Answer:
D) D = 0.20; d = 0.80
Explanation:
Ok, so first off, we know that the number of homozygous recessive individuals is 64. So 64/100 is the q^2 value. The q value is the square root of that: it is 0.8. Because p + q has to always equal 1, the p value is then 0.2, and the p^2 value 0.04.
So, we know that the heterozygotes had to be 0.16 of the population (1-0.8-0.04 = 0.16).
d has to equal 0.8 because it is the number of recessive alleles in the population, and they give you this too. D is 0.2.
Which best defines the population growth rate?
A. a. (birth rate + immigration) - (death rate + emigration)
B.(birth rate + fertility rate) - (death rate )
C.birth rate - death rate
Answer:
A a(birth rate+immigration)-(death rate)
A. (birth rate + immigration) - (death rate + emigration) best defines the population growth.
What is population growth?Population expansion is the term used to describe the increase in human population. Most of human history was marked by a rather stable population. However, innovation and industrialization made energy, food, water, and medical care more reliable and accessible.
The human population has grown dramatically over the last century. It has mostly accomplished this by producing copious amounts of food and figuring out how to deal with sickness. There may have been only a million people on the planet when mankind first developed agriculture ten thousand years ago.
Despite the fact that every demographic pyramid is different, most fall into one of three categories: expansive (young and rising), constrictive (elderly and shrinking), or stagnant (little or no population growth).
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What are the positive effect of technology
PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 15 POINTS!!!!!!!!
Liam knew that all living things have common characteristics. His new baby brother made him think about how different all the types of living things were. Which of the following is not a common characteristic shared by all living things?
A. made of a cell or cells
B. made of similar chemicals
C. respond to surroundings
D. spontaneously generate
Answer:
Option D) - Spontaneously generate.
Answer:
Spontaneously generate
Explanation:
all living things have cells, are similar chemically (like have water) and respond to surroundings.
Spontaneous generation refers to an obsolete body of thought on the ordinary formation of living organisms without descent from similar organisms. The theory of spontaneous generation held that living creatures could arise from nonliving matter and that such processes were commonplace and regular.
what are the producers of in vitro fertilization
Answer:
IVF is the process of fertilization by extracting eggs, retrieving a sperm sample, and then manually combining an egg and sperm in a laboratory dish. The embryo(s) is then transferred to the uterus. Other forms of ART include gamete intrafallopian transfer (GIFT) and zygote intrafallopian transfer (ZIFT)
Explanation:
hope this helps, have a good day :-)
ASAP!! HELP PLEASE!! I WILL MARK YOU BRAINLIEST!!!
What do plants and phytoplankton have in common?
a
live on land
b
are consumers
c
use photosynthesis
d
use chemosynthesis
Answer:
C
Explanation:
Im not 100% sure but I'm almost 100% sure thats the answer
Answer:c
Explanation:
Oxygen released during photosynthesis comes from
A. ATP
B.H2O
C.CO2
D.C6H12O6
Answer:
B. H2O
Explanation:
Answer:
I believe it is D.
Explanation:
Through chemical reactions, leaves use the carbon and the hydrogen and form a carbohydrate (C₆H₁₂O₆). The extra oxygen is released as a byproduct. This is the oxygen that we use when we breathe.
What functions do vacuoles perform in plant cells? Select all that apply.
Answer:
Vacuoles store waste and in plant cells store water.
Explanation:
What are 2 examples of conservation efforts in the marine environment?
Answer:
Explanation:
Marine conversation is a structured plan in the protection and preservation of oceans ecosystem and seas.
Example of conversation method is,
Marine protected areas are areas protected to limit human activities. Some places are permanently closed while some are zoned into various categories.
Sustainable fisheries this is also done to conserve fishes in the ocean to avoid a continuous decline in population. It is done using theoretical approach and practical approach.
Decomposers serve a key role in the nitrogen cycle, primarily because they
Answer:
Break down dead material and release the nitrogen from the dead material back into the nitrogen cycle. The nitrogen would be trapped without the decomposers.
Explanation:
Here is a Riddle Good Luck!
What is Brown and Big
That Is Hungry in Summer And Sleepy in Winter
Answer:
A bear....
Explanation:
Answer:
definitely a bear
Explanation:
What is the uterus?
O A muscular organ where the fetus develops during pregnancy
The place where oocytes and estrogen are produced
O A female structure crucial in blocking bacteria and sperm
The passageway allowing the oocyte to travel to where it can implant
Answer:
A muscular organ where the fetus develops during pregnancy
Explanation:
Answer:
A muscular organ where the fetus develops during pregnancy.
Explanation:
The Uterus is the organ in the lower body of a woman or female mammal where offspring are conceived and in which they gestate before birth. It's also known as the womb.
Type the correct answer in the box. Spell all words correctly.
Which age pyramid has the largest base of pre-reproductive population?
pyramid has the largest base of pre-reproductive population.
Reset
Reset
Next
Next
Answer: By looking at all the age population pyramids, this would be my best guess. Every territory is different with various populations, however, to the best of my knowledge, it would be the expansive pyramid.
Explanation: Expansive population pyramids are used to describe populations that are young and growing. They are often characterized by their typical ‘pyramid’ shape, which has a broad base and narrow top. Expansive population pyramids show a larger percentage of the population in the younger age cohorts, usually with each age cohort smaller in size than the one below it. These types of populations are typically representative of developing nations, whose populations often have high fertility rates and lower than average life expectancies.
Which stage in the chart best represents a pioneer species?
Stage Organisms Present
А
None
B
Lichens and Moss
С
Grass
D
Shrubs and Small Trees
E
Forest
a
b
O O O O
Stage A
Stage B
Stage C
Stage E
С
d
Answer:
b
Explanation:
it is the most likely to be carried around by people on ships
Which division of time is the second smallest?
Answer:
PERIOD
Explanation:
A.P.E.X
Which of these locations is most likely to experience moderate climate throughout the year?
Answer:
b
Explanation:
The location that is most likely to experience moderate climate throughout the year is C.
The location C of the map will experience moderate climate because it is a coastal region of the map.
Moderate climate weather is described as a weather condition that occurs during the day, as cool air from sea rush towards the land and during night, as cool air from the land rush towards sea.
Because location C is a coastal region which means that the location is surrounded by land which better absorbs and radiates heat much faster than sea.
Therefore, the location that is most likely to experience moderate climate throughout the year is C.
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Which is NOT an example of a natural resource? A- Gold B- Oil C- Wood or D- Buildings
Answer:
D. Buildings
Explanation:
Buildings are man made.
Answer:D
Explanation: Man makes building you can't find it naturally because they're built.
infections may be caused by
A. mutations
B. microorganisms
C. toxic substances
D. climate changes
Answer:
I would say B
Explanation:
stuff like viruses, bacteria, and etc
Answer:
B.micro organisms
Explanation:micro organisms such as bacteria and protozoa results in diseases like flu and malaria.
Angelman Syndrome or Prader Willi will be present in a child when:
a) there is a deletion on the X chromosome.
b) there is a mutation involving the X chromosome.
c)methylation has occurred involving one parent's chromosome.
d)methylation has occurred involving both parents' matching chromosomes.
Answer:c
Explanation:
Which best explains how coal deposits formed?
A. Millions of years of pressure and heat turned decaying animals
and plants into coal.
B. Natural gas solidified underground, creating coal.
C. Heat from the sun transformed decaying animals into coal over
millions of years.
D. Dead plants compacted underground for hundreds of ylaars
eventually turned into coal.
Answer:
A: Millions of years of pressure and heat turned decaying animals and plants into coal.
Millions of years of pressure and heat turned decaying animals and plants into coal. Therefore, option (A) is correct.
What is coal?Coal is a fossil fuel that is formed from the remains of ancient plants and animals that have been buried and subjected to high temperatures and pressure over millions of years. As layers of sediment and rock accumulate over time, they compress the organic material and trap it beneath the Earth's surface.
Over time, the heat and pressure cause the organic material to break down and undergo a series of chemical changes, eventually forming coal. This process is known as coalification and can take millions of years to complete.
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what could be done in terms of genetic engineering to minimize the chance of farmed raised fish from breeding with wild fish
Answer:
you could split the fish apart from each other or into different groups
Explanation:
hope this helps
PLEASE HELP! THIS IS AN EASY EXPERIMENT BUT I DONT HAVE A PARTNER. PLEASE HELP ILL GIVE YOU 50 POINT!!!! IT won't TAKE YOU MORE THAN 10 MINUTES TO DO THIS
Instructions
1. Find a partner to complete the experiment with you. Do not do this experiment if you or your partner has a heart condition or other medical problem.
2. Take your heart rate by placing your middle or index finger on your wrist just below the thumb. Be sure to feel a distinct pulse before you proceed further.
3. Count the number of beats in 15 seconds and multiply this number by four to get the number of beats in one minute. This is your resting heart rate.
4. Record your resting heart rate in the table.
5. You should run or jump in place for 1 minute. When completed, have your partner take your pulse and record it in the table.
6. Keep track of the time and take your pulse at 1-minute intervals after you completed the initial exercise and record these results in the table.
resting heart rate:
heart rate directly after exercise:
heart rate 1 minute after exercise:
heart rate 2 minutes after exercise:
heart rate 3 minutes after exercise:
5. Have your partner complete steps two through six. Your partner should record their results below:
resting heart rate:
heart rate directly after exercise:
heart rate 1 minute after exercise:
heart rate 2 minutes after exercise:
heart rate 3 minutes after exercise:
Write a summary statement on what your results were and why? Include in your summary differences between you and your partner, your ages, your genders, your physical condition, or anything that you feel would have a bearing on your heart rate. Also, include in your summary the answer to this question: How do you think your results would change if you were 30 years older, and why?
Answer:
I did the exercise for you, and most of the summary.
Explanation:
My results were 64bpm before exercise, 96bpm directly after exercise, 76bpm 1 minute after exercise, 68bpm 2 minutes after exercise, and 64bpm 3 minutes after exercise. This is because I exercise often, which improves my cardiovascular function/fitness.
I am 19, female, and moderately fit.
Resting heart rate: 64bpm
heart rate directly after exercise: 96bpm (24x4=96)
heart rate 1 minute after exercise: 76 bpm (19x4=76)
heart rate 2 minutes after exercise: 68bpm (17x4=68)
heart rate 3 minutes after exercise: 64bpm (16x4=64)
How can a mutation that causes a change in the structure or function of a protein be beneficial to an organism?
Answer:
The development and function of an organism is in large part controlled by genes. Mutations can lead to changes in the structure of an encoded protein or to a decrease or complete loss in its expression.
Explanation:
Mutations can result in structural alterations in a gene's translation, as well as a decrease or complete loss of the gene's function.
Because a change in the DNA sequence affects all copies of the encoded protein, mutations may be extremely detrimental to a cell or organism.
Genes have a crucial part in an organism's development and function. Mutations can result in structural changes in the decoding of a gene, as well as a decrease or complete loss of its activity.
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The picture below shows a simple model of the rock cycle. Use the picture to answer any questions that follow.Which events at point 6 could transform sedimentary rock into igneous rock?
Extreme winds and storms weather the sedimentary rock into particles, which collect in rivers and are compacted into igneous rock.
Rising oceans erode mountains of sedimentary rock into particles, which sink and get compacted into layers that form igneous rock.
Tectonic plates drive sedimentary rock under Earth's surface, where it melts into magma and turns into igneous rock as it cools.
Shifting tectonic plates push the sedimentary rock toward the poles, where it freezes and hardens into igneous rock.
Answer:
Tectonic plates drive sedimentary rock under Earth's surface, where it melts into magma and turns into igneous rock as it cools.
Explanation:
Male birds of two different species living on the same island have developed different mating behaviors, as
shown in the table below.
Species
A
Mating Behavior of Male Birds
rapid chirps while spreading their tail feathers
movement in circles while spreading their tail feathers
B
Which statement is best supported by information in the table?
(1) It is likely that male birds in species A will mate with female birds in species B.
(2) It is likely that birds from species A will only mate with birds from species A.
(3) Male birds from one species will change their mating behavior if the only female birds available are from
the other species.
(4) Mating behaviors are important only when these two species live together in the same area.
Answer:
It is likely that birds from species A will only mate with birds from species A.
Explanation:
Microclimates can be affected by: elevation, large cities, density of vegetation or all of these - pls :(
Answer:
elevation
Explanation:
How does the need for resources affect the relationships organisms in an ecosystem?
Answer:
The need for resources will make the organisms competitive in their ecosystems.
The difference between a personal right and a political right considers __________.
A.
the political impact and intent of the action
B.
the economic impact and intent of the action
C.
whether or not somebody witnessed or knows about the action
D.
none of these are the difference between a personal right and a political right
Answer:
A. the political impact and intent of the action
Explanation:
For example a fair trial would be a political right whereas, something which is more fundamental in nature such as freedom of association.
Which factors add to the greenhouse effect and are caused by human activities? Select two options. (This question requires Two answers)
A.a decrease in the amount of dust in the atmosphere
B.a decrease in the amount of water on Earth’s surface
C.an increase in gases in the atmosphere that absorb heat
D.an increase in surfaces that radiate energy into the atmosphere
E.an increase in the amount of solar radiation that reflects into space
Answer:
There is overwhelming evidence that human activities, especially burning fossil fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean, and land surface to.Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
Explanation:
EXAMPLES: Burning of Fossil Fuels: Fossil fuels like coal, oil and natural gas have become an integral part of our life. ... Deforestation: Forests hold a major green area on the planet Earth. ... Increase in Population: Over the last few decades, there have been huge increase in the population.according to the Nationalinstitute on drug abuse 2013 survey how much is spent annually in workplace because of drugs
Answer:
600
Explanation:
According to the Nationalinstitute on drug abuse 2013 survey, 600 dollars is how much is spent annually in workplace because of drugs.
PLEASE GIVE BRAINLIEST!!!!
during a lunar eclipse, what occurs?
Answer:
the sun gets behind the moon
Explanation:
Answer:
the moon moves into the earth's shadow, so no sunlight reaches the moon. This only happens when the sun, earth and the moon are in line with each other.
