PLEASE HELP
Natural selection is defined as
A.
the changes in the characteristics within a population that lead to survival.
B.
the process by which humans select the most desirable organisms in a population.
C.
the changes that occur in a population that do not affect survival.
D.
the changes that occur in an organism over its lifespan.
Answers
Answer:
A. the changes in the characteristics within a population that lead to survival.
Explanation:
those that cannot camoflauge or find a way to survive and reproduce, will die off.
Related Questions
Given the choice of 4 bases and the number of bases needed to make up a codon, how many possible codons are there? 16 23 64 128
Answers
Answer:
64
Explanation:
A codon is a group of three nucleotide sequence in a mRNA that specifies a particular amino acid acid. There are only four nucleotides composed of the four nitrogenous bases viz: Adenine, Guanine, Cytosine and Thymine/Uracil.
A codon is composed of only three of these nucleotide bases at a time. Hence, considering the number of nucleotide bases that can make up one codon and the 4 nucleotide bases, there can only be 4^3 = 64 combinations of the four nucleotides. This means that there are 64 possible codons.
Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
Answers
Arrow 'f' releases carbon dioxide.
Answer:
F I think I am not sure though hope I helped.
answer this question, multiple-choice question!
Answers
Answer:
CSO, fertilizers. cleaning products
Explanation:
Which statement about models in science is true?
A:Models change to accommodate new discoveries.
B:Models are only used by engineers.
C:Models never change.
D:Models are only used by scientists.
Answers
Models change to accommodate new discoveries. This statement is true. Therefore option A is correct.
Models change to accommodate new discoveries is true because models in science are representations of natural phenomena or systems used to understand and predict real-world behavior.
As scientific knowledge advances and new discoveries are made, models are updated and refined to incorporate the latest information.
Scientists use models to test hypotheses, make predictions, and gain insights into complex processes. Similarly, engineers also use models to design and optimize various systems.
Therefore option A is correct.
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Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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Plants use specialized structures to increase their likelihood of reproduction. Which characteristic of plants would be useful in attracting bats as a vessel for dispersal?
A. The plant produces flowers that put off a fragrant scent.
B. The plant produces flowers that grow into fruit.
C. The plant produces flowers that make pollen.
D. The plant produces flowers that are bright and colorful.
Answers
In tropical, subtropical rainforests, and desert temperatures all over the world, where many plant species depend on bat pollination for reproduction, bats are particularly significant pollinators. Thus, option A is correct.
What is attracting bats as a vessel for dispersal?Chiropterophily refers to the practice of bats pollinating plants. Many bat-pollinated plants have light-colored nocturnal flowers (in contrast, bees are mostly attracted to bright, daytime flowers).
Over the course of 50 million years, bats and archaic groups like bananas underwent evolutionary change.
The plant's adaptations for bat pollination include nighttime blossoming, a potent scent that draws bats from all over the world, as well as an abundance of readily available nectar and pollen.
Therefore, the plant produces flowers that put off a fragrant scent.
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1.) How does air move during sea breeze?
2.) From where does the wind blow during the land breeze?
3.) What time of the day does the sea breeze occur? (night time or day time)
4.) Which heats faster, land or sea?
5.) Compare the direction of air in sea breeze and land breeze.
Answers
PLS MARK ME AS BRAINLIEST
1.) As a result, warm air rises. Therefore, the warmer air over the land surface is rising. As the warm air over the land is rising, the cooler air over the ocean is flowing over the land surface to replace the rising warm air.
2.) a cool wind that blows from land to water. On clear, calm evenings, temperature differences between a body of water and neighboring land produce a cool wind that blows offshore. This wind is called a "land breeze".
3.) While sea breezes occur during the day, land breezes occur at night.
4.) Since land absorbs more solar radiation the land surface retains more heat as do the vegetation for energy. Thus, land surfaces warm more quickly than water.
5.) Sea breeze carries increased moisture, which it absorbs while blowing over a water body. A Land breeze is drier since it has no opportunity to absorb water from any source. Lastly, the sea breeze moves from the sea towards a land body. A Land breeze moves from land toward a water body, generally a sea or ocean.
Answer: 1.) During a sea breeze, the air moves from the sea towards the land. During the day, the land heats up faster than the sea. As a result, the air above the land becomes warmer, and it rises. The cooler air from the sea moves towards the land to replace the rising warm air, resulting in a sea breeze.
2.) During the land breeze, the wind blows from the land towards the sea. At night, the land cools faster than the sea. The air above the sea remains warmer and rises, and the cooler air from the land moves towards the sea, resulting in a land breeze.
3.) The sea breeze occurs during the daytime.
4.) Land heats up faster than water. This is because water has a higher specific heat capacity than land. Specific heat capacity refers to the amount of energy required to increase the temperature of a substance. Water requires more energy to heat up compared to land, which is why it heats up slower than land.
5.) During a sea breeze, the direction of air is from the sea towards the land. During a land breeze, the direction of air is from the land towards the sea.
Explanation:
USELESS QUESTION NUMERO DOS (first to actually answer gets brainliest award)
Does a plant cell have a powerhouse?
If so, what is it's name?
∈
Answers
how do creationists and evolutionists differ in their views of natural selection?
Answers
Answer: creationists believe in higher power to create things as is and evolutionists believe we originate from a common past and constantly change
Explanation: Creationists believe the belief that the universe and living organisms originate from specific acts of divine creation, as in the biblical account, rather than by natural processes such as evolution.
The theory of evolution is based on the idea that all species are related and gradually change over time. Evolution relies on there being genetic variation in a population which affects the physical characteristics (phenotype) of an organism.
Answer:
Creationists believe that natural selection is a God ordained process. Evolutionists believe that natural selection is a scientific process.
Explanation:
please help Complete the sentence.
Answers
Answer:
The mutation in the MCR1 gene affected the structure and function of the MCR1 protein.
biology
1. What is an ecosystem?
2. What are some examples of nonliving things in an ecosystem?
3. What are some factors that could affect the number of organisms in an ecosystem?
4. Why might organisms interact in an ecosystem?
5. Would you expect to find the same kinds of interactions between organisms in very different ecosystems? Why or why not?
6. Why is it important to understand feeding relationships in an ecosystem?
Answers
Examples of nonliving things in an ecosystem include sunlight, water, air, rocks, soil, and minerals.
Factors that could affect the number of organisms in an ecosystem include the availability of food and water, temperature, weather conditions, availability of shelter or habitats, the presence of predators and disease, and human activities such as deforestation or pollution.
Organisms interact in an ecosystem to obtain resources such as food, water, shelter, and mates, and to avoid being eaten by predators or infected by diseases. Some organisms also form mutualistic relationships, where both parties benefit from the interaction.
Different ecosystems can have different organisms and interactions based on the unique features of each ecosystem, such as climate, geography, and available resources.
Understanding feeding relationships in an ecosystem is important because it helps us understand the flow of energy and nutrients through the ecosystem. This knowledge can inform conservation efforts and help us manage and protect ecosystems for the benefit of all living organisms, including humans.
Answer:
1. An ecosystem is a system of interactions between living and nonliving things in a particular environment.
2. Some examples of nonliving things in an ecosystem include sunlight, soil, rocks, air, water, and temperature.
3. Factors that could affect the number of organisms in an ecosystem include availability of resources, predation, competition, and environmental changes.
4. Organisms interact in an ecosystem in order to find food, to find mates, to escape predators, and to compete for resources.
5. No, you would not expect to find the same kinds of interactions between organisms in very different ecosystems due to differences in biotic and abiotic factors.
6. It is important to understand feeding relationships in an ecosystem because understanding these relationships gives us insight into the stability, dynamics, and functioning of the overall ecosystem. It can also provide an understanding of how the ecosystem may respond to environmental changes.
helppp lol pleaseeeeee
Answers
Answer:
it represents erosion and weathering of a foothill.
Explanation:
These days people use plastic to pay for everything. " What does the synecdoche mean in this question?
Answers
pls help me, I need this rn, thank you!
Answers
Answer:
1.) DEPED: Department of Education;
Role: Improving the quality of education
2.) DENR: Department of Environment and National resources;
Role: Conservation, management, and development of the country's environment and natural resources.
3.) DOST: Department of Science and Technology
Role: The executive department of the Philippine Government responsible for the coordination of science and technology-related projects in the Philippines
4.) DSWD: Department of Social Welfare and Development
Role: Develop, implement and coordinate social protection and poverty-reduction solutions for and with the poor, vulnerable, and disadvantaged.
5.)TESDA: Technical Education and Skills Development Authority
Role: The government agency tasked to manage and supervise technical education and skills development in the Philippines.
Explanation:
VERY LATE REPLY, SORRY!!!!
These are just some of the Philippine government agencies that are involved in protecting the environment. There are many other agencies that play a role in this important task.
What are these agencies?Department of Environment and Natural Resources (DENR): The DENR is the lead agency in the formulation and implementation of environmental policies, laws, and regulations. It is also responsible for the management of natural resources, including forests, wildlife, and marine resources.
Department of Science and Technology (DOST): The DOST conducts research on environmental issues and develops technologies to address them. It also provides technical assistance to other government agencies and the private sector in the implementation of environmental programs.
Department of Social Welfare and Development (DSWD): The DSWD provides social services to people affected by environmental disasters. It also provides assistance to communities that are vulnerable to environmental hazards.
Technical Education and Skills Development Authority (TESDA): TESDA trains people in environmental-friendly technologies and practices. It also provides certification to workers in the environmental sector.
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The graph below shows the distance traveled by four cars, A, B, C, and D, over a period of time.
Which of the following statements can be concluded from the information on the graph?
A. All cars traveled at least 90 kilometers.
B. All cars traveled at different speeds.
C. All cars traveled for 4 hours.
D. All cars came to a stop, but at different times.
Answers
Which of these endocrine glands is at work when you are surprised by a friend who jumps out of the bushes to scare you?
pituitary gland
pineal gland
adrenal glands
pancreas
Answers
Answer:
adrenal glands
Explanation:
"The amygdala responds like an alarm bell to the body. It alerts the hypothalamus, which sends a message to the adrenal glands to give you an instant burst of adrenaline, the “action” hormone."
A pedigree chart is used to _______.
predict percentage of offspring with a trait
predict genotypic probabilities
track inherited traits through generations
identify the genotype of parents
Answers
A pedigree chart is used to track inherited traits through generations.
A pedigree chart is a visual tool that represents the inheritance patterns of specific traits or genetic conditions within a family. It helps to trace the occurrence of traits, diseases, or genetic conditions across multiple generations by depicting the relationships between individuals and their affected or unaffected status.
Pedigree charts are commonly used in genetics and genetic counseling to analyze patterns of inheritance, identify carriers of genetic disorders, determine the probability of passing on certain traits or diseases, and study the transmission of traits within families. By examining the patterns of inheritance in a pedigree chart, one can gain insights into the mode of inheritance, such as autosomal dominant, autosomal recessive, or X-linked inheritance, and make predictions about the likelihood of certain traits or conditions appearing in future generations.
Which of the following is a part of a water-based carbon cycle?
A.) Trees
B.) Crab shells
C.) Human beings
D.) Coal-based power plants
Answers
many species of animals carry an allele for albinism (lack of pigmentation). Albinos are usually pale or white in color. explain why the allele for albinism is present at la lower frequency than the allele for having pigments. what conditions would be necessary for the albino allele to be more frequent?
Answers
Answer: breeding an albino with an albino and let the babies lose and repeat
Explanation:
The allele for albinism is present at a lower frequency because it is not adaptive for most of the environments where humans live.
What is an allele?An allele is a gene variant that confers a certain fitness to an individual depending on the environment where this organism lives.
Adaptive alleles are in high frequency because they confer an adaptive advantage.Non-adaptive alleles are present in low frequency because they do not confer an advantage.In conclusion, the allele for albinism is present at a lower frequency because it is not adaptive.
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Select your answer from the choices below, then write them on its appropriate column.
Answers
Answer: The duties that the students and community members have to be done to save our environment and resources
Explanation: My part as a students
1. Switch off classroom lights and fans when not in use.
2. Plant a tree (in vacant lot / backyard).
3. Join environment friendly groups.
4. Switch to non- plastic water bottles.
5. Switch off faucets in the school or park when not in use.
My initiative as a Community Member
1. Conserve water.
2. Throw garbages in the trash can.
3. Decrease the amount of paper you print.
4. Minimize the use of plastic when buying good
5. Volunteer for clean-up drives.
The correct options that have to be filled in its appropriate column are:
The part as a Student in conserving the environment.
Decrease the amount of paper you print.Switch off classroom lights and fans when not in use.Conserve water.Switch to non-plastic water bottles.Minimize the use of plastic when buying goods.My Initiative as a Community MemberVolunteer for clean-up drives.
Join environment-friendly groups.Plant a tree (in a vacant lot/backyard).Throw garbage in the trash can.Switch off faucets in the school or park when not in use.Thus, these are the correct options for the given columns.
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Highly organized systems like living cells should have _____.
a. High energy
b. High entropy
c. Low entropy
d. Low energy
Answers
Which of the following describes geothermal energy in use?
A
Drought in recent years has lowered the amount of hydroelectric power produced by the Hoover Dam.
B
The wide-open land and strong gusts of the Greater Accra Region in Ghana make it a perfect location for multiple turbines.
C
Iceland is situated on top of multiple volcanoes and harnesses this natural power to heat the roads and sidewalks in the winter.
D
Innovators are working to create panels to replace asphalt on highways, so roadways can generate energy from the sun even as cars burn fossil fuels.
Answers
i think its c b/e icland is situated in the top of a multiple volcanoes and harnesses this natural power to heat the roads and sidewalks in the winter
Mechanical energy can take on many forms, but these different forms can be categorized as either potential energy or energy of motion. The height an object is dropped from has an effect on the amount of energy in the object. Let’s conduct an experiment to see the effect.
:How does the height of an object affect the amount of mechanical energy it contains?
1:Variables What is the test variable?
Answers
The height of an object is crucial to the amount of energy something has because the higher up it is the most potential energy it has and kinetic energy it could have.
For example, if the height of a basketball was just a couple inches off the ground, it would not have a large amount of potential energy because because there is not much of a fall between the ball and the ground. However, if the ball was higher, there would be more potential energy because there is more room to fall.
---
"What is the test variable?"
The test variable, or independent variable in this case would be the height, as the scientist is changing the height in order to get different results in the total mechanical energy, which would be the dependent variable.
helloo can someone help me please??
Answers
Answer:
I can't see the picture of this answer
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answers
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
List 3 negative impacts does plastic pollution have on the ocean?
Answers
Ingestion
And suffocation
Answer:
Negative physical impact on marine life, chemical impact on the water, and transport of native species.
Explanation:
Negative physical impact on marine life:
Plastic can be dangerous to creatures living in the ocean. Marine animals can fatally swallow plastic, become entangled in it, and even become physically impaired for the rest of their life.
Chemical impact on the water:
Plastics carry chemicals such as PCBs and DDT that can invade the water and cause harm to marine ecosystems.
Transport of native species:
Plastic can carry organisms from one part of the ocean to a relatively remote area. By introducing new organisms to an ecosystem, the flow can be disrupted and result in major consequences.
Why does a guitar sound different from a saxophone?
Answers
Answer:
Because the guitar has string and the saxophone doesn't.
Explanation:
Someone please help me!
Answers
Answer: A. i believe
Explanation:
Write a paragraph (4-5 sentences) explaining how natural selection and selective breeding are related?
Answers
1.) The scientific name always consists of two words:
Group of answer choices
Genus and species
Family and species
Species and kindom
Domain and species
2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?
Group of answer choices
Puma
concolor
mountain lion
American mountain Lion
Answers
2.Puma