A remote island in Lake Superior is uninhabited by humans. The primary mammal populations are white-tailed deer and wolves. The island is left undisturbed for many years, with plenty of vegetation. Circle the best choice to complete the statement about what will happen to the average populations of the animals in the stable ecosystem over time. On average, the populations of deer and wolves will fluctuate, but: *
Answers
Answer:
It will go up and down and might go straight up or straight down.
Explanation:
Related Questions
Which of the following is a main difference when comparing an animal cell and a plant cell?
Plant cells lack cell walls and form fixed shapes.
Animal cells have chloroplasts and mitochondria.
Animal cells lack cell walls and are irregular in shape.
Plant cells have one vacuole, produce chloroplast, but do not have mitochondria.
Answers
Answer:
I think the answer is animal cells lack cell walls and irregular in shape animals do not have chloroplast because they do not manufacture their own food so chloroplast is only found in plants plants have cell walls
Answer:
its C
Explanation:
The atomic number of an element
Answers
According to the research, the correct answer is that the atomic number of an element is usually denoted by the letter Z and represents the stable compound particles of a positive elementary charge.
What is the atomic number ?It is a total number of the smallest particles that make up the atom with a positive electric charge that is denoted with the letter "Z" that make up the atomic nucleus of a certain chemical element.
In this sense, each chemical element has a different atomic number, although its chemical way of behaving is established by the electrons that orbit around its nucleus.
Therefore, we can conclude that according to the research, the atomic number presents the different amounts of protons in the atoms of different elements.
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What day does summer begin in the southern hemisphere
answer options:
A. June 21
B. March 21
C. December 21
D. September 21
Answers
Answer:
The answer is C December 21
Explanation:
Answer:
June 21 trust me i got it right on edge
Explanation:
Select the bacterial group below that does not form spores
a. Clostridium botulinum
b. Bacillus anthracis
c. Escherichia coli
d. Clostridium difficile
Answers
Answer:
b
Explanation:
Discuss the importance of data when observing something like the outbreak of cholera or even the outbreak of COVID-19, when using the scientific method.
Answers
Data is crucial when observing outbreaks of diseases like cholera and COVID-19 because it helps identify patterns and trends in the spread of the disease. In order to understand the epidemiology of a disease, scientists need to collect and analyze data on factors such as the number of cases, the location of cases, etc.
During the cholera outbreak in London in 1854, physician John Snow collected data on the location of cholera cases and the source of their drinking water. By mapping the cases and the water sources, Snow was able to identify a contaminated water pump as the source of the outbreak. His data-driven approach helped to establish the link between contaminated water and the spread of cholera and led to improved sanitation practices that reduced the incidence of the disease. Similarly, during the COVID-19 pandemic, data on the number of cases, hospitalizations, and deaths has been critical in tracking the spread of the disease and informing public health responses.
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Areas most affected are coastal marshes, shorelines, mangrove forest, and coral reefs.
True of False?
Answers
Answer:
I am pretty sure ir is true
Explanation:
costal marshes are where high level of other life like fish and insect are
Match the following.
1. mutation
2. reproduction
3. population
4. generation
5. genotype
6. phenotypes
7. phenotype
Natural selection is differential______among individuals in a______due to differences in_____, which are said to be adaptive. Individuals with the adaptive______have a reproductive advantage (increased reproductive fitness); therefore, they contribute a disproportionately high number of progeny to the next_____. The adaptive_____and the underlying_____will increase in frequency in the______over time.
Answers
Answer:
reproduction
population
phenotypes
phenotype
genotype
genotype
mutation
generation
Explanation:
Natural selection is differential reproduction among individuals, in a population due to differences in phenotypes, which are said to be adaptive.
Individuals with the adaptive phenotype have a reproductive advantage (increased reproductive fitness); therefore, they contribute a disproportionately high number of progeny to the next genotype.
The adaptive genotype and the underlying mutation will increase in frequency in the generation over time.
If you soak your hands in dishwater, you may notice that your skin absorbs water and swells into wrinkles. This is because your skin cells are ______ to the _______ dishwater. Question 16 options: hypotonic....hypertonic hypertonic.....hypotonic isotonic.....hypotonic hypertonic....isotonic
Answers
Answer:
Hypertonic...hypotonic
Explanation:
Hope this helped, Have a Wonderful Day!!
One animal cataloged on the 1)Endangered list is the Sumantran elephant, which is being threatened through 2)____________. Sumatra is producing 3)____________ materials like paper, pulp, and palm oil. The Sumatran elephants and other species in the area have had population declines, leading to a loss in 4) ____________. Likewise the Sumatran rhino’s population is 5)____________ due to a 6)____________being introduced into the area. The rhinos have also suffered from deforestation for agricultural usage and using 7) ____________ to keep their crops safe. These pollutants will continue to decrease because these practices are causing 8) ____________ , 9)____________, and 10), ____________. Air pollution is also causing the temperatures to increase because the Earth’s natural 11) ____________. This leads to more 12) ____________, which will not only continue to harm the elephants and rhinos, but the entire world. We need to 13) ____________ all nonrenewable resource and we need to switch to 14) ____________ like solar and wind energy since they are 15)____________. We need to do this not only to help the elephants and rhinos, but every living thing on earth!
Answers
1) Endangered ; 2) Deforestation ; 3) Natural ; 4) Habitat ; 5) Decreasing ; 6) Invasive species ; 7) Pesticides ; 8) Soil erosion ; 9) Water pollution ; 10) Climate change; 11) Greenhouse effect ; 12) Extinctions ; 13) Conserve ; 14) Renewable energy ; 15) Sustainable.
What is meant by deforestation?Deforestation is the deliberate clearing, destruction, or removal of trees and forests, typically for commercial purposes such as agriculture, livestock grazing, logging, or mining. It is the permanent conversion of forested lands into non-forested land use.
Deforestation has numerous negative impacts on the environment and can lead to soil erosion, loss of biodiversity, desertification, and climate change.
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PLS HELP THIS IS FOR A GRADE I WILL GIVE BRAINLYEST
1. As a result of deforestation, a forest environment changes to a desert environment. Identify the trait that is most likely to be naturally selected as a result of the environmental change described.
A. A nocturnal schedule
B. The ability to climb trees
C. A spotted coat
D. Thick fur
2. Which of the following describes the effects of natural selection on the traits of finch species of the Galapagos Islands?
A. The finch species on different islands all have very similar beak lengths and widths.
B. Each finch species evolved a beak that suits its island environment and food source.
C. The finch species on the different islands evolved long thin beaks to survive on the small seeds of the Galapagos.
D. Individual finches within each species evolved different beaks to contribute to genetic variation.
3. The polar bear lives within the Earth’s northern polar region. Unlike other bears who live on land, polar bears spend most of their time roaming the sea ice in search of food. It is here on the sea ice they hunt the major food source, the sea lion. Because of their dependence on the sea ice, polar bears are classified as marine mammals. As the sea ice is melting due to global warming, the polar bear is now considered a vulnerable species.
If this trend continues, which statement describes how the polar bear be affected?
A. They will have to hibernate longer.
B. They will be easier targets for predators.
C. They will live in the water instead of on land.
D. They will either adapt, migrate, or become extinct.
4. Saber Tooth Tigers were predatory mammals known for their large protruding saber-like teeth. They lived on the American Grasslands for over 40 million years. Saber Tooth Tigers are a member of a group of animals called “Megafauna.” Scientists believe their food sources were large herbivores. At the end of the last ice age (10,000 yrs. ago), they became extinct.
From the information given, what is the probable reason the Saber Tooth Tiger did not survive into modern times?
A. The Saber Tooth Tigers suffered from disease.
B. The Saber Tooth Tiger exhausted its food source.
C. The Saber Tooth Tiger could not adapt to environmental changes.
D. The Saber Tooth Tiger was hunted to the point of extinction by predators.
5. An oasis in a desert was very swampy. Two different species of frogs lived in the swamp. A chemical was spilled in the swamp. Some of the chemical is still found in the swamp. One frog species is now extinct. The species that survived is still found in the swamp. The surviving species probably had the ability to –
A. Move far away
B. Eat different insects
C. Adapt to the Chemical
D. Reproduce in high numbers.
Answers
Answer:
1) A- a nocturnal schedule, since animals in deserts stay cool during the night.
2) D- individual species evolved different beaks to contribute to genetic variation.
3) D- they will adapt, migrate, or become extinct. An adaptation example is getting shorter fur.
4) D- hunted to extinction. Humans probably valued their unique teeth.
5) C- adapt. If it didn't die, something in its genetics probably caused this.
Brainliest would be really cool, hope this helps! Sorry if any are wrong.
Describe the life cycle of a pine tree.
Answers
Answer:
The life cycle of a pine tree, like most coniferous trees, goes through several stages:
Seed Germination: The life cycle of a pine tree begins with the germination of a pine seed, stored in a cone. When favorable conditions, such as moisture and warmth, are present, the seed germinates, and a new pine seedling emerges.
Seedling Stage: The germinated seed develops into a seedling, with a single stem or shoot with a few small, needle-like leaves called cotyledons. The seedling relies on stored nutrients within the seed until it develops its own root system for nutrient uptake.
Sapling Stage: During this stage, the pine tree develops more branches and foliage. The sapling continues to grow in height and expands its root system to access water and nutrients from the soil.
Maturation and Reproduction: As the pine tree reaches maturity, it enters the reproductive stage. This typically occurs when the tree is around 10 to 20 years old, but it varies depending on the pine species. The pine tree produces cones, which contain the reproductive structures. Male cones release pollen, which is carried by wind to female cones for fertilization. Fertilized female cones develop seeds within them.
Cone Development and Seed Dispersal: The fertilized female cones undergo maturation and development. This process can take several months to years, depending on the species. Once mature, the cones open, releasing the seeds, which are dispersed by wind or animals.
Senescence and Regeneration: After seed dispersal, the pine tree enters a phase of senescence, or decline. This stage can span many years or even decades, depending on the lifespan of the pine species. The tree's growth slows, and its overall health deteriorates. Eventually, the tree dies, either naturally or due to environmental factors, making way for new seedlings to grow in the surrounding area and continue the cycle.
Explanation:
How does cellular respiration relate to the cycling of carbon through the environment? (1 point)
O Light energy from the atmosphere reacts with glucose to produce carbon dioxide and water, which are released into the atmosphere.
O Oxygen from the atmosphere reacts with glucose to produce carbon dioxide, which is released into the atmosphere
O Carbon from the atmosphere is combined with other elements to form glucose, which is broken down to release energy
O Carbon dioxide from the atmosphere reacts with glucose to produce oxygen and water, which are released into the atmosphere.
Answers
Answer:
go on bio.c0m and u can ask any question
Explanation:
An important difference between cellular respiration and photosynthesis is that when cellular respiration begins, glucose molecules are split. However, when photosynthesis begins ADP molecules are split. water molecules are split. oxygen molecules are split. carbon dioxide molecules are split.
Answers
Answer:
B) WATER MOLECULES ARE SPLIT
Explanation:
just trust me Okay
Answer:
B - water molecules are split
Explanation:
did it on edge
The human brain contains different regions that control specific bodily functions. On a model, how could you identify the region of the brain that is responsible for voluntary activities of the body, as well as intelligence, learning, and judgment?
A. This region is the thalamus, between the brain stem and cerebrum.
B. This region is the brain stem, connecting the brain to the spinal cord.
C. This region is the cerebellum, divided into left and right hemispheres.
D. This region is the cerebrum, the largest region in the brain.
Answers
The right answer is option D. This region is the cerebrum, the largest region in the brain.
The cerebrum is responsible for voluntary activities of the body, as well as intelligence, learning, and judgment. It is the largest and most highly developed part of the brain, comprising two hemispheres connected by a thick bundle of nerve fibers called the corpus callosum.
The cerebrum is further divided into specialized regions known as lobes, including the frontal lobe, parietal lobe, temporal lobe, and occipital lobe.
These lobes house various cortical areas responsible for different functions, such as motor control, sensory perception, language processing, memory, and executive functions.
The cerebrum plays a critical role in higher cognitive processes and is responsible for our conscious thoughts, emotions, and decision-making abilities.
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Question:
The diagram below shows two different kinds of substances, A and B, entering a cell.
What process is responsible for moving substance A into the cell?
Answer:
CORRECT (SELECTED)
Active transport.
Explanation:
The concentration of substance A is higher inside the cell, so energy is needed to move it against its concentration gradient. This process is active transport.
Answers
The process responsible for the movement of substance A into the cell will be active transport.
What is active transport?It is a kind of cellular transportation of molecules against their concentration gradients through the use of energy.
Active transports are different from passive transports. The latter has to do with the cellular transportation of molecules in and out of the cell without involving the use of energy.
In the diagram, there is more concentration of substance A inside the cell than the outside. Thus, moving substance A into the cell will be a movement against its concentration gradient.
The movement of substances against concentration gradients always requires energy, usually in the form of ATP - active transport.
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how do oxbow lakes form
Answers
Answer:
It starts with a bend in a river then the river erodes the bend until it goes through the bend and the old bend keeps its water and becomes a lake
Answer:
here you go
Explanation:
when you get a meander the lake slowly erodes from the inside, because water will always want to take the faster route( which would be straight ) the lake will slowly cute off the meander while dumping the rivers load forming an oxbow lake
Which property refers to how energy, such as heat and electricity, can travel through a material?
Answers
Answer:
Conductivity
Explanation:
The ability of electrical energy to flow through materials is called conduction, so the property is the conductivity property
describe how root hairs absorb nitrate ions from soils with low nitrate concentrations?
Answers
Answer:
Roots have specialized cells called root hair cells that are responsible for absorbing water and mineral ions like nitrates from the soil. These cells have long thin projections that stick out into the soil.
For plants to take up mineral ions, ions are moved into root hairs, where they are in a higher concentration than in the dilute solutions in the soil. This movement of ions from a low concentration in the soil to a higher concentration in the plant is achieved through a process called active transport. Active transport is a process that is required to move molecules against a concentration gradient. This means that substances are moved from a low concentration to a high concentration, which is the opposite of what would happen naturally. The process requires energy.
In the case of root hair cells absorbing nitrate ions from soils with low nitrate concentrations, active transport allows the plant to take in the ions it needs from the soil around it. The energy required for this process is produced by respiration.
What are three reasons why early hominin fossils are so hard to find? (max 3 sentences)
Answers
Answer:
Early hominin fossils are hard to find for several reasons. First, the geological processes of erosion and sedimentation can destroy or bury fossils, making them difficult to access. Second, early hominins likely had low population densities, so the chances of fossilization were relatively small. Finally, the habitats in which early hominins lived, such as forests and savannas, are not conducive to fossil preservation, as the organic materials are quickly decomposed by microorganisms and the elements.
In saltwater, the water that surrounds a fish has a higher concentration of dissolved salts than is found in the fish's body cells. Which two methods allow the fish to maintain water balance? A. Pumping out salt through the gills B. Absorbing water into the body by osmosis C. Releasing only a little water in urine D. Taking in salts via food
Answers
The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.
In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:
1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.
2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.
By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.
These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.
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Question 3 of 25
A flashlight beam passes from the air through a car window. What happens to
the speed of the light wave as it passes from the air to the glass?
Water
Diamond
Glass
Alr
Speed of
light (m/s)
225,000,000
125,000,000
200,000,000
299,700,000
A. It decreases.
B. It stays the same.
C. It increases
OD. It falls to zero
SUBMIT
Answers
Answer:
it increases
Explanation:
becaus light beam is so strong it can be dangerous to eyes and when the people see it they go blind
what processes take carbon out the atmosphere
Answers
Answer:
Photosynthesis
Explanation:
it is the process where plants take water, sunlight, and carbon dioxide and make their own food and put off oxygen.
Can environmental factors influence the expression of traits?
Answers
Answer:
Environmental Factors Interact with Genes
Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.
Please help I will give BRAINLIEST face the earth
Answers
Answer:
It is often assumed that the moon is a perfect sphere, which it is not. The side of the moon facing earth is more dense than the side facing away. Therefore, it takes energy for the moon to rotate its earth-facing side away from the earth. Such energy is not currently available, so the same side always faces earth, caught in earth’s gravity.
Explanation:
Hope this helps you a lot my boo!
Answer:
The moon keeps the same face pointing towards the Earth because its rate of spin is tidally locked so that it is synchronized with its rate of revolution (the time needed to complete one orbit). In other words, the moon rotates exactly once every time it circles the Earth
Which organism would not be found in the domain Eukarya?
.a shark
.E. coli
.a dandelion
.a mushroom
Answers
Answer:
It would be E.Coli because its a kind of bacteria. Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. So in this case E.Coli would be the answer.
Hope This Helps :)
Surface tension is a measure of_____.
Answers
Answer:
Newton per metre
Explanation:
mark me braniest and give me a thanks
1. Some human societies have lifestyles that are sustainable, while others do not.
a. Describe how living near water can lead to a more sustainable lifestyle. (0.5
point)
Answers
Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.
It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.
An individual who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.
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What evidence have you discovered to explain how plants, such as the
sunflowers in the video, use sunlight to produce energy?
Answers
Sunlight causes the leaves of a sunflower to turn phototropically, following the sun's rays. The amount of light intercepted rises as a result, which boosts photosynthesis.
What reaction does a sunflower have to sunlight?The stem's east side develops during the day, causing it to swing to the west with the sun. The general growth begins to slow down as the sunflower ages.
On a sunflower, how does photosynthesis take place?Sunflower uses the C3 photosynthetic pathway and is a photosynthetic autotroph. The sugars created during photosynthesis are delivered as sucrose from the leaves to growing seeds, where they are utilised to create the oils found in sunflower seeds, among other processes.
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neurons are brain cells. where would new neuron come from
A bacteria
B non-living matter
C other cells
D food
Answers
Answer:
The answer is C!
Explanation:
Review the chart, which shows the population sizes of three African animals in 1990 and in 2000.
Population Estimates of Animals in Africa in 1990 and in 2000
1990
2000
100,000
47,000
50,000
7,500
15,000
2,500
Lions
Cheetahs
Zebras
Which explanation is best supported by the numbers in the chart?
Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs.
The dwindling zebra population has led to the decline of the predator lion and cheetah populations.
Overhunting of lion and cheetah populations has led to a decline in the food source population.
Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.
Answers
The African animals given in the chart are lions, cheetahs, and zebras. The chart presents their population sizes in 1990 and 2000. The population of zebras is higher than the lion and cheetah populations. The lions' population declined from 100,000 to 47,000 between 1990 and 2000 is Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.
Likewise, the population of cheetahs decreased from 7,500 to 2,500 between 1990 and 2000. However, the population of zebras remained relatively stable at 50,000. Therefore, one could deduce that lions and cheetahs are competing for the same food source, which is zebras.
Lions and cheetahs have a diet that includes zebras. As a result, zebras serve as a food source for both lions and cheetahs. This indicates that there is competition between lion and cheetah populations. It is important to remember that the population of zebras remained stable during this period, indicating that the food source remained plentiful. As a result, the reason for the decline in lion and cheetah populations must be due to other factors.
Therefore, the statement that is best supported by the numbers in the chart is that lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs. The decline in lion and cheetah populations could be attributed to numerous causes, including habitat loss, disease, and human interference, among other factors.
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