Answer:
The last one if there are multiple answers please tell me.
Explanation:
just when with the one i knew in heart
The reappearance of recessive traits (red flowers and round pollen) in the F2 generation of a dihybrid cross is explained by Mendel's Law of Independent Assortment, which states that genes on different chromosomes assort independently during gamete formation. When members of the F1 generation cross-pollinate, recombination of alleles can result in the re-expression of the recessive traits in the F2 generation.
Explanation:Your observation of red flowers and round pollen in the F2 generation of a dihybrid cross in pea plants is possible because these traits are on different chromosomes. If two genes are located on separate chromosomes, they will assort independently during gamete formation. In a dihybrid cross involving two traits, the different combinations of alleles may result in the re-expresssion of recessive traits in the F2 generation. This is known Mendel's Law of Independent Assortment.
To illustrate, consider that a parental generation plant with dominant alleles for both traits (i.e., purple flowers and elongated pollen) is crossed with a plant having recessive alleles (i.e., red flowers and round pollen). In this case, the F1 generation will all exhibit the dominant traits because dominance masks the effect of recessive alleles. However, when the F1 generation cross-pollinates, the F2 offspring can include plants with the recessive traits due to recombination of alleles.
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why do organism need food
Explain how the structure of the cell membrane is related to its function.
Answer:
The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the lipid bilayer with embedded proteins
Explanation:
Answer:
The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the lipid bilayer with embedded proteins.
Explanation:
Also if this answer helps you can I please get brainilist
At a plate boundary where two thick plate edges of continental crust are coming together, what kind of formations might you eventually see on Earth’s surface?
At a plate boundary where two thick plate edges of continental crust are coming together, subduction occurs on Earth’s surface.
Tectonic PlatesSubduction zones are tectonic boundaries plates where two plates connect and one plate push under the other.
This process results in earthquakes and volcanoes.
The oceanic crust sinks into the mantle.
Subduction zones are found in the "the ring of fire", where most of the volcano and earthquake happens.
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The pattern of
in an area over a long period of time is called
A
climate, temperature
B.
weather, rain
c. weather, climate
D. climate, weather
Answer:
C
Explanation:
Weather is the atmospheric con edition of a place over a period of time and climate is the weather condition of a place over some years for example the weather in USA over a period of twenty years can be said to be the climatic condition of USA.
What a makes butterfly so special?
What will likely happen to the population of these beetles during the next year if the resource level stays the same?
Explain your answer.
The population of beetle will stay the same if the resource stay constant do not show any effect on the population.
What do you mean by population of a species ?A population is nothing but a cluster of individuals of the same species reside in a same geographic location and interbreed with each other.
Age structure, sex ratio, the rates of reproduction and death are some demographic structure of a population.
The demographic structure of a population is needed to understand the cause of increase or decrease of a population over time, the changes in species with respect to their environmental and how the trait of a species evolve.
For the determination of ecological dynamics of populations resource availability is one determinant, where fluctuations in resource availability can either increase or decrease the intensity of competition for resource which lead to an evolutionary changes in traits.
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I need answers fast! please help
Answer:
2
Explanation:
Going down hill, kenetic is moving motion.
What evidence did Darwin use to support his theory of evolution? Select three options.
1. in-depth studies of individual organisms
2. observations of fossils
3. finches on different islands had different types of beaks
4. young finches that acquired desirable traits as they aged
5. observations of different species with varying traits
Answer:
2, 3, 5
Explanation:
Darwin's theory of evolution is most often associated with his study of finches.
He noticed that finches present on different islands had different types of beak suited to that particular environment. On one island, the beaks were better suited for cracking nuts. On another, they were long and thin for searching for bugs.
These finches came from a common ancestor, and migrated to different islands. Due to natural selection and lack of intermixing between the islands, the finches developed different traits over time.
He did this work with other species as well, noting that different species had developed distinct features that suited them to their environment.
Darwin also studied fossils, which provided evidence that animal form (anf function) changed over the course of thousands of years. This supported his idea of evolution that resulted from natural selection.
Answer:
2,3,5
Explanation:
i took the test
Which part of the brain receives sensory stimuli and passes along the information to the other parts of the brain?
Answer:
The Hypothalamus
Explanation:
This is a tiny part of the brain located at the forebrain, right above the pituitary glands. This tiny body regulates temperature control, thirst and sleep. It collects data from other parts of the brain and sense organs through nerve impulses. It acts as the link between the nervous system and the endocrine system.
The hypothalamus monitors the temperature of the blood that passes through it to detect any change in the body temperature. It also receives information about temperature changes in the external surroundings from thermoreceptors messages sent from the skin.
what are some basic steps to saving tropical rainforests?
Answer: there's a lot we can do
Explanation: we can make the regulations bigger for deforestation, continue to add back to the environment ( planting more vegetation) put what we cut down to use before cutting more. find other materials besides wood/bamboo to build/make things with.
what atoms make up sugar molecules?
Answer:
Carbon, Hydrogen, Oxygen
Explanation:
it doesn't matter what type of sugar you're talking about, fructose, glucose, etc. all sugars are made from C, H, and O
the universe contains:
a - few black holes
b - billions of galaxies
c - millions of stars
d - few wavelengths
Answer: The Universe Contains B.
Explanation: I got it right :)
The Arctic cod is a small forage fish that is a very important part of the food web. It eats mostly zooplankton and lives water between -2 and 0°C due to a type of antifreeze in its blood. How does a warming climate and seas waters as well as ice melt impact the Arctic cod and the other organisms in the food web?
A) As the water temperatures warm, the plankton increases, the cod increases and all of the higher level consumers also increase.
B) As ice melts and temperatures increase, the polar bears decline so all other animal populations, including the Arctic cod, increase.
C) The Arctic cod lives in a very small temperature range. If it begins to die out, the food source for the next level of consumers will be reduced.
D) The Arctic cod will eventually adapt to the changing water temperatures. Since there is plenty of food for the cod, its population should remain stable.
Answer:
The answer should be C.
How is energy related to the change of state represented
by the model?
Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid
Atoms lose energy as a gas changes to a liquid.
O
Answer:
Due to the acquisition and loss of atomic energy
Explanation:
what is the basic form of matter which cannot be broken down any
further?
A
a compound
B an element
C
a chemical reaction
D
an organism
Answer:
B: element
Explanation:
Elements are pure substances found in nature, so they can't be broken down.
Answer:
b i got a 100%
Explanation:
According to theories of weight gain, Calorie consumption has increased dramatically due to all of the following except
Answer: Protein consumption
Explanation:
Consuming proteins produces greater satiety, improves blood glucose stability and improves lipid levels, and balancing carbohydrate consumption with protein consumption is studied as a dietary alternative.
WILL GIVE BRAINLIEST AND POINTZ
Which of these is a function of the blood?
A.) carry oxygen to cells
b.) carry wastes to be removed
c.)both are functions of the blood
Answer:
C
Explanation:
Blood is needed to keep us alive. It brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.
Answer:
C
Explanation:
usually it is carrying the oxygen to to other parts of the body hence why the blood is red, our blood is blue till it meets oxygen, and occasionally it is carrying the bad waste in the body to get out so i believe that it is C
The following image is of a diatom. It lives in water and gets food from photosynthesis. It is encased in a hard shell made of something similar to glass or sand.
Image by Damián H. Zanette
A diatom is a(n) _______ because it has _______.
Answer:
A diatom is a(n) autotrophic algae because it has chlorophyll.
Explanation:
Diatom is a type of unicellular and eukaryotic algae which has the ability to make their own food like plants from sunlight due to the presence of chlorophyll pigment. Diatom helps in fixation of carbon in the process of photosynthesis. About 20 percent of carbon fixes by diatom and plays an important role in climate change. It lives in water and provides food for many herbivores.
Singled-cella’s organism , only one cell
The data in the graph support which of the following claims?
A. Natural processes are the main cause of rising global
temperatures
O
B. Natural processes have a small cooling effect on climate change,
O
C. Human activity and natural processes cancel each other qut.
D. Human activity is the main influence on recent climate change,
SUBMIT
PREVIOUS
Answer:
D. Human activity is the main influence on recent climate change,
Explanation:
Climate change occurs due to human activities which releases harmful gases that pollute our environment. For example, carbondioxide is a greenhouse gas which is released in the atmosphere through vehicles and industries. This carbondioxide absorb heat from the reflected solar radiation which increases temperature of the environment and causes global warming.
Answer:
Human activity is the main influence on recent climate change.
Explanation:
AP!X STUDENTS!
Question 2
12.5 pts
A patient who has been diagnosed with cancer has been given a blood test in order for their
doctors to investigate the patient's genetic code. What information from the test would help
confirm the patient's cancer diagnosis?
Cell increasing their chromosome number due to the occurrence of cancer cells.
Gametes becoming diploid cells due to the introduction of cancerous cells.
O A genetic mutation in a protein controlling his cell's cycles leading to cancerous tumors.
Somatic cell production being inhibited by his cancer cells.
Answer:
The blood test performed on the patient, with the investigation of his genetic code, would help to shape the diagnosis of cancer based on information about a genetic mutation in a protein controlling his cell's cycles leading to cancerous tumors.
Explanation:
Cancer is a disease characterized by the appearance of malignant tumors produced by abnormal replication of a cell line and the increase of tissue dependent on it.
Somatic cells are capable of replication, to make tissues grow, renew or repair them, counting with control mechanisms that stop cell division at an opportune moment.
A genetic mutation can alter a cell cycle regulating protein and lead to uncontrolled cell division and the production of cancerous tumors.
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When determining the temperature of a substance, what property of its particles is being measured?
Answer:
Not 100% sure but I do think that its the kinetic energy. Hope this help you.
I hand to look it up.. but everything said kinetic energy. Really hope this helps.
HELP!!!
An incident in Donora, Pennsylvania, led to which action?
banning the burning of coal
enacting air pollution laws
banning the use of CFCs
conducting cost-benefit analyses
Final answer:
The incident in Donora, Pennsylvania led to the enacting of air pollution laws, including the passage of the Clean Air Act in 1954. This event significantly influenced environmental regulations, setting emission limits and advancing command-and-control policies to reduce industrial pollution.
Explanation:
The incident in Donora, Pennsylvania had a profound impact on environmental regulation in the United States. In 1948, Donora was the site of one of the worst air pollution disasters in the nation's history, when a combination of a temperature inversion, local industrial pollution, and the burning of soft coal resulted in a thick smog that persisted for five days. As a result of the Donora Smog, which caused severe health issues and deaths among the local population, enacting air pollution laws became a priority.
A significant outcome of this event was the passage of the first Clean Air Act in 1954, a key piece of legislation that was further strengthened in subsequent years. This act led to regulations that directed industries to reduce emissions, and it pioneered the approach of setting limits on pollutants, leading to the improvement of air quality and the reduction of negative health effects.
These air pollution laws are a form of 'command-and-control regulation', wherein governments specify allowable limits of emissions and require the installation of pollution-control technologies in factories, power plants, and on vehicle tailpipes. By enforcing these regulations, firms have to account for the social costs of pollution, representing a move towards the internalization of environmental externalities into the production process.
Mimicry is an resemblance between an organism and another object and they
advantages are???
Answer: Camouflage or deterring predators
Explanation: Mimicry can help an organism blend into its surroundings if they are resembling something in the environment.
It can also help deter predators if they are resembling a poisonous or venomous organism; an example of this is the non-venomous king snake, which mimics the venomous coral snake to deter predators from eating it.
Answer:
1). Its advantages is defense adaption.
2). It makes them look like an uninteresting object.
3). It becomes a specie that potential predators normally avoid because it posses an unpleasant or harmful feature like a foul smell or taste, or a poisonous sting.
Note: Several insects look like dead leaves and bird droppings and so, although noticed, are ignored by their potential predators. Example is in Mullerian mimics, unrelated animals like the striped polecat and the striped weasel of the savanna have similar broad white stripes on a black body. Their enemies associate the conspicuous appearance with the foul smelling liquid they squirt, and so avoid them.
What are the physical properties of the sun? (and please don't copy and paste)
Answer:
Bright, Hot, Yellow or Orange
Explanation:
Physical properties are the properties you can see, so anything you see (or think you see, please don’t look at the sun) is a physical property. Physical Properties include color, shape, size, the ability to emit light, etc.
what is a good description of Badwater Basin
Answer:
Badwater Basin is an endorheic basin in Death Valley National Park, Death Valley, Inyo County, California, noted as the lowest point in North America, with a depth of 282 ft (86 m) below sea level.
Explanation:
Red flowers (dominant) crossed with white flowers (recessive) can yield pink flowers. Pink is the heterozygous condition in a trait that shows incomplete dominance. If pink flowers are crossed with white flowers, assuming random chromosome segregation, what percentage is expected to be red flowers?
1) 0%
2) 25%
3) 50%
4) 100%
Answer:
Red flowers (dominant) crossed with white flowers (recessive) can yield pink flowers. Pink is the heterozygous condition in a trait that shows incomplete dominance. If pink flowers are crossed with white flowers, assuming random chromosome segregation, what percentage is expected to be red flowers?
RR x rr= Rr, Rr, Rr, and Rr
Red x White= Pink heterozygous
Rr x rr= Rr, Rr, rr, and rr
Pink x White= 0% as both Pink and white shares it with 2:2 or 50:50%
Explanation:
Final answer:
When pink flowers (incomplete dominance, CRCW) are crossed with white flowers (CWCW), the resulting phenotypic ratio is 1 pink (CRCW) to 1 white (CWCW). No red flowers (CRCR) will be produced, so the expected percentage of red flowers is 1) 0%.
Explanation:
The question is asking about the expected phenotypic outcome when you cross pink flowers with white flowers in a case of incomplete dominance. In incomplete dominance, a heterozygous organism (with one dominant and one recessive allele) shows a phenotype that is intermediate between the homozygous dominant and homozygous recessive phenotypes.
For example, in snapdragons, red flowers (CRCR) crossed with white flowers (CWCW) yield pink flowers (CRCW), where pink is the heterozygous condition. If pink flowers (CRCW) are crossed with white flowers (CWCW), the Punnett square combination will give us CRCW (pink) and CWCW (white) offspring. No CRCR (red) offspring will be produced because the white parent can only pass on the CW allele. So, the correct answer for the expected percentage of red flowers is 0%.
The genotypic ratio from this cross is 1 CRCW:1 CWCW, leading to a phenotypic ratio of 1 pink:1 white. No red flowers would be produced in this cross.
please help me very easy, will brainly etc
Answer:
D
Explanation:
kill to get a mate so adapt to get a mate
100 pointss!!
(see attached)
Answer:
C
Explanation:
Newton's Second Law of Motion states that acceleration is dependent on 2 things: the net force acting upon the object and the object's mass.
This law is shown is these equations:
acceleration=net force/mass
net force=acceleration*mass
Hope this helps! :)
Answer:
C
Explanation:
Newton's Second Law of Motion states that acceleration is dependent on 2 things.
. In snapdragons, the allele for red flower color (R) is incompletely dominant to the allele for white flower color (W). Snapdragons that are heterozygous for flower color have a pink phenotype. Which of the following crosses could show all three flower color phenotypes (red, white, pink) among the offspring?
RR x WW
RR x RW
RW x RW
RW x WW
Answer:RW X RW
Explanation:
Since they are both heterozygous when we make a prunnet square the options we get our RR RW RW and ww meaning that all phenotypes will be shown
Quesuull 2013
2 Points
The rate at which a population uses water has increased. Which of the
following changes most likely played a role?
O
A. Increased water conservation
O
B. Decreased need for water
O
C. Decreased population
O
D. Increased population
Answer:
D
Explanation:
I'm I'm not 100% sure so I'm sorry if it's wrong