Answer:
because dominant traits cover up the recessive ones. Hence why they are called dominant.
Explanation:
Which geological feature can be created by a divergent boundary?
A) mid-ocean ridge, rift valley
B) mountain chains
C) earthquakes
D) volcanos
Answer:
A. Mid ocean ridge
Explanation:
A divergent plate boundary often forms a mountain chain known as a ridge. This feature forms as magma escapes into the space between the spreading tectonic plates.
The mid-ocean ridge, rift valley is a geological feature can be created by a divergent boundary. Therefore option A is correct.
A divergent boundary is a type of tectonic plate boundary where two lithospheric plates move away from each other. This movement creates a gap or space between the plates, allowing magma from the asthenosphere (the partially molten layer of the Earth's mantle) to rise and fill the void.
As the magma reaches the surface, it cools and solidifies, forming new crust. This process occurs primarily in the oceanic lithosphere, resulting in the formation of mid-ocean ridges.
Mid-ocean ridges are underwater mountain ranges that run along the seafloor and span across the Earth's oceans.
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proteins are made at the ?blank
Answer:
below
Explanation: Ribosomes cell
What happens to a cancer cell when it becomes damaged?
Answer:
More cells get produced to make the cancer worse, or if it breaks enough, it will break
Explanation:
Answer:
It will just multiply
Explanation:
How does reproduction impact plant growth and survival?
Answer:
nutrients are major determinants of plant growth and productivity in nature
Explanation:
Which is the preserved evidence of the activity of an organism a) cast b) mold c) fossil film d) trace fossil
Answer:
fossil film
Explanation:
A carbonaceous film or carbon film is an organism outline of a fossil. It is a type of fossil found in any rock when organic material is compressed, leaving only a carbon residue or film. ... Fossils usually form when sediment buries a dead organism.
The preserved evidence of the activity of an organism is trace fossil. The correct option is d.
What is trace fossil?Animal behavior is what creates a trace fossil. A trace fossil might be something like a dinosaur footprint or an arthropod burrow. Beetles' pre-fossilization burrows can be seen as holes in this petrified wood.
When an organism leaves an impression in mud or sand, a trace fossil is created. Sediment dries out and becomes harder.
A fresh sediment layer has been added on top of it. The remnant fossilizes as the sediment hardens into rock as a result of cementation and compaction.
Body fossils are the hard parts of an individual creature or plant that have been preserved over time. Trace fossils are the best-preserved examples of an organism's past activity.
Thus, the correct option is d.
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What is the name for the loose layer on top of soil created by fallen leaves and plant remains?
1. Topsoil
2. Loam
3. Litter
4. Humus
Topsoil layer
Sorry if I'm wrong
What are the effects of fishing on the reef ecosystem
Answer:
Coral reef fish are a significant food source for over a billion people worldwide. Many coastal and island communities depend on coral reef fisheries for their economic, social, and cultural benefits. But too much of a good thing can be bad for coral reefs. Download this infographic | Infographic Text
Coral reef ecosystems support important commercial, recreational, and subsistence fishery resources in the U.S and its territories. Fishing also plays a central social and cultural role in many island and coastal communities, where it is often a critical source of food and income.
The impacts from unsustainable fishing on coral reef areas can lead to the depletion of key reef species in many locations. Such losses often have a ripple effect, not just on the coral reef ecosystems themselves, but also on the local economies that depend on them. Additionally, certain types of fishing gear can inflict serious physical damage to coral reefs, seagrass beds, and other important marine habitats.
Coral reef fisheries, though often relatively small in scale, may have disproportionately large impacts on the ecosystem if conducted unsustainably. Rapid human population growth, increased demand, use of more efficient fishery technologies, and inadequate management and enforcement have led to the depletion of key reef species and habitat damage in many locations.
Yeast cells have 16 chromosomes and reproduce asexually. How many chromosomes would its diploid cell have?
Answer:
fourty six chromosomes
I think that 46 is the answer :)
AQUATICS SCIENCE I need help please
Answer:
a spring
Explanation:
it is the source of the river
Answer: A spring.
Explanation:
Which of the following statements is true?
hurry please
A.The boiling point is higher for 100 liters of water than for 10 liters.
B.During deposition, a gas changes directly into a solid.
C.The condensation points for oxygen and hydrogen are the same.
D.All of the above.
Answer:
B. During deposition, a gas changes directly into a solid
Explanation:
First we can cross of A, because the boiling point is the same it just takes longer to get there.
So since A. is incorrect, that means D. has to be incorrect too. That leaves us with B. and C.
Finally, I already know what deposition is so since it is not D. it has to be B.
_______ are chemical messengers that are produced in one body region but affect a different body region
Hormones
Enzymes
Neurotransmitters
Nucleic acids
Answer:
Hormones
Explanation:
Who was the first to try vaccination (NOT VACCINE BUT THE SIMILAR METHOD)
Answer:
Traditional Indian and Chinese medicinal
systems sometimes deliberately rubbed the
skin crusts from smallpox victims into the
the skin of healthy people. They thus hoped to
induce a mild form of smallpox that would
create resistance against the disease.
Answer:
Traditional Indian and Chinese medicinal
systems??
How has law enforcement and U.S racially effected black communities.
Explanation:
For example , black people may be arrested more frequently in part because they experience greater poverty.
Story #1
Once upon a time, there lived a population of mountain people whose members all had wings but different
types-either bat wings or bird wings. 40% of the population had bat wings and 60% of the population had bird
wings. One day, a storm hit that lasted for several weeks. Those with bat wings were able to fly around and
find food because their wings were water resistant, while those with bird wings were not able to get food
because their feathers were not water resistant and got soaked through. Many of the bird-winged people starved
and did not survive, so their alleles decreased in the gene pool, lowering the frequency of the bird wings in
future generations. Over many generations, the environment had more and more long periods of rain and the
genetic makeup of the population shifted to 10% with bird wings and 90% with bat wings.
What is the trait being described?
What are the variations that exist in this population?
3. How did the event lead to the change in allele frequency?
Alleles?
4. What type of evolutionary mechanism did this story show?
5. Was there an adaptation in this story? If so, identify it.
6. Did the change make the population more or less similar to other populations?
7. Would this increase or decrease reproductive isolation?
Increase or decrease speciation?
8. Did the new population change for the better, worse, or have no effect? Why?
Answer:
The trait being described is the ability to fly in rainy season.
Explanation:
The trait being described is the ability to fly in rainy season. The people with bat wings and people with bird wings are present in the population. The event lead to the change in allele frequency because the population of people with bird wings die due to starvation. Yes, the bat wings were adapted to that environment so they are able to survive. The change make the population less similar to other populations because population of people with bat wings increases as compared to other population. Yes, the new population change for the better of the ecosystem because the population is able to controls the population of other species in the ecosystem.
4. What best describes the role of mutations in evolution?
a. Mutations are not necessary for evolution because they are not herita
b. Mutations are useful for evolution to occur because they promote ger
uniformity within a population.
c. Mutations are essential for evolution to occur because they produce
variations within a population.
d. Mutations are essential for evolution to occur because they are respo
environmental changes.
Answer: option C.
Mutations are essential for evolution to occur because they produce variations within a population.
Explanation:
This is because Mutation refer to change in the genetic content or DNA composition of organisms. Therefore , for evolution to occur there must be Mutation because it is the main source of genetic variation or causes genetic variation needed for evolution.
Mutation is important as the basics of evolution because it produce a new DNA sequence for a gene function, which lead to the formation of new allele.
Meningitis may be transmitted from one person to another by:
water
sneeze
cough
soil
Answer:
cough!!!!
Explanation:
When the Australian wildfires occurred, what short-term effect did the
ecosystem experience?
A. Plants and/or animals relocated or died.
B. All of the plants died but the animal population increased.
C. There was no effect on the ecosystem.
D. The trees grew back quick and the animals were not affected
Answer:
A. Plants and/or animals relocated or died.
Explanation:
Plants and animals will eventually come back, so that is a short-term effect on the ecosystem.
Hope this helps! :)
Choose the word that best completes each sentence.
Bacteria cells have a rigid cell
that gives the bacteria its shape.
The outermost structure of the bacteria cell is the
, which comes in contact with the environment.
Some bacteria have
, or whiplike tails that spin to propel them forward.
Answer:
1 wall
2 capsule
3 flagella
Explanation:
Just got this right :]
Answer:
1. wall
2. capsule not cell wall!!!!
3. flagella
Explanation:
don't put cell wall for number 2 i got it wrong
My test is timed, who ever answer this first will be Brainliest, How many genes for each trait does a child inherit?
Answer:
One allele for every gene in an organism is inherited from each of that organism's parents.
Explanation:
Answer:
These two copies of the gene contained in your chromosomes influence the way your cells work. The two alleles in a gene pair are inherited, one from each parent.
Explanation:
In two sentences explain the difference between incomplete dominance and complete dominance.
Answer:
In complete dominance, only one allele in the genotype is seen in the phenotype. In codominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.
Explanation:
Where does the mRNA go after it is produced?
Answer:
The mRNA goes after it is produced is made messenger RNA (mRNA) is a single-stranded RNA molecule that is complementary to one of the DNA strands of a gene. The mRNA is an RNA version of the gene that leaves the cell nucleus and moves to the cytoplasm where proteins are made.
Explanation:
mRNA formed in the nucleus is transported out of the nucleus and into the cytoplasm where it attaches to the ribosomes. Proteins are assembled on the ribosomes using the mRNA nucleotide sequence as a guide. Thus mRNA carries a “message” from the nucleus to the cytoplasm.
what are ionic bonds?
A cell that is placed in distilled (plain) water will swell up because it fills
with water. Which process causes the cell to swell?
Answer:
If a cell is placed in a hypotonic solution, water will move into the cell. This causes the cell to swell, and it may even burst. A hypertonic solution means the environment outside of the cell has more dissolved material than inside of the cell. If a cell is placed in a hypertonic solution, water will leave the cell.
Explanation:
I hope this helps! ^^
☁️☁️☁️☁️☁️☁️☁️☁️
a) If Earth's history has lasted 4.6 billion years (4600 million years), and one calendar year has 365 days, how many years would be represented by one calendar day?
The number of years would be represented by one calendar day is to be considered as the 144 years.
Calculation of the number of years:Since
Earth's history has lasted 4.6 billion years (4600 million years), and one calendar year has 365 days
So here it should be like 144 years
hence, The number of years would be represented by one calendar day is to be considered as the 144 years.
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how do scientists know living things are related to eachother? (there are two way)
Answer:
scientists can also analyze DNA to discover how closely organisms are related. Every living creature has DNA, which has a lot of inherited information about how the body builds itself. Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.
There are two types of joints. One is movable and the other is called what?
flexible
muscular
immovable
optional
Answer:
Knee
Explanation:
I thinko
Which of the following undergo meiosis?
A Liver cells
B. Sperm cells
C. Unicellular organisms
D. All of the above
rion
таасан
Answer:
The sperm cells.
Explanation:
Liver cells, sperm cells and unicellular organisms all undergo meiosis. Therefore, the correct option is D.
A specific cell division known as meiosis occurs in sexually reproducing organisms. The cells produce gametes through this process, which are the specialized sex cells used in sexual reproduction. Despite not being directly involved in reproduction, liver cells can undergo meiosis. Under certain circumstances, meiosis in liver cells can be induced to form haploid cells.
Male gametes, or sperm cells, undergo meiosis as part of spermatogenesis. Haploid sperm cells with half the number of chromosomes than the parent cell are formed during meiosis in the testis. Depending on their reproductive strategies, unicellular organisms may also undergo meiosis to produce haploid cells that can mate with other haploid cells during sexual reproduction.
Therefore, the correct option is D.
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Which statements describe aspects of what causes wind to blow? Select two options.
Answer:
statements describe aspects of what causes wind to blow is Wind is caused by differences in air pressure. Explanation: Due to different rate of heating and cooling of air there is difference of the air pressure on the surface of the land.Apr 10, 2020
Answer:
The Correct Answer is A and C.
Explanation:
The wind is the movement of air, the movement of air is happened by the difference in pressure.
A difference in air pressure is what causes the wind to blow. Difference in pressure is happened by the uneven heating of the earth's surface.
The wind is normally moving air from a high air pressure place to a low air pressure place.
The greater the difference in air pressure the stronger the wind blow.
(this is for EDGE)
helppppppp like frrrrrr
Answer:
A = rough er
B = chloroplast
D = Cytoplasm
C = most likely a lysosome
E = cell wall
Why do you only need one copy of a dominant trait gene to have that trait?
Answer:
Each gamete contains a single copy of every chromosome contains one allele for every gene. There for, each allele for a givin gene is packaged into a separate gamete. For example: a fly with the genotype Bb will produce two types of gametes:B and b