if more than one organism is in the same niche, what might happen?
The competitive exclusion principle states that two species cannot occupy the same niche. When two species compete for the same habitat and resources, the end result is that one species eliminates the other.
Wendy added the same amount of water to two plants of the same variety. She placed them in the sun and added fertilizer to one plant but not to the other. She recorded the height of the plants after a week. What is the independent variable in the study?
Time
Fertilizer
Height of plant
Volume of water
Answer:the dependent variable is height
Explanation:
The height of the plant depends on the amount of fertilizer or if any.
Sometimes a mutation is beneficial to organisms fitness in can be passed onto the offspring. What is likely to happen to the mutation over many generations?
A. Any genetic variation will not persist because the mutation is a one time event.
B. There is a random chance of the mutation spreading to other individuals in the population.
C. The mutation will become more common in offspring and increase the genetic variability in the gene pool.
D. Genetic recombination is the only way that variations can be passed on so the mutation will die out.
Answer:
C. The mutation will become more common in offspring and increase the genetic variability in the gene pool.
Explanation:
The mutation which is beneficial to the organism's fitness occurs in the genetic cell of the individuals and after the fusion with the opposite gametic cell during fertilization it passes to the offsprings.
So these offsprings reproduce the mutation will pass to some more offsprings and like this mutation will become more common in the population which will result in increasing the genetic variability of the in the gene pool. So the correct answer is C.
Dora rolled a marble down a ramp in recorded the potential energy and kinetic energy of the marble at different positions on the ramp as shown in the table below which is the constant variable in this experiment
Answer:
The mass of the marble
The phase in which the chromatin becomes visible and nuclear membranes re-form in the daughter nuclei is called interphase. True or false
Toxicodendron rydbergii is the scientific name for western poison ivy. Toxicodendron radicans is the scientific name for eastern poison ivy. Which of the following statements are true?
Answer:
Western and eastern poison ivy belong to the same genus.
Explanation:
The scientific name of the species was created in order to create a universal nomenclature for living beings. This way, scientists in Brazil, for example, could talk to scientists in Africa and Japan about the same living thing without creating confusion about names. In short, the scientific name is accepted by all languages and all dialects and idomous expressions.
The scientific name is formed by two words in Latin. The first word refers to the genus to which the organism belongs, the second name refers to the specific epithet. The two names together form the species name.
For this reason, we can say that if Toxicodendron rydbergii is the scientific name for western poison ivy and Toxicodendron radicans is the scientific name for eastern poison ivy, western and eastern poison ivy belong to the same genus.
True or False: Meiosis results in two genetically identical diploid cells.
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What is the purpose of the “spine” of vegetation in the Fusionopolis building? Check all that apply. It insulates the complex in the summer. It insulates the complex in the winter. It provides passive cooling in the summer. It provides passive cooling in the winter.
The correct answers are options:
It insulates the complex in the winter.
It provides passive cooling in the summer.
The Fusionpolis is a building present in the Singapore. The building is covered by the spine vegetation. The spine vegetation is well known for the insulation against the heat, this makes them best for maintaining the temperature in the building. These spines provide the insulation in the winters, when the outside atmosphere is too cold, and in summers, the transpiration of the spines help in cooling down the temperature of the building.
Answer:
B,C
Explanation:
Edge 2020
Describe how H. Habilis might have lived
This is the process by which organisms acquire and pass on novel traits through generations.
The correct answer is biological evolution.
Biological evolution refers to the procedure via which the features of species modify over consecutive generations, by means of natural selection and genetic variation. It is most usually illustrated as modifications in the frequencies of the gene in the populations.
Evolution by natural selection is one of the followed authenticated theories in the history of science, encouraged by proof from a broad kind of scientific disciplines involving geology, palaeontology, developmental biology, and genetics.
In which environment would primary succession take place? Check all that apply.
an abandoned field
a cooling lava flow
a valley under a glacier
an unused farm
a burnt forest
a deserted mine
Primary succession happens in a place where there is no soil cover or it is removed.
an abandoned field- Secondary; because there is cover of soil left, even if vegetation is removed.
a cooling lava flow- Primary; volcanic events lead to loss of soil layer, so this would lead to primary succession
a valley under a glacier- Primary; retreating glaciers are lead to primary succession
an unused farm-Secondary; the soil cover is still present
a burnt forest- Secondary; soil cover is still left for vegetation to start over again
a deserted mine- Primary; because there would be barren rocks left, so soil would be formed by pioneer species first.
Answer:
B
C
Explanation:
Microscopic, single-celled organisms that have a complex structure similar to animals and plants are known as
household energy usage gizmo
A household energy usage gizmo is a device used to track and understand energy consumption in a home. It demonstrates which appliances use the most electricity, allowing alterations towards more energy-efficient habits.
Explanation:The household energy usage gizmo is a tool used mainly in physics and environmental science to measure and understand the energy consumption patterns in a household. This device records the amount of electricity used by different appliances and helps users recognize where most energy is consumed. For instance, a household energy usage gizmo could show you how much energy your refrigerator uses in comparison to your heating system. By understanding these patterns, we can make changes to our energy usage habits, achieving more energy-efficient households. Therefore, these gizmos are important not only from a physics perspective, but also in promoting sustainable and eco-friendly living.
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Final answer:
To manage household energy costs effectively, limit the usage of high-power devices and consider using energy-efficient options like compact fluorescent light bulbs.
Explanation:
Household energy usage gizmo involves calculating energy consumption by multiplying power rating by the hours of use. To spend less than R 150,00 per month, you can limit the use of high-power devices; this is because efficiency is crucial in energy-saving, especially with devices like compact fluorescent light bulbs.
what are the parts of the heart?
Gender, age, heredity, race, and the environment are all examples of
Gender, age, heredity, race, and the environment are all significant factors that influence various aspects of human health. These elements can affect the likelihood of developing certain diseases, physical and mental health outcomes, and the effectiveness of treatments. It is essential to recognize how each factor individually and collectively impacts health to improve health outcomes and strategies.
Gender can influence health due to biological differences and social roles that affect exposure to risks and health behaviors. Age is a critical determinant as the risk for many health issues increases with age. Heredity plays a vital role because genetic predispositions can affect the likelihood of certain conditions. Race can affect health due to both biological diversity and differences in socio-economic factors that contribute to health disparities. Lastly, the environment encompasses physical, social, and economic conditions that can have significant health impacts. Understanding these factors is paramount in developing public health policies, prevention strategies, as well as individual health plans. Only by considering each of these can a comprehensive approach to health care be achieved.
What stage of coal is most often used to heat houses and burns “cleanly”
Question 1(Multiple Choice Worth 4 points)
Which of the following is an example of an endothermic process?
Condensing
Freezing
Boiling
Solidifying
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Imagine that your finger is accidentally caught in a closing car door. Describe the path of stimulus and response that would happen in the nervous and musculoskeletal systems.
which reproductive pattern would be associated with a species that is most likely to undergo rapid evolutionary change
Sometimes a few individuals are isolated from the rest of the population and can have very different gene frequencies. This is called
The relative frequency of the gene variant expressed as per cent or fraction is called gene frequency. The isolation and the varying gene frequency is due to the Founder's effect.
What is Founder Effect?The loss of the genetic diversity in the new population of the organism that diversified and got isolated from the ancestral population.
This effect depicts the variation in the gene frequencies when the few organisms are isolated from the rest of their population. It can be said as a type of genetic drift in which the allele frequencies of the older population and the new population of the same organism gets differed.
Therefore, the Founder effect is the variation of the gene frequencies in the isolated population.
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Which injury would likely cause the body to permanently lose the ability to perform simple reflexes? damage to the nerve cells in the spinal cord a muscle tear in the leg the death of a single neuron in the body harm to a nerve in the skin
Answer:
the correct answer is a
Explanation:
In which situation is a chemical reaction occurring? A. ice melts B. a nail rusts C. a glass breaks
All the statements are true of herbivores except that they are _____.
Answer:
some times preaditores
Explanation:
Which of the following is the balanced chemical equation for photosynthesis?
Answer:
your answer is A
Explanation:
Which scientist sought to disprove Needham’s experimental method by boiling his broth in a sealed container first, as he believed the broth was contaminated by microorganisms before it was sealed?
Which particle has the most energy ice water steam or no difference
What is the haploid number of chromosomes in corn?
predict if the sensory nerves in a persons foot are nonfunctional, would the person feel pain if the foot was severely burned
If the sensory nerves in a foot are non-functional, the person would not feel the pain if the foot was severely burned.
What are nerve cell?A type of cell that receives and transmits messages from the body to the brain, as well as from the brain back to the body.
A modest electrical current is used to send the messages.
Nerve cells are also known as neurons.
Nerve cells feel the electrical impulse and carry them to the brain.
Thus, if sensory nerves on a foot are non-functional, then the person would not feel the pain if the foot was severely burned.
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Discuss some society issues regarding biotechnology.