to survive than those with non-planktonic larvae. The reason behind this is because the former can quickly disperse to other habitats, while the latter are restricted to their limited range of movement and habitat.
Additionally, species with planktonic larvae are also less vulnerable to local extinction. Because of their wide dispersal, they can easily recolonize depleted areas and recover their populations.
Finally, the developmental type of marine invertebrates is another factor that affects their chances of survival during mass extinction. Species with direct development, which hatch from eggs directly to a benthic crawling stage, are more vulnerable to extinction. This is because their offspring is limited to a narrow habitat range, making them more susceptible to environmental disturbances and changes.
To sum up, the given scenario is an example of larval survival hypothesis. It states that marine animals with planktonic larvae are more likely to survive mass extinction events because of their wide dispersal and ability to recolonize depleted areas. On the other hand, species with non-planktonic larvae and direct development are more vulnerable to extinction due to their limited range of habitat and movement.
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