Answer:
32
Explanation:
So i forgot what the genetic code is and how its read can somebody please be kind and help me..
Answer:
i d
Explanation:
A volcano erupts, killing all the organisms in an area. Eventually, small plants
grow but are eventually replaced by larger plants. What is the name for this
process?
O
A. Population
O
B. Cyclical
O
O
C. Succession
D. Biodiversity
PLEASE ANSWER FAST
Answer:
Succession.
Explanation:
Answer:
Succession
......................
In Kingdom Animalia, there are is a wide variety of organisms such as humans, reptiles, fish, birds, insects, and mammals. These organisms are different from each other in many ways. Why would scientists classify all of these organisms into the same Kingdom?
All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups.
Explanation:
Answer:
D :)
Explanation:
Imagine the grasshoppers population was gone. What would happen to the black and white bird population?
Answer:
The black and yellow bird population would begin to starve and would be forced to find alternative food, or die off. This would then send ripples through the food web, causing almost every species to be effected by the grasshoppers being gone.
Environmental agencies throughout the world believe that humans have forced Earth out of its natural cycle. Consider the choices below as possible sources of empirical evidence for anthropogenic climate change. Which choice does not support this view?
Answer:
Human activities increases the concentration of oxygen in the atmosphere.
Explanation:
Human is not responsible for the balance of oxygen gas in the atmosphere because human takes oxygen from the environment for the production of energy in the process of respiration. Plants are the key factor for maintaining the oxygen concentration in the atmosphere. Human activities are the main reason of increasing carbon-dioxide and other harmful gases in the atmosphere and increases the air pollution and change in climate occurs.
Answer:D
Explanation: i took dat bih
Which can remove carbon dioxide from the atmosphere?
plants and animals
animals and glaciers
oceans and glaciers
oceans and plants
Answer:
Oceans and plants
Explanation:
The landing of pollen on the stigma is followed by the growth of the pollen
tube towards the ovule. The pollen tube growth is guided by chemicals released from the pistil of the female flower. What is this type of growth in
the direction of chemicals called?
• positive chemotropism
• negative phototropism
• positive phototropism
Answer:
positive chempotesiem
Explanation:
-Answer the question from the picture
-Answer this question correctly and fast
Answer:
yes i agree with him
Explanation:
Before mitosis begins, which happens before the nucleus starts dividing?
The DNA replicates.
The cytoplasm separates.
The sister chromatids separate.
The homologous chromosomes cross over.
Answer:
The DNA replicates.
Before mitosis begins, the DNA replicates. During the S phase of interphase, which precedes mitosis, the DNA in the nucleus undergoes replication, resulting in the formation of identical sister chromatids.
This ensures that each daughter cell produced during mitosis receives a complete set of genetic information.
After DNA replication, the cell enters the mitotic phase, during which the nucleus divides and the replicated DNA is distributed to the daughter cells.
The cytoplasm separates during cytokinesis, which occurs after mitosis and is not directly related to events before nucleus division. The separation of sister chromatids occurs during anaphase of mitosis, not before the nucleus starts dividing.
Thus, the process of homologous chromosomes crossing over occurs during meiosis, not mitosis.
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In fruit flies, the gene for eye color is located on the X chromosome, and the red eye allele (R) is dominant
to the white eye allele (r). A carrier female is mated with a male fly with genotype X
rY. Which of the
following statements best describes the expected outcome of the cross?
a. The chance of an offspring having red eyes is 75%
b. The chance of an offspring having white eyes is 50%
c. The chance that a male offspring will have white eyes is 0%
d. The chance that a female offspring will have red eyes is 100%
Answer:
b. The chance of an offspring having white eyes is 50%
Explanation:
So the genotype of the male fly is X^r Y. This means the male has white eyes because he only has one X chromosome, so he will express whatever allele is on that chromosome.
The genotype of the female fly, though, is X^R X^r. This is because carriers are heterozygous for traits, and the sex chromosomes of most females is XX (with some exceptions, like XXX, or X (Turner syndrome)).
If we cross this, what are the outcomes? Do a Punnett square. You get the genotypes of X^r X^R, X^r X^r, X^R Y, and X^r Y. The expected phenotypes are a red eye female, white eye female, red eye male, and white eye male.
Now, let's look at the choices:
A.: The chance of an offspring having red eyes is not 75%; it is 50%.
B.: The chance of an offspring having white eyes is 50%!!!
C.: The chance that a male offspring will have white eyes is 50%, not 0%.
D.: The chance that a male offspring will have white eyes is 50%, not 100%.
Sooo, it's B!
Plz answer will give brainliest, no scammers plz
Conclusion
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.
What caused the tree bark to become darker?
In the lab simulation, which color peppered moth was able to have the higher rate of survival on the light bark?
In the lab simulation, which color peppered moth was able to have the highest rate of survival on the dark bark?
During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the population of dark-colored peppered moths to increase over time. Be sure to include how the ability to survive and reproduce impacts the process of natural selection.
Predict which color peppered moth would have a better chance of survival in your neighborhood? Explain why.
Answer:
conclusion
Explanation:
hope this helps
Answer:
1. What caused the tree bark to become darker than it was, was the soot from factories in the Industrial Revolution.
2. The light-colored peppered moths have a higher rate of survival on the light bark since it's the same color as it and can't be easily spotted.
3. The dark-colored peppered moths have a higher rate of survival on the dark bark since it's the same color as it and can't be easily spotted.
4. What caused the population of light-colored peppered moths to decrease was the color of the tree bark. The tree bark was dark from the soot from factories. If the tree bark was a dark color, then light-colored peppered moths are more easily spotted, and since the tree bark is a dark color the dark-colored peppered moths can hide more easily, and not be as spotted than the light-colored peppered moths.
5. You have to answer this question. If the tree bark is a dark color, then the dark-colored moths have a better chance of surviving, but if the tree bark is a light color, then the light-colored moths have a better chance of surviving.
What are two main sources of genetic material found in viruses?
Answer:
Most have RNA or DNA as their genetic material, but they also consist of a virion, which has nucleic acid and a shell of protein.
Explanation:
What might happen to the Burmese python population over time as it reaches or
surpasses its carrying capacity in South Florida? How might other organisms in the
ecosystem be affected? What might happen to the population sizes of various types
of organisms in the Everglades?
Answer:
If the Burmese Python surpasses its carrying capacity, the other organisms might not have enough food, or there is barely a chance of survival for the pythons' prey. The population sizes of other organisms might go down, and go to..extinction :/.
Explanation:
If the Burmese Python exceeds its carrying capacity, other creatures may starve or the pythons' prey may not survive. Other creatures' populations may go extinct.
What is carrying capacity?The typical number of individuals belonging to a species that are found in a given ecosystem is one definition of carrying capacity. The population size of the species is restricted by environmental conditions such as the availability of sufficient food, shelter, water, and mates. In the event that these requirements are not fulfilled, the population will continue to decline until the resource levels recover.
Therefore, if the Burmese Python population grows above its carrying capacity, the other creatures in the area may not have access to enough food, and the prey of the pythons will have an extremely low chance of surviving. It is possible that the population sizes of other organisms will decrease, leading to their eventual extinction.
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Jacque is hiking in the mountains and sees a very large and colorful rock layer. It looks different than the surrounding rock layers. What is the best way for Jacque to investigate what the environment was like when this rock layer was deposited?
Jacque could measure the height of the rock layer.
Jacque could check if the rock layer has fossils in it.
Jacque could look at the color of the surrounding rock layers.
Jacque could chip off a chunk of rock from the rock layer and smell it.
Answer:
Check if the rock layer has fossils in it.
Explanation:
The rock layer from the inside out and the fossils will tell you how old the rock is.
Jacque could check if the rock layer has fossils in it, as the presence and types of fossils can often provide clues about the environment in which they were formed.
What can a rock layer tell about the environment?To investigate what the environment was like when a rock layer was deposited, there are several approaches that can be taken:
Look for clues in the rock layer itself: The rock layer itself can often provide clues about the environment in which it was formed. For example, the presence of certain minerals or fossil types can indicate the presence of specific conditions, such as warm or cold temperatures, or a marine or terrestrial environment.
Examine the surrounding rock layers: The rock layers above and below the rock layer of interest can provide additional context and clues about the environment. For example, if the surrounding layers are sedimentary rocks, such as sandstone or shale, it may indicate that the area was once covered by water.
Use rock dating techniques: As mentioned earlier, techniques like radiometric dating and relative dating can help determine the age of a rock layer and provide insight into the environment that existed at the time it was formed.
Conduct additional analyses: Depending on the type of rock and the questions being asked, it may be possible to conduct more detailed analyses, such as chemical or isotopic analyses, to gather further information about the conditions under which the rock formed.
Consider the current location of the rock layer: The current location of the rock layer can also provide clues about the environment in which it was formed. For example, if the rock layer is found in a mountain range, it may have formed in a tectonically active area, while a rock layer found in a flat, low-lying area may have formed in a more stable environment.
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What is the largest object in the image above??
Answer:
The one to the extreme right
Explanation:
The graph shows the progression of size getting larger from left to right
Which process(es) increases genetic diversity in a population?
Question 8 options:
a)
Natural selection
b)
Asexual reproduction
c)
Mutation & Sexual Reproduction
d)
Genetic drift
Answer:
it is B, C, D
Marvin blows up a balloon but lets go of it. The air inside is released and the balloon goes up into the air. What best describes what happens?
Answer:
The thrust of the air propels the balloon in the opposite direction
Explanation:
Answer:the thrust goes the opposite direction
Explanation: the air is blowing one way while the push of force thrusts the balloon the other way
PLEASE HELP. 20 POINTS
Alpha-1 is a hereditary disorder that affects the lungs. In order for the disease to develop, a child must inherit one recessive allele from each parent. Suppose Caryn’s mother has Alpha-1 and her father carries only one recessive allele. Which of the following claim best describes Caryn’s situation?
Caryn has no chance of developing Alpha-1.
Caryn has no chance of being a carrier for Alpha-1.
Caryn has a 50 percent chance of developing Alpha-1.
Caryn has a 100 percent chance of developing Alpha-1.
Caryn has a 50 percent chance of developing Alpha-1.
Answer:
50 percent chance
Explanation:
If you disagree with a point a discussion partner is making, it is usually a good idea to:
A. change the subject.
B. enlist others to join your effects
C. repeat your argument
D. ask verifying questions
Answer:
D. ask verifying questions
Explanation:
they would be a better solution instead of changing the subject or repeat the argument all over again.
How do funguslike protists reproduce
Answer:
Sporulation
Explanation:
Simply put spore formation.
Losing 100 orangutans a week is an astonishing number. Within your lifetime they could become extinct in the wild because of human impact. We use palm sugar in many products consumed and other things. Do you feel that it could be said we have a parasitic relationship with orangutans? Defend your answer.
if the orangutans eat the fruits, basically their place of residence is their only means of obtaining and if the human continues to cut down trees and destroy forests, the fruits will be lost and the monkeys will starve and thus could become extinct.
hope this help (>-<)
why do animals and plants need nitrogen
Answer:
They need Nitrogen to make Amino acid, DNA but the nitrogen in the atmosphere can't be used directly. Some nitrogen fixing bacteria fix it then it is able to use for plants and animals.
hope it helps!
Answer:
Plants and Animals need Nirogen and its Sufficent
Explanation:
Plants need Nitrogen especially Crops because they give protein with the help of nitrogen by the help of Rhizobium Bacteria.
With This Protein, Animals ( Herbivores) eat this for energy which contains nitrogen
When two liquids have the same osmotic pressure they're said to be
Question 6 options:
hypotonic.
hypertonic.
isotonic.
diffuse.
Answer:
Isotonic
Explanation:
Answer: isotonic is the Penn Foster test answer
pls help thanks explain your answer.
Answer:
Explanation:
There must be a lot of producers due to the fact that only 10% of energy passes onto the next level. The producers need to keep up with the energy supply so there are many of them.
The process of cellular respiration takes place mostly in the _______.
A.
lysosomes
B.
nucleus
C.
mitochondria
D.
endoplasmic reticulum
Answer:
C)mitochondria
Explanation:
The cellular respiration occurs in the mitochondria.The anaerobic process of glycolysis takes place in the cytoplasm of the cell.
Answer:
c. mitochondria
Explanation:
Which plant or plant part is a source of edible oils?
A.
wheat
B.
kidney beans
C.
sunflower
D.
rice
E.
cottonseed
Answer:
kidney beans is correct
Explanation:
The picture shows a girl with a widow's peak.
The girl has a widow's peak because of her
genes, which are located in chromosomes in her cells' nuclei.
hormones, which are passed on from previous generations.
nutrition, and indicates her needs are met.
environment, in which it is an advantage.
Which ecosystem is found mainly in warm tropical waters?coral reefs or kelp forest
Answer:
coral reefs
Explanation:
they thrive better in warmer waters.
Number the steps (1-6) of Transcription to order the events in the correct sequence. (Worth 50 points)
____ The DNA “rezips,” reforming the original complementary cross-strand
bonds
____ The DNA and messenger RNA strands separate from one another and the
RNA leaves the nucleus
____ Helicase “unzips” the DNA-RNA hybrid
____ RNA polymerase joins the new RNA nucleotides into a single strand
____ Helicase “unzips” the DNA, opening the two strands of the double helix
____ Free RNA nucleotides make complementary pairs between their own
nitrogenous bases and the attached bases of the single DNA template
strand.
Answer:
6, 5, 4, 2, 1, 3
Explanation:
Transcription refers to the process of the formation of RNA molecules from DNA molecules using DNA strands as a template.
Only one strand out of two DNA strands is involved in the process and the strand is known as coding strand which runs in the direction of 5' to 3'.
The process of transcription takes place in the following sequence:
1. Helicase enzyme binds to the DNA and unzips the two strands of DNA. This opens the helices of the DNA and the DNA gets open.
2. RNA polymerase binds to the promoter attached to the DNA and forms the single strand.
3. The RNA nucleotides form complementary base pairs with the DNA and the RNA strand. A new complementary strand is made using complementary base pairing.
4. DNA helicase unzips the DNA and RNA hybrid.
5. The DNA and RNA get separated and the mRNA molecule formed in the nucleus exits the nucleus.
6. The two-strand of DNA is again joined via complementary base-pairing rule.
Answer:
Explanax
=
1
,
−
1
−
i
√
3
2
,
−
1
+
i
√
3
2
,
5
3
,
−
5
−
5
i
√
3
6
,
−
5
+
5
i
√
3
6
tion:
The different functions of the skeletal system include all of the following EXCEPT: *
a) Forms blood cells
b) Protects internal organs
c) Stores hormones
d) Assists movement
Which type(s) of muscle can contract without stimulation from the nervous system? *
a) skeletal only
b) skeletal and smooth
c) smooth and cardiac
d) cardiac only
Which of the following are events following fertilization? (Check all that apply. There may be more than one answer). *
a) Embryo develops into the fetus
b) Zygote cell rapidly divides
c) Embryo embeds into uterine wall
d) Zygote travels down the fallopian tube toward the uterus
Storing hormones, smooth and cardiac muscles are the correct answers.
Storing hormones is not function of skeleton system. Skeleton system protects internal organs such as heart, kidney and lungs etc. It is also responsible for the movement of the muscles as well as produces blood cells because of the presence of bone marrow.
Smooth and cardiac muscles can contract without nervous system stimulation because they are involuntary Muscle which is beyond the control of the nervous system so we can conclude that storing hormones, smooth and cardiac muscles are the correct answers.
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