What three processes happen in every geological period?

Answers

Answer 1

Answer:

Mass extinctions, Wegenerian cycles, and the emergence of new life forms

Explanation:

Answer 2

Answer:

The correct answer is mass extinctions, Wegenerian cycles, and the emergence of new forms of life.

Explanation:

Every geological period is featured by the occurrences of Wegenerian cycles, mass extinction, and the origination of novel forms of life. The boundaries of the majority of geologic periods are generally mass extinction periods and this mass extinction stimulates the formation of new forms of life.  

At the time of the geologic period, an array of tectonic activities plays an essential part as a consequence of the internal functioning of the Earth. The splitting of the continents takes place and arising of new landform at the plate boundaries takes place. This is termed as Wegenerian cycle.  


Related Questions

Help ASAP plzzzzzzzzzz

Answers

Answer: all of the above

Explanation:

All of them are non-renewable sources, so all of the above !

DNA is copied, in a process called _______, so that a cell's DNA can be passed on to its daughter cells. A. recombination B. replication C. gene expression D. gene editing

Answers

Answer:

B

Explanation:

replication is like saying "copying"

DNA is copied, in a process called B. replication so that a cell's DNA can be passed on to its daughter cells.

What is the process of copying DNA?

replication

replication is the process of copying a double-stranded DNA molecule to produce two identical DNA molecules. DNA replication is one of the most basic processes that occur inside the cell. The separation of two single strands of DNA creates a "Y" shape called a "replication fork".

The two separated strands serve as a template for creating new strands of DNA. One of the strands is oriented in the 3'to 5'direction

DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because whenever a cell divides, the two new daughter cells must contain the same genetic information or DNA as the parent cell.

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Describe at least 5 ways we can reduce or stop the use of plastics in our daily life

Answers

Stop using plastic straws, use paper bags, use reusable water bottles, recycle, use metal silverware

Teddy is explaining to his class that hydrothermal vents form isolated ecosystems. Which point should he explain? A. The organisms of the hydrothermal vent do not interact with the organisms of different ecosystem. B. The organisms of the hydrothermal vent are a part of other food webs. C. There is a continuous input and output of energy and materials in the hydrothermal vent. D. Sunlight plays a vital role in the hydrothermal vent ecosystem.

Answers

Answer:

A. The organisms of the hydrothermal vent do not interact with the organisms of different ecosystem.

Explanation:

An hydro-thermal vent can best be described as an isolated ecosystem or a sort of closed ecosystem. Most of the organisms here do not interact with the larger ecosystem for survival and are not interdependent on them.

In an hydro-thermal vent, life here is supplied with thermal energy that originates from within the crust or the reaches of the core. Since organisms here would thrive regardless of solar radiation, they can produce a sort of localized food web within and would not associate with other ecosystem for survival.

Isolated ecosystems are therefore self-sustaining systems that would not depend on resources from other ecosystems.

60 POINTS AND BRAINLIEST IF ANSWERED WITH EXPLANATION



_____ produce and secrete antibodies.


macrophages


phagocytes


B lymphocytes


T lymphocytes

Answers

Answer:

B lymphocytes

Explanation:

Soooo B lymphocytes, are a type of white blood cell of the lymphocyte subtype. They function in the humoral immunity component of the adaptive immune system by secreting antibodies.

Answer:

B lymphocytes

Explanation:

Which of the following body parts has involuntary muscles?

A.Arm
B.Face
C.Intestine
D.Leg

Answers

Answer:

intestine has involuntary muscles

Answer:

intestine

Explanation:

The maximum number of individuals of a population that can be sustained indefinitely
by a given area is known as the area’s:

Answers

Answer:

Carrying Capacity  

Explanation:

The carrying capacity is the maximum number of individuals that can be indefinitely sustained by a given area, taking into account the available resources. Carrying capacity dictates growth rates and stability of populations, and it is closely tied to management practices such as maximum sustainable yield.

The term carrying capacity considers the amount of available resources such as food, water, shelter, and space. When a population approaches its carrying capacity, the growth rate slows down, and if the population reaches carrying capacity, it stabilizes as the resources are fully utilized.

The concept of maximum sustainable yield is related to carrying capacity, representing the greatest number of individuals that can be harvested from a population without causing detriment to the population's ability to sustain itself. The carrying capacity thus plays a crucial role not only in environment conservation but also in resource management and sustainable harvesting practices.

DNA replication results in

Answers

Answer:

results in two dna molecules

Explanation: one dna chain is new with older chain of nucleotides

Final answer:

DNA replication is a semiconservative process that results in two identical copies of DNA from the original molecule. Though highly accurate, errors can occur leading to mutations and potentially serious consequences such as cancer. Cells have repair mechanisms to correct these errors.

Explanation:

DNA replication, a biological process that occurs in all living organisms, leads to the production of two identical copies from one original DNA molecule. This process is fundamental to life as it ensures that when cells divide, each new cell has its own copy of the DNA.

DNA replication is called semiconservative because the resulting DNA molecule consists of one old (parental) strand and one new (daughter) strand. Several enzymes, like DNA polymerase and helicase, are involved in this process to ensure the accurate copying of the DNA sequence.

However, in rare cases, mistakes can occur during the DNA replication process, leading to mutations. Uncorrected errors in the DNA sequence can lead to serious consequences such as cancer. Fortunately, cells have repair mechanisms to correct these mistakes. If the repair enzymes themselves are mutated or defective, this can lead to a higher rate of mutations.

Overall, DNA replication is an essential and highly regulated process that ensures the accurate duplication of the genetic material in a cell before it divides. This is vital for the growth, development, and reproduction of all organisms.

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Plate divergence is best described as a/an _______ process.

Answers

Answer: Plate divergence is best described as a taphrogenic process.

Explanation:

Answer:

Taphrogenic process

Explanation:

Taphrogenic process is defined as the process by which the continents move apart, forming a rift, that eventually leads to the formation of an ocean basin. It is often associated with faulting and subsidence of rocks. It was first introduced by a German geologist named Henning Illies, who studied on the formation of rifts.

This process occurs in a divergent plate boundary, where the two plates move in the opposite direction, where the main driving force of this plate motion is the convection current that forms in the mantle.

Thus, the plate divergence can be considered as a taphrogenic process.

In recent years the golf course has been relocated, and efforts have been made to clean up the effects of runoff to return Lake Ray
to its original conditions. This was done so that the walleye's numbers might increase
This sort of effort is known as
A.
habitat restoration
B. reforestation
• C. repopulation
D.
spear fishing

Answers

Answer: The answer is habitat restoration

Explanation: Trust me

This sort of effort is known as habitat restoration.

What do you mean by Habitat?

Habitat may be defined as a type of natural environment for which a particular species is best adapted due to natural selection.

Habitat restoration is a process through which the number of any population may increase as a result of various efforts made by humans.

Reforestation is the growth of new trees in the bare area, repopulation is something that increases the numerical size of organisms of a particular species.

Therefore, the correct option for this question is A i.e. habitat restoration.

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Use the phylogentic tree to answer the following question

Which two species are closely related

A) Canis latrans & Canis lupus

B) Lutra lutra & Canis latrans

C) Panthera & Canis lupus

D) Panthera pardus & Taxidea taxus

Answers

Answer:

A)Canis latrans and Canis lupus

Explanation:

The answer is A.........



Which of the following graphs use symbols to communicate data?
bar graph
line graph
pictograph
pie chart

Answers

Answer is .Pictograph.

A pictograph uses Symbols/signs/pictures to represent/communicate/symbolise Data.

Hope it helps...

Regards;

Leukonov/Olegion.

Answer:

PICTOGRAPH

Explanation:

A population of squirrels lives in a mature forest in Virginia's Great Dismal Swamp. After a hurricane, 90% of the oak trees are destroyed by the rains and high winds. Which graph best illustrates the impact the loss of oaks on the squirrel population?
A) Graph A
B) Graph B
C) Graph C
D) Graph D

ANSWER IS B) GRAPH B

Answers

The correct answer is B since it shows a decline.
But why put the answer ? Lol

Answer: Option B Graph B

Explanation:

The population of squirrels live in the mature forests situated in Virginia's Great Dismal Swamp.

Due to high winds and rains more than 90 per cent of the trees were destroyed due to this weather condition.

The population of squirrel was decreasing as there was decline in trees. Graph B represents the decline in population of squirrel .

In the last ice age, most of Alaska was _____.

part of the Mammoth steppe

moving toward Europe

underwater

covered by ice

Answers

i believe the answer would be covered by ice.

During the last ice age, most of Alaska was covered by ice due to large ice sheets. Human migration from Siberia to Alaska was facilitated by lower water levels. Option d is correct.

During this time, large ice sheets covered parts of North America, including Alaska, due to the Earth being in the most recent ice age.Humans were able to migrate from Siberia to Alaska by crossing over the land bridge between the continents that had been revealed by dropping sea levels as massive glaciers formed all over the world.This migration occurred as a result of lower water levels during the Ice Age, allowing for the connection between Asia and North America through the Bering Strait, forming the basis for human settlement in Alaska.

Complete question as follows:

In the last ice age, most of Alaska was _____.

a. part of the Mammoth steppe

b. moving toward Europe

c. underwater

d. covered by ice

A vertical feeding pattern is _____.

Answers

A vertical feeding pattern is a way for animals to avoid competition.

Answer:

a way for animals to avoid competition

Explanation:

List three natural forces that are both constructive and destructive. Give examples of each. Explain how they are constructive and destructive
WILL GIVE BRAINLIEST
50 points too!!!
NEED ASAP

Answers

Answer:

eathquakes  open up ground but also break stuff

tornado kill stuff  but clear land

fire kills stuff but clears land

Explanation:

Answer:

look at the awnser above mine ;)

Explanation:

What is the most appropriate way to present the data below?

A.bar graph
B.chart
C.line graph
D.pie graph

Answers

Answer:

bar graph

Explanation:

Answer: Option A."Bar Graph"

Explanation:

The best way to represent the given data is bar graph.

A bar graph is represented with rectangular bars which changes as per the comparative values or data.

Bar graphs are generally used to analyse the small or large changes in the data (variables) with respect to the changing time.

Hence, for the given data, weeks can be plotted on x-axis (time ) and plant mass (variables) can be plotted on y-axis in a bar graph.

which discovery did Gregor Mendel make?​

Answers

Answer:

Traits are inherited independently of each other.

Explanation:

when an ecosystem moves from primary to secondary succession of plant species, which most likely declines?

Answers

Final answer:

In secondary succession, early pioneer species such as grasses and mosses decline as intermediate species like shrubs and small trees take over and eventually move towards a mature climax community.

Explanation:

When an ecosystem moves from primary succession to secondary succession of plant species, the types of species that most likely decline are the early pioneer species such as grasses and mosses. Secondary succession occurs in an area where a disturbance has occurred, leaving the soil intact. This soil retains nutrients that allow for rapid recolonization by various plant species. Over time, as intermediate species like shrubs and small trees establish themselves, they change the microenvironment and outcompete the early pioneer species, leading to their decline.

The transition from the early fast-growing, sun-loving pioneer species to more shade-tolerant intermediate species results in a shift in the plant community structure. The pioneer species are adapted to conditions of full sunlight and disturbed soil; however, as the intermediate species grow taller and create more shade, conditions become less favorable for these sun-loving plants.

Consequently, there is a marked decline in these species as the ecosystem moves towards a climax community, characterized by a stable and mature community of plants and trees typical of the particular region and climate.

This disease with high blood sugar is hypoglycemia. True or false

Answers

Final answer:

Hypoglycemia is not a disease with high blood sugar; it refers to low blood sugar levels. High blood sugar levels are known as hyperglycemia, which is a symptom of diabetes.

Explanation:

The statement is false. Hypoglycemia refers to low blood sugar levels, not high blood sugar levels. High blood sugar is known as hyperglycemia, which is a characteristic symptom of diabetes.

In diabetes, either the body does not produce enough insulin or the cells do not respond properly to insulin. Insulin is a hormone that helps cells take up sugar from the blood, so without enough insulin, blood sugar levels can become elevated, leading to hyperglycemia.

Therefore, hypoglycemia is the opposite of hyperglycemia and refers to low blood sugar levels.

What kind of pollution was the most abundant in the US national parks? How did this pollution affect park wildlife and ecosystems?

Answers

Answer:

The most prominent kind of pollution during 1989 was air pollution, as several of the country's national parks were hiding behind the air pollution curtains. The pollution started to decline biodiversity as various species were vacating the polluted regions for the cleaner ones, as they were not able to thrive in such circumstances. Due to this some plants even died like Jeffrey pine trees in Sequoia. The biological diversity was at threat as scientists had observed that acid rain and ozone depletion were making the things even worse.

Final answer:

The most abundant pollution in US national parks has been air and water pollution due to industrialization, increased population, and urbanization. This pollution affects aquatic life and can lead to 'dead zones', the reduction of biodiversity, and habitat destruction. Air pollution contributes to the deterioration of air and soil quality, causing harm to both animal and plant life.

Explanation:

The most abundant pollution in the US national parks has historically been a mix of air and water pollution. Industrialization, increased population, and urbanization have been the major sources of this pollution. In fact, in 1969, water pollution was so dire that the Cuyahoga River in Ohio actually caught fire.

These forms of pollution have significant impacts on park wildlife and ecosystems. Pollutants in the water can harm aquatic life, creating 'dead zones' unable to support life. As these pollutants travel up the food chain, they can harm predators that consume the affected organisms. Over time, the accumulation of water and air pollution can lead to habitat destruction and reductions in biodiversity.

In the case of air pollution, elements like lead and other harmful chemicals from the burning of fossil fuels can contaminate the air and soil, leading to the degrading health of both animals and plant life. The impacts of these forms of pollution are long-lasting and damage the natural beauty of these protected areas.

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Which statement about natural selection is true?

Answers

Answer: cNatural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.  

Common choice is the differential survival and proliferation of people due to contrasts in the phenotype. Phenotypic qualities supports the survival of certain living beings in the populace superior to other people. Model given by Darwin populace of hued creepy crawlies green and red having a place with same animal groups. Green ones copy the shade of grass not seen by flying creatures but rather red ones were seen and eaten by winged creatures. This is the determination naturally for more qualified people. Green shading gave the survival bit of leeway to these scarabs which is a phenotypic trademark in this manner, they will deliver a larger number of offsprings than the red ones and furthermore pass on the phenotypic characteristic to their offsprings.

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

What description best explains why viruses can become more pathogenic to host that were not affected by the virus before?

Answers

Final answer:

Viruses can increase their pathogenicity to previously unaffected hosts through rapid viral reproduction which often causes mutations, antigenic drift and shift that produce new strain variants, and the ability to bind to new cell surface receptors in different hosts.

Explanation:

Viruses can become more pathogenic to hosts that were not previously affected due to a combination of viral reproduction, antigenic drift and shift, and the ability of viruses to bind to new cell-surface receptors on different hosts. Viral reproduction can happen rapidly, often leading to errors that create changes in newly formed viruses. These changes can evolve such that the viral proteins bind to receptors in a new host, thus increasing pathogenicity.

Additionally, antigenic drift and shift, two mechanisms of viral genetic changes, can produce new strain variants that previous immunity may not protect against. For instance, the influenza virus can undergo antigenic shift, leading to new, potentially more virulent strains.

Lastly, the ability of a virus to bind to new cell-surface receptors on different hosts significantly affects its virulence. When a virus 'jumps' the species barrier due to changes in its binding properties, it may cause infections in a new host.

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What statement about antibody is true?

A it is a carb molecule
B it is only found in the human body
C it is target specific
D it is formed by covalently linking 3 peptides together

Answers

Answer:

The correct answer option is C. They are target specific.

Explanation:

We are to determine whether which of the given statements is true about antibody.

Antibodies are a type of proteins which are present in the body to defend the foreign attacks that are in the form of antigens.  

These proteins have a basic structure which consists of two pairs of polypeptide chains that are linked covalently via disulfide bonds.

Each antibody recognises one specific antigen and this feature is called as antibody specificity.

what is the process of photosynthesis???​

Answers

Answer:

The process of photosynthesis is when plants take in co2, sunlight and water which it needs to live. and it gives out oxygen and its food glucose

Explanation:

Answer:

Photosynthesis is the process with which plants transform sunlight into nutrients. It takes place within the thylakoids membrane and stroma of the plant’s chloroplast.

Photosynthesis can be broken down into 2 reactions:

1.) Light-dependant reaction- reaction that requires sunlight and occurs in the thylakoids of the chloroplast.

Reactants: H2O (water), sunlight, NADP+, ADP, and +Pi —> Products: O2, ATP (energy), and NADPH.

2.) Light-independent reaction (aka Calvin Cycle)- reaction that occurs in the stroma of the chloroplast and does not require sunlight because ATP (energy) was formed in the previous reaction.

Reactants: CO2, ATP (energy), and NADPH —> Products: CH2O, NADP+, ADP, +Pi

SO the main reactants of photosynthesis are Light, H2O (water), and CO2 —> the main products of photosynthesis are O2 and CH2O

what is an organelle?

Answers

Answer:

A small structure within the cell that serves speciallzed functions.

Hope this helps

:D

Answer:

A. A small structure within the cell that serves specialized funtions.

Explanation:

How are mitosis and binary fission similar?
A.
They produce identical daughter cells.
B.
They occur only in prokaryotes.
C.
They involve division of nuclei as well as cytoplasm.
D.
They occur only during sexual reproduction.

Answers

Answer:

A. They produce identical daughter cells.

Explanation:

Mitosis and binary fission produce daughter cells that are identical to each other and to the parent cell.

The other choices are what makes them different from each other. Binary fission occurs in prokaryotes, while mitosis occurs in eukaryotes.

What is the direct source of the energy used to attach a phosphate group to adenosine disphosphate?

Answers

Answer:

Phosphorylation.

Explanation:

It's a chemical energy to be transferred in living cells. During cellular respiration, the energy released by the gradual breakdown of food molecules is used to attach a third phosphate to ADP to this changes the ATP molecule to molecule of ATP.

How does a theory develop? Consider the development of the theory of evolution over the centuries. All of the statements below except one provides supportive evidence for the theory of evolution.

A)The fossil record indicates change in earlier species to more modern species.

B)Anatomical similarities such as homologous structures and vestigial organs point to evolution of life forms.

C)The geography of Earth has changed over the millennia and if the geography has changed, we know that life forms must have changed as well.

D)Artificial selection provides a model that helps understand natural selection and we can envision natural conditions acting selectively on populations to cause evolution.

Answers

Answer:

The correct answer is C)The geography of Earth has changed over the millennia and if the geography has changed, we know that life forms must have changed as well.

I just took the USATestprep test so I can guarantee this.

Good luck!

The geography of Earth has changed over the millennia and if the geography has changed, we know that life forms must have changed as well. Thus, the correct option is C.

What is the theory of evolution?

Evolution is the process of change in all the life forms over different generations. Evolutionary biology is the study of how evolution has occurred. Biological populations evolve through the genetic changes which correspond to changes in the organisms' observable traits.

Charles Darwin's theory of evolution states that evolution happened by the process of natural selection. Individuals in a species show variation in the physical characteristics which helps in better survival of the population. This variation is because of the differences in the genes. Fossils are the evidence of evolution.

Therefore, the correct option is C.

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Invasive species in California



Please !!!!!!!!!! someone answer this

Answers

An invasive plant species is the Acacia melanoxylon- black acacia

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