Conservationists establish that the carrying capacity of a population of deer in an extensive geographical area is 945. The current population of deer is 1,100. What is likely to happen to the population of deer?
A.The growth pattern will change from logistic to exponential.
B.The minimal viable population for the deer will increase.
C.Deer from other populations will immigrate to find mates to reproduce successfully.
D.The population will remain healthy, and its numbers will increase.
The population size will drop until the numbers reach the carrying capacity.
Answer: E. The population size will drop until the numbers reach the carrying capacity.
A carrying capacity of the ecosystem is the number of individuals in the population of species a ecosystem can sustain on the basis of availability of resources (food, shelter). Conservationists established that the carrying capacity of a population of deer in an extensive geographical area is 945 which increased to 1,100. This sudden increase in the population of deer, will result in depletion of resources, hence, carrying capacity of the ecosystem cannot sustain increased members of the population. Therefore, the population size will drop until the numbers reach the carrying capacity.
What was shown by both Redi’s and Pasteur’s experiments?
Answer:
Their experiment showed that the flies did not come directly from meat but flies laid their eggs there (disprove the spontaneous generation).
Explanation:
Redi put meat in three different jars one jar with covering and another without covering and the 3rd jar was sealed. He disproved spontaneous generation theory in this experiment. He showed that maggots did not come directly to meat but came from eggs laid by flies The sealed jar had no maggots in the meat.
Pasteur also checks the spontaneous generation theory by putting the boiling broth in different flasks, some open and some sealed. The conclusion he drew from this is that living things did not come from broth directly.
Thus, their experiment showed that the flies did not come directly from meat but flies laid their eggs there (disprove the spontaneous generation).
Through aquatic succession, a clear lake may eventually become
Meadow
Through aquatic succession, a clear lake may eventually become meadow.
Explanation;Aquatic succession refers to the process by which a glacial lake dries up. Aquatic succession takes place as a result of disturbances which results in aquatic area filling with sediment or organic matter.During aquatic succession a series of stages that causes bodies of water to turn into simply land. The process of aquatic succession is also called hydrosere and hydrarch succession.Meadow is a field that is habited by grass and other non-woody plants.Through aquatic succession, a clear lake may eventually become a marsh or a forested wetland.
Aquatic succession is a water body's steady ecological community and habitat change. A clean lake can change ecosystems over several succession stages.
Clear Water Stage: Early lakes have clear, nutrient-poor water. Algae and submerged aquatic plants are the principal producers.Emergent Plant Stage: As sediment and organic matter collect in the lake, reeds, cattails, and bulrushes can grow. These plants have sediment roots and water-surface stems.Shrub and Scrub Stage: As the lake fills with sediment, emerging plants establish habitats for willows and dogwoods. These plants can survive periodic flooding and grow near lakes.Water chemistry, nutrient availability, and sediment deposition cause this progression from a clear lake to a marsh or wooded wetland. Adapting to shifting conditions, the new ecosystem supports a varied range of plants and animals.
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Where should the majority of fat in the mediterreanean diet come from?
In order for an inherited genetic mutation to result in a phenotypic change for a recessive trait, which of the following must occur? The mutation must be inherited from the father. The mutation must be inherited from the mother. The mutation must be inherited on the x chromosome. The mutation must be inherited by both parents.
In order for an inherited genetic mutation to result in a phenotypic change for a recessive trait, mutation must be inherited by both parents. The correct option is D.
What is recessive trait?A trait that must be made a significant contribution through both parents in order to be present in the offspring. Recessive traits can exist in a person's genes but not manifest in that person.
The dominant trait is the trait that once makes it appear or is noticeably expressed in the organism. The recessive trait is one that is present at the gene level but is masked and does not manifest itself in the organism.
An autosomal recessive disorder is caused by the inheritance of two changed genes (mutations), one from each parent. These disorders are typically passed down through two carriers.
Thus, the correct option is D.
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what the food polymer used to form new body polymer
How does the absorption of ultraviolet radiation by the ozone layer help sustain life?
Answer:
D
Explanation:
A scientist is trying to determine where fault lines are to assess the risk of earthquakes and volcanic activity in an area. Which tool will be the most helpful to him?
a topographic map
a geologic map
a radiation detector
a density meter
i need help asap please!?!?!
THE ANSWER IS B. GEOLOGIC MAPS!!! POSITIVE
Answer:
The correct answer is a geologic map.
Explanation:
Geologic maps are primarily used to resolve the concerns involving Earth menaces, resources, and environments. The geologic maps demonstrate the scattering of distinct kinds of rock and the surficial deposits, as well as the locations of the geologic features like folds and faults.
The geologic maps are in the real sense a four-dimensional data system, and due to its unique characteristics it plays an essential role in evaluating the natural hazards like earthquakes and volcanic eruptions in a particular region and environmental or socioeconomic threat.
what is the difference between mitosis and cytokinesis? which one has to occur first? why?
Mitosis is the division of the nucleus and its content, while cytokinesis is the division of the cell’s cytoplasm and the rest of the cellular organelles. Mitosis occurs first, ensuring each daughter cell gets an accurate copy of the genetic information before the cell itself divides during cytokinesis.
Explanation:Mitosis and cytokinesis are two stages of the cell division process. Mitosis involves the splitting of the nucleus and its content. It's the stage where one cell's DNA is divided evenly into two cells. On the other hand, cytokinesis is the division of the cell's cytoplasm and the rest of the cellular organelles. During cytokinesis, the cell itself gets divided into two daughter cells, ultimately forming two independent cells.
In terms of which occurs first, mitosis happens before cytokinesis. This is because the cell needs to first divide its genetic material (during mitosis) before it can divide its cytoplasm and other parts (during cytokinesis). Ensuring that each daughter cell gets an accurate copy of the genetic information is crucial for the proper functioning of cells, hence the order of these stages.
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In Mendel's experiment with round- and wrinkled-seed plants, the F1 plants, which produced only round seeds, were grown up andmatured and were allowed to self-fertilize. What was the ratio of round to wrinkled seeds in the F2 generation?
The ratio of round to wrinkled seeds in Mendel's experiment was 3:1 in the F2 generation.
Explanation:In Mendel's experiment, when the F1 plants, which produced only round seeds, were allowed to self-fertilize, the ratio of round to wrinkled seeds in the F2 generation was 3:1.
This means that in a large population of F2 offspring chosen at random, approximately 75 percent would be expected to have round seeds, while 25 percent would be expected to have wrinkled seeds.
This ratio demonstrates Mendel's observation of the dominant and recessive traits in his experiment.
The nurse is caring for a client during the immediate postoperative period and is assessing for signs of shock. what signs and symptoms indicate that the client may be in shock?
Radar uses reflected microwaves to detect objects and measure their...
A distance and speed
B weight and volume
C wavelength and frequency
D height and depth
Radar uses reflected microwaves to detect objects and calculate their distance and speed by measuring the time it takes for a signal to bounce back and observing changes due to the Doppler effect.
Explanation:Radar, an acronym for Radio Detection and Ranging, uses reflected microwaves to detect objects and measure their distance and speed (Option A). This technology works by sending out a microwave signal to an object and then measuring the time it takes for the signal to bounce back.
This allows the radar system to calculate the distance of the object. If the object is moving, the frequency of the reflected signal will change due to the Doppler effect, giving the system the ability to determine the object's speed.Additionally, by analyzing the frequency shift of the reflected microwaves, the radar system can determine the speed of the object.
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Compare and contrast the processes of passive transport (facilitated diffusion) and active transport.
Passive transport, such as facilitated diffusion, and active transport are both essential for substance movement within cells, but they operate differently. Passive transport moves substances from high to low-concentration areas without energy requirements, while active transport moves substances from low to high-concentration areas, requiring energy.
Explanation:The process of passive transport, such as facilitated diffusion, and active transport are both essential mechanisms through which substances move across cell membranes in organisms, but they operate differently.
Passive transport refers to the movement of substances from an area of higher concentration to an area of lower concentration, which requires no cellular energy. An example of this is facilitated diffusion, where carrier proteins in the cell membrane assist in the transport process.
In contrast, active transport moves substances from an area of lower concentration to an area of higher concentration, which goes against the concentration gradient and requires energy in the form of ATP. Proteins within the cell membrane act as 'pumps' to conduct this process. An example of active transport is the sodium-potassium pump wherein active transport is employed to pump sodium out of cells and potassium into cells.
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Cutting the left optic nerve in front of the optic chiasm would result in blindness in the ____.
Cells from advanced malignant tumors often have very abnormal chromosomes as well as an abnormal number of chromosomes. what might explain the association between malignant tumors and chromosomal abnormalities?
Which of these statements is correct regarding the location of glycolysis and cell respiration?
A. Glycolysis occurs in the mitochondria; cell respiration occurs in the cytoplasm.
B. Both glycolysis and cell respiration occurs in the mitochondria.
C. Glycolysis occurs in the cytoplasm; cell respiration occurs in the mitochondria.
Answer: Option C
Explanation:
The process of glycolysis takes place in the cytoplasm of the cell. It converts glucose into pyruvate.
The free energy is released in this process to form high energy molecules know as ATP and NADH.
The process of cellular respiration takes place in the mitochondria where the energy is released in the form of ATP.
The energy from the food is converted into the form of ATP which is used by the body.
Traditionally female-dominated occupations, such as nursing and teaching, are known as
The answer is traditional gender roles, it is because if this has been promoted, the female gender will likely choose occupations that are more suitable for them and that are more feminine as traditional gender roles is a kind of gender stereotyping of where a gender should act more like a girl when she is a female in gender.
Why don't we run out of the important gases that we need to stay alive?
The reason why we don't run out of the important gases that we need to stay alive is due to existence of the natural recycling processes such as the carbon cycle and oxygen cycle makes use of gases produced by living organisms, which are carbon dioxide and oxygen to reproduce the gases used
The important gases we need to stay alive are;
Oxygen: Needed for aerobic respiration in the production of energy for life in animals and other living organisms, in the process, carbon dioxide is producedCarbon dioxide: Needed by plant to manufacture plant food which contains energy and oxygen is also produced as a by product, in the process known as photosynthesis. Sunlight energy is used to enable the processThe aerobic respiration and photosynthesis processes along with other natural occurring processes through which oxygen and carbon dioxide are produced creates a cycle that sustains the gases that we need to stay alive so that they do not run out
The cycles are known as the carbon and oxygen cycles
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Which condition results from a potentially lethal blood alcohol concentration that inhibits the brain's ability to control vital body functions?
Special senses, such as sight and sound, are detected by:
"The correct answer is: Special senses, such as sight and sound, are detected by sensory receptors.
Sensory receptors are specialized cells or structures that respond to specific types of stimuli in the environment. These receptors are the first step in the process of sensory perception. For example, photoreceptor cells in the retina of the eye detect light, while hair cells in the inner ear detect sound vibrations. These sensory receptors convert the stimuli into electrical signals that are then transmitted to the brain via sensory neurons. The brain interprets these signals, allowing us to experience sensations such as sight and sound. The process by which sensory receptors convert stimuli into electrical signals is known as sensory transduction. Each type of sensory receptor is tuned to specific types of physical or chemical stimuli, ensuring that the nervous system can accurately detect and respond to changes in the internal and external environment."
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How does carbon move between the atmosphere, hydrosphere, biosphere, and geosphere?
Answer:
Carbon is an element and is part of the oceans, air, rocks, soils and living things, it does not stay in one place.
In the atmosphere, it combines with oxygen in a gas called carbon dioxide (CO2). With the help of the sun, through photosynthesis, carbon dioxide is extracted from the air and converted into food.
Through food chains, carbon from plants goes to the animals that feed on them. Animals that eat other animals also obtain carbon through their food.
When plants and animals die, their bodies, wood, and leaves decompose in the soil. Part of the decomposed matter is buried and after millions and millions of years, it becomes fossil fuel.
Each time you breathe out, carbon dioxide is released into the atmosphere. Animals and plants get rid of the gas through the process known as respiration.
The carbon from fossil fuels goes into the atmosphere when the fuel is burned. When humans burn fossil fuels to power their factories, power plants, cars, and trucks, most of the carbon quickly enters the atmosphere in the form of carbon dioxide gas. Every year, five and a half billion tons of carbon are released in the form of fossil fuels burned. Of the large amount of carbon released by fuels, only 3.3 billion tons penetrate the atmosphere, and most of the rest is dissolved in the seawater.
The oceans and other bodies of water absorb some of the carbon from the atmosphere. It dissolves in water. Marine animals use carbon to create the material for their skeletons and shells.
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere. When carbon is deposited on the seabed, it is stored outside the carbon cycle for long periods of time. The amount of limestone deposited in the ocean depends in some way on the amount of shallow, tropical and warm oceans on the planet, because that is where limestone-producing organisms, such as corals, proliferate. Carbon can be released back into the atmosphere if the limestone melts or undergoes metamorphosis in a subduction zone.
A client reports painless, bright-red vaginal bleeding during the second trimester of pregnancy. upon assessment, the nurse finds that the client's urine output has decreased, the fundal height has increased, and the uterus is nontender with normal tone. what does the nurse interpret from these findings?
The interpretation of findings based on the assessments performed by the nurse is that the patient is diagnosed with Placenta Previa. It is a case wherein the placenta is improperly entrenched in the lower uterine segment adjacent to the internal cervical operating system.
If DNA can’t leave the nucleus, how dose the DNA instructions get to the ribosomes in the cytoplasm
DNA instructions are conveyed to the cytoplasmic ribosomes by mRNA, which is synthesized in the nucleus through transcription. mRNA then exits the nucleus to enable protein synthesis by the ribosomes. This process is essential to the central dogma of molecular biology.
Explanation:The genetic instructions housed within DNA in the nucleus are transferred to the ribosomes in the cytoplasm through the process of transcription and translation. During transcription, an intermediate molecule called messenger RNA (mRNA) is synthesized based on the DNA template. This mRNA molecule is small enough to travel through the nuclear pores into the cytoplasm where ribosomes read its sequence to synthesize proteins.
The nucleolus is responsible for the synthesis of ribosomal RNA (rRNA), which is then assembled with proteins to form the subunits of ribosomes. These subunits exit the nucleus to participate in protein synthesis in the cytoplasm.
Overall, the flow of genetic information in a eukaryotic cell goes from DNA to RNA (specifically mRNA) and finally to protein, abiding by the central dogma of molecular biology.
which of these is a type of mass movement that is likely to happen after a large amount of rain?
A. Landslide
B. Soil Creep
C. Liquefaction
D. Elastic rebound
Answer:
A. Landslide
Explanation:
The landslide can be defined as the movement of the mass of land/ rock/ mountain down the slope. The rain can cause water retention in the soil and may result in decreasing the rigidity of the soil. The decrease in the rigidity of the soil may cause the separation of the land particle and result in landslide.
What is different about the mouth structure of ruminants compared to that of humans?
What is the difference between casual observers and scientific observers?
What parts of the integumentary system are made up of dead epidermal cells?
Predict how many double helical molecules of dna will be present in the gametes of the fruit fly, drosophila, a diploid organism that has eight replicated chromosomes in each cell that enters meiosis.
The answer is a four double-helical molecules of DNA, which correspond to four unreplicated chromosomes. There will be four DNA molecules in to each gamete because the 8 replicated chromosomes in a diploid cell are compacted to 4 replicated chromosomes each cell at the closing of meiosis I. In meiosis II, the fellow chromatids of every replicated chromosome are disjointed. Each cell now comprises 4 unreplicated chromosomes, respectively with a single molecule of DNA.
True or false, dr. jonas salk developed a vaccine for typhoid fever.
Answer:
the answer is polio
Explanation:
just answered it
When a motor neuron and the skeletal muscle cell it innervates are at rest:?
Particularly the skeletal muscles at rest gain most of their energy from the aerobic respiration of fatty acids. Hence fatty acids provide the majority of the energy for muscle metabolism when a person is exercising at 25% of VO2max. However, the motor neuron is at rest when a neuron is not receiving any input there will be a potential difference. Thus, the potential difference measured when the neuron is inactive and it is caled the resting membrane potential.
During rest, a motor neuron stops releasing ACh at the NMJ which leads to repolarization of the muscle fibre, calcium ions return to the SR, and the muscle relaxes as cross-bridge formation is inhibited.
Explanation:When a motor neuron and the skeletal muscle cell it innervates are at rest, several processes take place to ensure the muscle fibre is relaxed. The motor neuron stops the release of the neurotransmitter acetylcholine (ACh) into the neuromuscular junction (NMJ). As a result, the muscle fibre repolarizes, closing the gates in the sarcoplasmic reticulum (SR) that had allowed calcium ions (Ca2+) to be released. The process of repolarization includes activating ATP-driven pumps that move the Ca2+ out of the sarcoplasm and back into the SR, leading to shielding of the actin-binding sites on the thin filaments. This prevents the formation of cross-bridges between the actin and myosin filaments, meaning that the muscle fibre loses its tension and relaxes, maintaining a state of muscle relaxation.
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