When lions prey on a herd of antelopes, some antelopes are killed and some escape and live to reproduce. Which of the following statements best describes this situation?
A. Natural selection is a random process.
B. Individuals with the best adaptations survive long enough to have offspring.
C. Species remain unchanged throughout time.
D. Individuals pass along acquired characteristics to the next generation.
Answer:
B.
Explanation:
Shadows happen when an object:
Answer:
c: allows some light to pass through
Explanation:
makes the most sense
Answer: A
Explanation: Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object.
What is the advantage of placing telescopes in space? Select the best answer from the choices below.
a
Space telescopes are stronger
b
Space telescopes are above the distortion of Earth's atmosphere, clouds, and light pollution
c
Only space telescopes can observe the most distant stars and galaxies
d
Space telescopes are closer to the objects scientists want to observe
Answer:
answer is distortion of the earth so we get a much clear picture
Explanation:
its above the dist
Answer:
answer is distortion of the earth so we get a much clear picture
Explanation:
its above the dist
Explanation:
Which of the following processes does not occur during Prophase II of Meiosis Il?
A. DNA condenses into tightly wound chromosomes
B. The nuclear membrane dissolves
C. Microtubules form
D. Homologous chromosomes pair up
PLEASE HELP.
Where does the water come from to feed the drainage basin?:
ground water
water vapor
surface water
ocean water
Ovaries are responsible for the production of *
sperms
fluids
semen
eggs
Eggs is the right answer
Answer:
eggs
Explanation:
The main function of the ovaries is the production of ooctyes (eggs) and hormones
Which of the following is part of the basis of a capitalist economic system?
a competition
C. coordination
b. conflict
d. exchange
Please select the best answer from the choices provided
A
B
ОООО
С
D
Answer:
I believe the answer is A competition sry if wrong
Explanation:
The following is part of the foundation of a capitalist economic system: the presence of competition in the market, which is present in Option A, as competition allows different businesses to thrive.
What is the capitalist economic system?In a capitalist economic system, the market is operated by the private sector or corporations for profit, such as factories and businesses, where the government plays a very minor role in regulating them, although different countries have different laws regarding this. Competition among businesses is fierce in the capitalist economic system, which leads to more work for employees, more innovation, and job creation.
Hence, the following is part of the foundation of a capitalist economic system: the presence of competition in the market, which is present in Option A, as competition allows different businesses to thrive.
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Pleas help please help HELP
How can one system be consider a component of another system?
Answer: The body is a system filled with smaller systems. Each used to help out the other and benefit the body as a whole. For example, the respiratory system takes in oxygen, the heart then takes the oxygen in the blood and pumps it throughout the entire body. Then veins carry that blood to muscles and organs. Each unique system has a job to do, when one malfunctions the whole system can fail.
Explanation: Hope this helps :)
The Lac Operon is a set of genes that controls the production of lactase the enzyme that digests
lactose. In the top picture: The gene is "turned off" resulting in no mRNA being made. In the
bottom picture: The gene is "turned on" allowing the RNA polymerase express the genes,
resulting in production of the lactase enzyme.
which statement is not correct about the lac operon?
Answer:
The lactose present prevents the production of lactase
Explanation:
This question is describing a set of genes in bacteria called LAC OPERON. Lac operon controls the production of lactase, which is the enzyme that digests lactose. However, this gene can be regulated at the transcription level i.e caused to be transcribed or not depending on certain factors.
According to the question, lac operon, which regulates the production of enzymes will be transcribed and subsequently translated i.e. turned on when there is a substrate (lactose) that the produced enzyme will work on. However, when there is no need of the lactase enzyme or there is absence of lactose (substrate), the lac operon gene is turned off.
Note that, the statement that "The presence of lactose prevents the production of lactase" is not correct.
PLZ HELP HAVE 10 MINUTES ON THE TEST LEFT While all the food crops contribute to nutritional health ______ are the most important to famine conditions
Answer:
Humanitarian aid are the most important to famine conditions
Green seed color (G) is dominant over yellow seed color (g). If a purebred green seed is crossed with a yellow seed, what are the resulting genotypes expressed as a percent?
A) 50% green, 50%
B) yellow, 100% green
C) 50% Gg, 50% gg
D) 100% Gg
E) None of the above
Which does NOT describe acid precipitation?
Multiple choice question.
A)
It increases when air pollution levels are low.
B)
It decreases the pH of lakes and other bodies of water.
C)
It can form when moisture combines with sulfur dioxide from power plants.
D)
It can be rain or snow.
Answer:
c
Explanation:
the moisture that has the sulfur will go through evaporation and then rain
"It can form when moisture combines with sulfur dioxide from power plants" is not observed in acid precipitation, hence option C is correct
One of the effects of air pollution is acid rain. Fuel combustion generates gases that combine with oxygen in the air and water vapor to create acids that eventually fall as rain on the earth's surface.
Any type of precipitation with high concentrations of nitric and sulfuric acids is referred to as acid rain. Snow, fog, and little pieces of dry material that fall to Earth can likewise represent it. Acid rain typically has a pH between 4.2 and 4.4, whereas normal rain has a slightly acidic pH of 5.6.
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What are 2 tertiary consumers, 2 producers, 2 primary consumers and 2 secondary consumers?
Answer:2 tertiary consumers could be a Bear and a Wolf
2 Secondary Consumers could be a Bird and a Fish
2 Primary consumers could be a worm or a snail
2 Producers could be Grass and Algae
Explanation:
poggies
Ask me something
I’ll try to answer
Answer:
Are snails born with shells?
Explanation:
At Happy Harry’s Laundromat, the dryer costs $1.50 for 10 minutes. At Jolly Judy’s Laundromat the dryer costs $2.25 for 15 minutes. Which laundromat offer the better deal?
This image shows the Mid-Atlantic Ocean Ridge, which is completely submerged at the bottom of the Atlantic Ocean. What is true about this underwater mountain range? A) It never experiences tectonic plate movement, B) It is not affected by tectonic plate movement. C) It is at the border of several tectonic plates, D) It is located in the middle of a giant tectonic plate,
Answer:
C
Explanation:
The Mid-Atlantic Ocean Ridge is basically magma that came from in between two tectonic plates that rose up and cooled
Answer:
B
It is at the border of several tectonic plates
i just took the test its B.
Explanation:
Malaria is caused by plasmodium carried by _____.
mosquitoes
fungi
amoeba
flies
Answer:
mosquitosExplanation:
they carry plasmodium
Need answer please thanks
Answer:
c
Explanation:
sorry if its wrong
Compare and contrast the composition of DNA and RNA DNA and RNA both have________ DNA has _______________,but RNA has _______________insteasd
Answer:
1st blank: four nitrogenous bases each. (cytosine, adenine, and guanine)
2nd blank: DNA had thymine
3rd blank: RNA has uracil
2. The breeding of two plants is called a
crossing over
cross
intertwining
mixing
Answer:
I am by no means 100% on this but I think its Cross, its usually called crossing breeding but out of those i would say cross.
I Hope This Helps :)
NEED HELP! PLS 40 POINTS REWARD
What evidence led Rudolf Virchow to claim that all cells come from other cells?
A.) Cells divide.
B.) Cells have nuclei.
C.) Cells move around.
D.) Cells have cell membranes.
One piece of evidence that supports the modern theory of evolution is the presence
of similar structures that serve different functions in different organisms.
What is the term used to describe these structures?
embryological structures
analogous structures
vestigial structures
homologous structures
Answer:
Analogous structures.
Explanation:
Please mark brainliest
i need help with this ASAP
Answer:
i would love to help you, but all of the answers are on the map...
Explanation:
:)
what are eukaryotes multicellular makes its own food are called?
Two populations live in the same habitat and compete for food. The first group is larger and multiplies through asexual reproduction; the second reproduces sexually. What could happen to cause the second group to outnumber the first?
Answer:
an environmental change that causes the larger but unadaptable species to die off
Explanation:
Two populations live in the same habitat and compete for food. The first group has larger and multiplies through asexual reproduction the second reproduces sexually an environmental change that causes the larger but unadaptable species to die off.
What happen when the process of meiosis does not takes place?If there has no process of meiosis takes place chromosome number will be doubled disturbing the genetic make up of the organism. If no meiosis has been takes place then the resulting of the zygote will be of double the number of the chromosomes. The genetic makeup would change entirely. The process of the meiosis halves the number of chromosomes in haploid cell and maintain the serenity of organism.
The process of the meiosis due to crossing over, genetic variation occurs which let the offspring receive favourable alleles to survive in new conditions and in the diploid organisms first the gametes are formed, then fertilization occurs and the diploid cell has formed which gives rise to the organism having diploid cells.
Therefore, Two populations live in the same habitat and compete for food. The first group has larger and multiplies through asexual reproduction the second reproduces sexually an environmental change that causes the larger but unadaptable species to die off.
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Identify the source of energy for photosynthesis.
Answer:
I think it is the sun
Explanation:
Answer:
its the sun
Explanation:
When the sun hits the chlorophyll in the plants leaves it starts the cycle of making glucose and oxygen ( the sun is what powers photosynthesis)
(d) Cells are treated with a compound that prevents the inactivation of kinase D . Researchers claim that Brec-WT cells treated with this compound will stimulate blood vessel-forming cell division to the same degree as Brec-MUT cells do in the absence of B . Based on the information provided, provide reasoning to support their claim.
Answer:
There are two kinds of communication in the world of living cells. Communication between cells is called intercellular signaling, and communication within a cell is called intracellular signaling. An easy way to remember the distinction is by understanding the Latin origin of the prefixes: inter– means “between” (for example, intersecting lines are those that cross each other) and intra– means “inside” (like intravenous). Chemical sign
Explanation:
As per the details provided, the correct reasoning to back the given claim would be as follows:
- Both cell types have active kinase D, which leads to the expression of A, and the expression of A stimulates the blood vessel-forming cell division by both cell types.
The correct reasoning to back the given claim that cells are intentionally handled using a compound that avoids the kinase's upregulation would be as mentioned above. In the given example, the use of Brec-WT cells shows that both the given cells contain kinase D in their activated form that causes the appearance of A. This appearance further results in the incitement of blood vessels which causes the division of cells through both kinds of cells.Learn more about "Cell" here:
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Xylem is made of _________ cells. *
Answer:
Xylem is made of DEAD cells.
Which is an example of artificial light?
Answer:
It would be B. A lightbulb
Answer:
LIGHTBULB, sry if i did caps lock
Explanation:
3.A subunit of DNA that consists of a sugar, a phosphate,
and a nitrogenous base____
A. Thymine
B. Nucleotide
C. Amino acid
Answer:thymine
Explanation:
thymine is in the DNA
Answer:
Nucleotide
Explanation:
Thymine is a nitrogen base, and amino acid is a building block for protein. A nucleotide is made up of a sugar, a phosphate, and a nitrogenous base.