Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.
Explanation:
Answer:
Explanation:
The major differences between the two systems are evident in the responses that each produces. The somatic nervous system causes contraction of skeletal muscles. The autonomic nervous system controls cardiac and smooth muscle, as well as glandular tissue.
What is the significance of the altered path of the Carrizo Creek?
Answer:
was a former stage station of the San Antonio-San Diego Mail Line
Explanation:
The altered path of the Carrizo Creek is significant as it could impact the ecosystem, human access to water resources, and may be indicative of larger environmental changes. Tracking such changes is crucial for managing land and water resources.
Explanation:The altered path of the Carrizo Creek signifies a change in geographical patterns that could have multiple impacts. An alteration in a creek's path can change its role in the ecosystem, affecting the wildlife and vegetation that depend on it for survival. This is also significant from a human perspective, as it might influence the deployment and management of water resources. For example, if the creek was a primary water source for a community, an altered path could potentially impact their access to water.
Taking note of such changes is central to managing natural resources and could indeed also be indicative of larger environmental changes in progress due to factors like climate change or geographical occurrences. Therefore, the significance of the altered path of the Carrizo Creek could range from ecosystem effects to impacts on human resource management and the tracking of global environmental changes.
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Provide an example of how two populations could become isolated and explain how that isolation could lead to the evolution of a new species.
Final answer:
Habitat isolation can result from geographical changes like floods, leading to nature's forces such as natural selection and mutation driving genetic divergence and eventually the evolution of new species.
Explanation:
Populations can become isolated via a process known as habitat isolation, an essential mechanism leading to allopatric speciation. For instance, if a flood divides a cricket population, these two groups may be stranded in different environments. Without interaction, including reproduction, crucial genetic exchanges cease to occur, and the populations become genetically independent.
As time passes, forces such as natural selection, mutation, and genetic drift contribute to the divergence of the populations. This divergence can lead to significant evolutionary changes, sometimes to the point where the two populations can no longer interbreed, becoming distinct species. An example of a geographical barrier resulting in such isolation could be the formation of a new river or mountain range, separating populations and restricting gene flow.
What DOES NOT happen in Interphase??
The cells are dividing.
The cells are carrying out cellular
processes.
The cells are growing.
The cells are replicating DNA.
Answer:
the cells dividing does not happen in interphase
Explanation:
During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides.
The event that does not occur in Interphase is the actual division of the cell. Instead, the cell grows, replicates its DNA, and prepares for mitosis.
Explanation:Interphase is a phase in the cell cycle where the cell grows, duplicates its DNA, and prepares for mitosis. However, one thing that DOES NOT happen during Interphase is that the cells are dividing. Cell division itself happens during the mitosis phase, not Interphase. During Interphase, the cell is mainly focused on growing and preparing for division by replicating its DNA and carrying out other cellular processes.
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Many plants, such as the potato plant, avoid insect predation by producing highly toxic sap. However, the potato bug, unlike most insects, has adapted to the toxins and can still eat the potato plant. In turn, over a long period of time, potatoes are likely to develop more chemical defenses against the potato bugs.
This type of consistent adaptation between two species is known as
A. co-evolution.
B. commensalism.
C. a reliazed niche.
D. a fundamental niche.
Answer:
Many plants, such as the potato plant, avoid insect predation by producing highly toxic sap. However, the potato bug, unlike most insects, has adapted to the toxins and can still eat the potato plant. In turn, over a long period of time, potatoes are likely to develop more chemical defenses against the potato bugs.
Commensalism is the relationship that exists between both potato plant and potato bug
Explanation:
Commensalism entails relationship between two organisms where one gains and the other does not either gain or lose. The analogy above shows that the insect potato bug gains from the plant but the potato plant does not gain nor lose as a result of this
Answer:
A-Co-evolution
Explanation:
I got the question on UsaTestPrep
list several mutagens that can increase the frequency of mutations
Answer:
Mutagens can be described as substances which cause mutation. Mutations can be described as any changes in the DNA of an organism.
Mutations can be introduced by chemicals or naturally.
Mutagens which can cause mutations are:
X-raysUltraviolet radiationChemical mutagens such as Alkylating agents such as ethylnitrosourea. Certain AlkaloidBromine
This photo shows evidence
of the interaction of Earth's
subsystems. Which of Earth's
subsystems are interacting
during a landslide? Circle all
that apply
A. geosphere
B. biosphere
C. atmosphere
D. hydrosphere
Answer:
Geosphere
Hydrosphere
Explanation:
During a landslide the earths geosphere and hydrosphere are interacting. Landslide is a form of mass wasting by which large mounds of earth moves down slope under gravity.
Landslide is usually triggered by the availability of water which attenuates friction on rock surfaces forcing materials to roll down the slope. It usually occurs after rainfall event.
The water, a component of the hydrosphere acts as lubricant for the earth to move thereby reducing internal friction to nearly zero.
Geosphere and Hydrosphere are interacting during a landslide.
During a landslide, the geosphere and hydrosphere, representing the Earth's solid and water components, interact in a dynamic and often complex manner. The geosphere encompasses the solid Earth, including the soil and rock layers involved in the landslide. Heavy rainfall or the presence of water in the form of groundwater can significantly influence the stability of these geological materials. Excessive water infiltration into the soil can increase its weight, reduce cohesion between particles, and weaken the overall structure, making it more susceptible to sliding.
The hydrosphere, representing the Earth's water bodies, plays a crucial role in triggering landslides. Intense or prolonged rainfall can saturate the soil, leading to increased pore water pressure. This pressure reduces the frictional resistance between soil particles and can initiate slope failures. Waterlogged conditions on hillsides may also lubricate the sliding surfaces, facilitating the movement of soil and rock downslope.
Conversely, landslides can impact the hydrosphere by blocking rivers or streams, leading to the formation of temporary dams and potential flooding upstream. The rapid movement of debris during a landslide can also alter the course of water bodies, impacting aquatic ecosystems.
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How does water distribution on Earth affect settlement of populations?
Answer:
Water distribution on Earth greatly affect settlement of population because water is a necessary item for the survival of living creatures. Without water there is no life. Availability of water increases vegetation and increases the beautification of the area and peoples are attracted to live there.
Those areas where plenty of water is available having maximum population while those areas where water is present in low quantity, the population is also low like deserts.
Final answer:
Water distribution on Earth significantly impacts population settlement patterns, with safe water availability being a critical factor for community prosperity and growth. Urbanization and climate change further influence these patterns, stressing water resources in certain regions, and consequently, economic activities and sustainability of settlements.
Explanation:
Water distribution on Earth plays a vital role in shaping the settlement patterns of populations. Access to safe water is a primary determinant of health and prosperity, influencing where communities can live and thrive. The management and distribution of this key natural resource greatly affect the location and patterns of movement of products, money, and people. For example, regions with abundant freshwater have historically seen the growth of cultural hearths, where agricultural practices and subsequent cultural activities flourished.
Urbanization trends further complicate this picture. As economic development continues, many rural populations migrate to urban areas in pursuit of better educational and job opportunities, leading to increased stress on the water resources in these regions. Climate change is exacerbating this issue, causing many to relocate from endangered regions such as sub-Saharan Africa due to water scarcity.
Settlement patterns have also been influenced by factors like economic development, transportation, and the availability of resources, leading to vast differences in population distribution between urban and rural areas, as well as within regions of varying water abundance. The social and economic activities related to water distribution also impact the sustainability of settlements and the quality of life for the residents.
Which elements make up a water molecule?
A).hydrogen and nitrogen
B).oxygen and nitrogen
C).oxygen and carbon
D).hydrogen and oxygen
Answer:
D). hydrogen and oxygen
Explanation:
A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre. The difference between atoms is expressed by atomic numbers.
how did oxygen levels in the atmosphere reach current levels?
Explanation:
This occurred due to the evolution of photosynthetic organisms billions of years ago. Remember photosynthetic organisms take up carbon dioxide and evolve out oxygen as a byproduct in photosynthesis. The proliferation of these organisms caused a change in the atmospheric composition by taking out carbon dioxide and increasing oxygen. This event is known as the Great Oxygenation Event. This also caused a reduction in temperatures in the earth’s atmosphere because of carbon dioxide, which is a greenhouse gas, reduced drastically.
how does the moon’s appearance change as the moon revolves around earth
Answer:
We only see the Moon because sunlight reflects back to us from its surface. During the course of a month, the Moon circles once around the Earth. If we could magically look down on our solar system, we would see that the half of the Moon facing the Sun is always lit. But the lit side does not always face the Earth!
Explanation:
Answer:
At first the Moon is dark. Then the Moon is a thin sliver [crescent]. Then half of the Moon is lit up. Then most of the Moon is lit up. Then the Moon is full. After that the Moon is mostly lit up, then half lit up, then a thin sliver, and finally completely dark again
Explanation:
In southern Arizona, in the Chiricahue Mountains, there are species of toads that live aciya
the top of individual mountains. Because these toads have adapted to the elevation as tops
of these mountains, they have become reproductively isolated from all other species of toad
within that mountain range.
Answer:
Geographic isolation
Explanation:
Geographic isolation can be described as a term that describes the model of speciation in which a biological population becomes isolated from other members of the population and can no longer have gene flow with them.
The same scenario of gene isolation is occurring in the species of taods which live at the top of the mountains in southern Arizona. This population has become reproductively isolated fro all other species of toads within the mountain range.
how does DNA testing in real course compare to tv.
Answer: TV isnt always real, DNA testing in real life is real.
Explanation:
What is a good site to use for writing a science essy on mescosoms? And one that has an author? Please Help me out here!!!
Answer:brain pop
Explanation:
its all science
Which of these is an acceptable approach to major forestry issues?
A) clear-cutting to provide for industry and spur new growth
B) logging near rivers for transport but having stream protection zones
C) certification of a forest as well-managed versus sustainable
D) allowing no recreational use in a national forest
Answer:
Which of these is an acceptable approach to major forestry issues?
certification of a forest as well-managed versus sustainable
Explanation:
when forest are certified, it enables users to be aware of every rules and regulations and strict compliance of such, also it protects the biodiversity of organisms as no one has veto power to cut timbre unnecessarily or kill any wild animals
Answer:
C) certification of a forest as well-managed versus sustainable
Explanation:
took the test and got it right!
How many arms does a octopus have
Answer:
8
Explanation:
beacue they are just like that
Answer:
6 arms
Explanation:
Q.9. In volcanic areas, groundwater heated by magma is a source of _____
energy
a) solar
b) hydroelectric
c) biomass
d) geothermal
Q.10. What is the largest and most active volcano in the world?
a) Olympus Mons
b) Mount Ruiz
c) Mauna Loa
d) Mount Vesuvius
Q.11.
_____ forms when repeated lava flows build up a broad, gently
sloping mountain, like Mauna Kea in Hawaii.
a) Cinder cones volcano
b) Composite volcano
c) Shield volcano
d) Lava dome volcano
Answer:
Explanation:
D) geothermal
C) Mauna Loa
D) Lava dome
Answer:
Correct answers are below.
Q.9. In volcanic areas, groundwater heated by magma is a source of _____
energy
D., or "geothermal".
Q.10. What is the largest and most active volcano in the world?
C., or "Mauna Loa".
Q.11.
_____ forms when repeated lava flows build up a broad, gently
sloping mountain, like Mauna Kea in Hawaii.
C., or "Shield volcano".
Are plants a prokaryote or eukaryote
Answer:
Plants and Animals are Eukaryotes
Explanation:
Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike prokaryotes (Bacteria and Archaea), which have no membrane-bound organelles.
Answer:
Eukaryote
Explanation:
Due to a Eukaryote being a cell with a nucleus and other parts it would include mammals plants and fungi a prokaryote is a single celled organism which consists of bacteria and cyanobacteria
What happens to sister chromatids in meiosis II? *
In meiosis II, sister chromatids in the haploid cells formed from meiosis I are separated, resulting in four genetically distinct haploid cells. This process closely resembles mitotic division, with anaphase II being the stage where sister chromatids are pulled toward opposite poles of the cell.
During meiosis II, the process involves the separation of sister chromatids that are present in the haploid cells formed from meiosis I. This essential step concludes with the creation of four unique haploid cells, each carrying a single set of genetic information. The stages of meiosis II run in parallel for the two cells that resulted from meiosis I. One noteworthy fact is that meiosis II is akin to the mitotic division observed in haploid cells. After progressing through stages such as prophase II and prometaphase II, the cell reaches anaphase II.
In anaphase II, kinetochore microtubules pull the sister chromatids apart, ensuring that they migrate toward opposite poles of the cell. Consequently, each chromatid now becomes an individual chromosome. The non-kinetochore microtubules function to elongate the cell during this phase. The separation in anaphase II results in the presence of 23 chromosomes at both poles of the cell.
If sister chromatids do not separate properly during meiosis II, it may lead to the production of abnormal gametes, with one gamete containing an extra copy of the chromosome and another lacking it altogether.
Which statement describes both predators and parasites?
A. They attack living organisms.
B. They live inside another living organism.
c. They feed on pieces of dead animals.
D. They kill animals for food.
Answer:
Which statement describes both predators and parasites?
They attack living organisms.
Explanation:
Both parasites and predators causes harm to other organism which might eventually lead to the death of the host as in the case of parasite and prey as in the case of predators. They both attach living organism for survival
some seeds contain fluffy parachute like structure.give reasons.
Seeds with fluffy parachute-like structures enable wind dispersal for effective seed distribution.
Seeds with fluffy parachute-like structures have evolved a specialized adaptation for wind dispersal, a mechanism crucial for effective seed distribution and colonization of new areas. This strategy increases the chances of seeds reaching favorable environments for germination and growth. The fluffy structures, often referred to as pappus or tufts of fine hairs, create a large surface area that catches the wind, allowing the seeds to be carried over considerable distances from the parent plant.
This mode of dispersal is particularly advantageous for plants inhabiting open landscapes where wind currents are prevalent. By harnessing the power of the wind, these seeds can achieve greater mobility and escape competition with neighboring plants, ultimately enhancing the species' survival and expansion in diverse ecological settings.
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Which two claims are based on science?
4 of 11 QUESTIONS
The data gathered from seaside laboratories around the world show that
global sea levels have risen.
Earth's temperature must be rising, because winter sports are less
popular than in the past.
Many people worry that increased global temperatures will cause their
businesses to lose profits.
Temperature measurements show that many climates are warmer than
they were in the past.
- Many people worry that increased global temperatures will cause their
businesses to lose profits.
(IT IS SCIENTIFIC)
- Temperature measurements show that many climates are warmer than
they were in the past.
(IT IS ALSO SCIENTIFIC)
Answer:
"The data gathered from seaside laboratories around the world show that
global sea levels have risen" and "Temperature measurements show that many climates are warmer than they were in the past" both are answers based on scientific research.
Explanation:
How do cells replicate
Answer:
meiosis and mitosis?
Explanation:
please answer this correctly i need help! read carefully!!
What happens to the volume of a gas in a closed container if the temperature increases, but the pressure remains the same? Explain.
Answer:
The volume of a gas increases when it is placed in a closed container if the temperature increases, but the pressure remains the same. There is a direct relationship between volume and temperature. When one is increase, the other is automatically increased. Molecules of gases expands when temperature is increased. Due to expansion of gas molecules, the gas molecules occupy more space and so volume of gas particles increases.
How did the increasing amounts of oxygen in earth atmosphere allow organisms to live on land
Answer:
The increasing amounts of oxygen in earth atmosphere allow more growth of blue green algae.
Oxygen is present about 21 % in the earth atmosphere. Oxygen is important for the survival of living organisms because every living cell needs oxygen for respiration. In respiration, food molecules are broken down to produce energy with the help of oxygen. This energy is used by the cell in different processes.
Final answer:
The accumulation of oxygen in Earth's atmosphere, largely due to photosynthesis by cyanobacteria, enabled the evolution of aerobic organisms and the colonization of land by protecting organisms from ultraviolet radiation through ozone formation.
Explanation:
The increase in amounts of oxygen in Earth's atmosphere was critical for the colonization of land by organisms. Early on, Earth's atmosphere was anoxic, which means it had no molecular oxygen, and only anaerobic organisms could thrive. However, the advent of photosynthesis, particularly from cyanobacteria, began to alter the atmosphere by increasing oxygen levels. This oxygenation process facilitated the development of more efficient, oxygen-utilizing catabolic pathways in organisms. Furthermore, a portion of the atmospheric oxygen was transformed into ozone (O3), which plays a vital role in absorbing harmful ultraviolet light, thus protecting land-dwelling organisms from DNA-damaging mutations. Over time, these conditions allowed for a diversity of life forms to evolve and utilize the organic materials produced by plants, leading to a significant increase in animal population and diversity on land.
At which point in the graph has the population reached carrying capacity?
A.) Point D
B.) point A
C.) point C
D.) point B
A. Point D
Explanation:
Because I have eyes lol
At point D graph has the population reached carrying capacity.
What is carrying capacity?Another way to think of carrying capacity is as the population size at which the population growth rate is zero. Contrast it with the phrase equilibrium population, which is characterized as a population in which the gene frequencies have achieved equilibrium between mutation pressure and selection pressure.
Carrying capacity in archeology refers to the number and density of prehistoric inhabitants that a particular location could support. In this branch of study, the carrying capacity of an environment is determined by the maximum population for a specific time period.
But historical research shows that the idea that the human population would eventually reach its maximum size is very uncommon. The majority of the time, human population density changes.
Therefore, At point D graph has the population reached carrying capacity.
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What does a biologist study?
O
A. The history of ideas
O
B. The living world
C. Weather patterns
D. Subatomic particles
Answer: B. The living world
Explanation: Generally speaking, biologists study humans, animals, plants and bacteria to gain a better understanding of how the body and nature works
Answer:
The answer is B.
Explanation:
A biologist is a scientist who studies life, specifically organisms and their relationship to their environment. Generally speaking, biologists study humans, animals, plants and bacteria to gain a better understanding of how the body and nature works, and how external factors may influence each organism.
Paramecia are single -celled organisms that reproduce sexually and asexually . How is a paramecium able to reproduce sexually ?
(1 ) by breaking into different pieces that grow into adults
( 2) by splitting in half to form two identical paramecia
(3 ) by exchanging genetic material with another paramecium
( 4) by acquiring new genes through mutation
oooooooooooooooooooo
Answer:
binary fission.
Explanation:
What is happening to the doubled chromosomes in step 3 and 4?
Explain how energy impacts the quality of life for individuals and society.
Answer:
The increasing demand of energy affects the quality of life.
The more the use of energy, the more reliable and easier the life will be for an individual. A society which has more usage if energy will be more developed.
If energy, such as light, is not present in a society than the individuals will have trouble and will not be able to live a more simpler life.
The quality of life is greatly impacted by the amount of energy that is used by each individual as well as each society.
Final answer:
Energy availability greatly influences the quality of life, enabling convenience and economic growth in energy-rich societies while posing environmental, health, and social challenges. In contrast, energy-poor regions struggle with economic development and achieving a basic quality of life. Addressing these disparities and impacts is essential for a sustainable global future.
Explanation:
Energy profoundly impacts the quality of life for individuals and society as a whole, serving as a foundational element in modern civilization. Abundant energy availability enables the technological advancements and conveniences that characterize high standards of living in industrialized nations. However, energy production and consumption also have significant environmental, social, and political implications.
For societies in industrialized countries, energy consumption facilitates economic prosperity, powers a myriad of appliances that simplify daily chores, and supports systems that promote health and well-being. Yet, this energy-rich lifestyle is not without consequences. The extraction and usage of energy resources, including fossil fuels and nuclear power, can lead to environmental degradation, health hazards from pollution, and complex socio-political challenges such as civil unrest and global conflict over energy supplies. Renewable energy sources offer some solutions but also come with their own environmental and economic costs.
On the other hand, energy-poor regions face significant challenges. Lack of access to reliable energy sources limits economic growth, exacerbates poverty, and constrains the basic quality of life. Efforts to provide sustainable, affordable, and clean energy solutions are crucial for improving living conditions and promoting social equity worldwide.
Who was the scientist who discovered the rule of base pairing
Answer:
Erwin Chargaff
Explanation: