Answer:
Hot and wet climates.
Do you think that climate change has been presented to you as doom and gloom throughout your life? Explain.
Answer:
Yes it has.
Explanation: It has been presented to me since i was very young. When i was little I loved watching scientific shows and climate change was always brought up. I also see a lot about it on social media, so it has always been in my life
If finches on the Galapagos Islands had such different beaks, how could Darwin think they shared a common ancestor from the mainland?
Answer:
i just learned about this
Explanation:
its because each began to live in different areas on the Galapagos islands and they each needed to adapt to their meals and their surroundings. So simply evolving and adapting
I hope this helps u!
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Despite the different beak shapes of Galapagos finches, Darwin believed they shared a common ancestor from the mainland due to other similar traits. This lead to his theory of evolution through natural selection and adaptation, suggesting species change over time due to environmental factors.
Charles Darwin observed that finches on the Galapagos Islands had different beak shapes. Despite these differences, he concluded they all shared a common ancestor from the mainland because of the similarities in their other physical traits and behaviors. Darwin proposed the theory of evolution through natural selection and adaptation, suggesting that species change over time because of environmental factors. In the case of the Galapagos finches, the different beak shapes evolved due to the different types of food sources available on the islands, a process known as adaptive radiation.
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What do producers do with carbon? (little information needed)
Answer:
They transform it into oxygen through cellular respiration
Explanation:
4. Are single celled life forms more or less complex than multicellular organisms? Defend your
answer
Which statements are true of a white dwarf?
a. It has a red shell.
b. It is the result of the core collapse of a low-mass star that sheds its outer layers.
c. It emits massive amounts of light compared with other stars.
d. It strongly attracts all matter or energy that comes near it.
e. It cools down to become a black dwarf.
(you can choose multiple)
plz i need help!!! List three factors that help form global winds.
Answer:
Global winds are affected by convection current, pressure gradients, the Coriolis effect, and friction.
Explanation:
Answer:
Global winds are affected by convection current, pressure gradients, the Coriolis effect, and friction.
How does a pond form?
A pond forms when water accumulates in a depression in the ground and is bordered by elevations preventing its outflow. Besides natural formation, human activities like dam construction can also create bodies of standing water. These freshwater habitats are crucial for wildlife and have to be managed properly when artificially created as stormwater ponds.
Ponds form when water collects in low spots in the ground due to various factors. After events like heavy rain, water travels downhill and fills these depressions, creating what we call a pond. They are often bordered by hills or low rises that block water from flowing out. Unlike ponds, a lake is usually a larger body of water, which can also have freshwater or, in some cases, be salty like the Great Salt Lake in Utah. Lakes and ponds get their water from precipitation, runoff, and inflow from streams and rivers, while water leaves through evaporation or outflow.
Additionally, some ponds are fed by underground springs and may not have an outlet, causing them to be relatively still. Glacial actions can also create depressions leading to the formation of large lakes, such as the Great Lakes. Human activities, such as building dams on rivers, create reservoirs, which are kinds of lakes. The formation of ice on ponds and lakes during winter showcases a unique property of water due to its structure, polarity, and hydrogen bonding—ice is less dense than water, allowing liquid water to remain beneath the surface, sustaining aquatic life.
Stormwater ponds, designed to manage runoff, come in two forms: wet (retention) and dry (detention) ponds. Wet ponds maintain a constant level of water and play a role in pollutant removal through processes like sedimentation and biological uptake. For healthy functioning, such ponds require buffers to prevent erosion and help filter runoff.
Which played a major role in altering wind patters and ocean currents?
volcanic eruptions
ice ages
movement of continents
solar flares
Answer:
The answer is C: Movement of continents
Explanation:
The movement of continents played a major role in altering wind patterns and ocean currents.
What is plate tectonics?Plate tectonics refers to a concept used to understand how different plates and continents moved in geological time.
Plate tectonics can be used to explain wind patterns and ocean currents due to the movement of plates on the Earth's surface.
This concept can also be used to understand different natural processes including volcanic activity and earthquakes.
In conclusion, the movement of continents played a major role in altering wind patterns and ocean currents.
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List at least 2 strategies that can be enacted in each of the following areas to eliminate non-point source pollution
Strategies that can enacted in areas to eliminate non-point source pollution is participation in a stream cleanup program and compost yard and garden waste.
What is nonpoint source pollution?Nonpoint source pollution refers to diffuse contamination of water or air that does not originate from a single discrete source. This type of pollution is often the cumulative effect of small amounts of contaminants gathered from a large area.
Moreover, nonpoint source pollution occurs when runoff from rain and snowmelt carries pollutants into waterways such as rivers, streams, lakes, wetlands, and even groundwater.
Therefore, non-point source of pollution are pollution sources that are diffused and without a single point of origin or not introduced into a receiving stream from a specific outlet. The pollutants are generally carried off the land by storm water run- off.
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PLEASE HELP ILL MAKE YOU BRAINLIEST! Darwin suggested that evolution occurred at a steady, relatively slow rate. Today, scientists cite fossil evidence to support which revision of Darwin’s suggestion?
A. Evolution occurs slowly in the ocean and rapidly on land.
B. Evolution occurs slowly at the molecular level and rapidly at the organism level.
C. Evolution occurs slowly in some classes and rapidly in other classes.
D. Evolution may sometimes occur very rapidly, in any clade and at any time.
The correct option is D; Evolution may sometimes occur very rapidly, in any clade and at any time.
Darwin originally suggested that evolution occurred through a process of gradual change over long periods, a concept known as gradualism. However, the fossil record supports a different model called punctuated equilibrium, where long periods of little to no change are interrupted by bursts of rapid evolutionary change.
This alternative model accounts for the 'sudden' appearance of new species in the fossil record and proposes that speciation can occur relatively quickly under certain conditions, such as geographic isolation or significant environmental changes.
Identify the consumers described below as herbivore, omnivore, or carnivore.
A particular snake eats a mouse, lizard, and other sources of meat.
A cow eats grass, grain, and other producers.
A grizzly bear eats plants, insects, and other animals.
DONE
Answer:
The snake is a carnivore, The cow is a herbivore, and the Grizzly Bear is an omnivore.
Answer:
Explanation:
if they eat meat its a carnivore, if they eat plants they are herbivores and if they eat what ever they find they are omnivores .
A)carnivore
B)herbivore
C)omnivore
What is the error in this representation of the steps involved in gene therapy?
A). The first and second steps should be switched.
B). The second and third steps should be switched.
C). The first and third steps should be switched.
Answer:
A.) the first and second steps should be switched.
Explanation:
The error in this representation is the first and second steps should be switched.
What is gene therapy?Gene therapy works by substituting or inactivating disease-causing genes.
Gene therapy introduces new genes into the body to treat a specific disease. With gene therapy, doctors deliver a healthy copy of a gene to cells inside the body.
Thus, option "A" is correct.
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A cell that has a high need for active transport across its membrane will likely have a) few mitochondria; energy is not needed for active transport by) many mitochondria to make ADP c) many mitochondria to make ATP d) many mitochondria to conduct photosynthesis
A cell that has a high need for active transport across its membrane will likely have:
many mitochondria to make ADP many mitochondria to make ATPDoes active transport result in more mitochondria in the cell?When organisms utilise active transport the energy for the process comes from respiration. Due to this the cells capable of active transport usually have more mitochondria, in which respiration takes place than other cells.
Thus, many mitochondria to make ADP ,many mitochondria to make ATP.
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Final answer:
A cell with a high need for active transport requires many mitochondria to produce ATP (option c), the energy currency needed to power this process.
Explanation:
A cell that has a high need for active transport across its membrane will likely have many mitochondria to make ATP. Active transport is an energy-consuming process that moves substances against their concentration gradient.
The energy required for active transport is in the form of ATP, which is synthesized by the mitochondria in a process known as cellular respiration. Cells with a high energy demand, such as sperm cells or muscle cells, typically contain a higher number of mitochondria to meet these energy needs.
Furthermore, the mitochondria possess special carriers, like the ADP-ATP carrier protein, which aid in the movement of ATP out of the mitochondria and allow ADP in, maintaining the cellular energy cycle.
Why reason best illustrates why Hershey and Chase chose to use viruses in their experiments?
A.)Viruses are made up of the two things that scientists were studying at the time, proteins and DNA.
B.)Viruses cannot make humans sick, but bacteria could.
C.)Viruses are immune to radioactivity and cannot be degraded by it.
D.)Viruses are easy to obtain and manipulate.
Final answer:
Hershey and Chase chose to use viruses because they are made up of DNA and proteins, and bacteriophages, in particular, inject only their DNA into the host cells. This was essential for proving that DNA is the genetic material responsible for heredity.
Explanation:
The reason that best illustrates why Hershey and Chase chose to use viruses in their experiments is A.) Viruses are made up of the two things that scientists were studying at the time, proteins and DNA. Hershey and Chase were focused on determining whether DNA or proteins were the genetic material responsible for heredity. They used the T2 bacteriophage, a virus that infects bacteria, particularly E. coli, because a bacteriophage's life cycle involves attaching to a bacterial cell and injecting its genetic material into the host. Unlike animal viruses, which enter the host cell completely, bacteriophages like T2 only insert their nucleic acids (DNA), leaving their protein coats outside.
By using radioactive isotopes to label DNA and proteins separately, they could trace the fate of each component after the T2 bacteriophage infected the bacteria. They found that only DNA entered the bacterial cells, leading to the production of new viruses. This provided strong evidence that DNA is the genetic material, as proteins did not enter the cells. Therefore, the use of bacteriophages, which separated the involvement of DNA and proteins during infection, was crucial for their experiments and the discovery that DNA contained the instructions for heredity.
The operation of nuclear power plants in the United States is closely monitored and regulated.
Please select the best answer from the choices provided
True or false
Answer:
True
Explanation:
What are extremophiles, and why do scientists study them?
Answer: I’m sorry but can you help me as well. I’ll answer your question too
Explanation:
Which organelle belongs in the center of the diagram that is comparing the plant cell and animal cell?
A) leaves
B) nucleus
C) cell wall
D) chloroplasts
Answer:
B) Nucleus
Explanation:
Answer:
B
Explanation:
Just did the usa test prep
Bacterial cells have ...
-a cell wall only
-both a cell membrane and a cell wall
-a cell membrane and walls around each of their inner organelles
-a cell membrane only
B, both a cell membrane and a cell wall
Explanation:
I did some research, and this is most likely the answer. "The cell membrane is an integral part of every cell because without a cell membrane, there would be no cell." "A cell wall is a layer located outside the cell membrane found in plants, fungi, bacteria, algae, and archaea."
(I am not positive if this is right or not)
Hope you have a good day! :)
guys,please help me...Urgent!! easy question!!
The phenomenon described in the paragraph is called as.....
*The surface of the earth is heated by solar heat. During the night, the heat leaves the space. But the different types of gases and water vapors in the atmosphere absorb some of the heat released into the space. This makes the Earth's atmosphere warm. This phenomenon helps to create an environment conducive to life.
Answer:
Greenhouse Effect
Explanation:
This is called Greenhouse Effect because it is the same concept applied on Greenhouses to grow plants in any time of the year.
Final answer:
The phenomenon described is the Greenhouse Effect, a natural process where greenhouse gases trap heat in the Earth's atmosphere, maintaining a temperature conducive to life. Human activities have intensified this effect, contributing to climate change.
Explanation:
The phenomenon described in the paragraph is known as the Greenhouse Effect. This natural process is essential for maintaining the Earth's temperature at a level that supports life. Solar radiation from the sun heats the Earth's surface during the day, and at night, the heat radiates back towards space. However, greenhouse gases in the Earth's atmosphere, such as carbon dioxide, methane, water vapor, and nitrous oxide, absorb some of this heat, trapping it and preventing it from escaping into space. This process acts like a thermal blanket around the planet, keeping the Earth's atmosphere warmer than it would be without these gases.
While the Greenhouse Effect is a natural and necessary phenomenon that allows life to flourish on Earth by maintaining a habitable climate, human activities have intensified this effect. The burning of fossil fuels, deforestation, and other practices have increased the concentration of greenhouse gases in the atmosphere, enhancing the Greenhouse Effect and contributing to global warming and climate change. This alteration of the Earth's natural greenhouse effect is a major environmental concern, affecting weather patterns, ecosystems, and the global climate.
Other than size, what are the two biggest differences between the megalodon shark and modern sharks?
Answer:
they are stronger and faster.
Explanation:
muscle tissue makes up the frogs ____________ which is an organ
Answer:
Muscular system,
the gluteus, femoris and the gastrocnemius muscles
is a herd of bison, a community, ecosystem, habitat or population?
Answer:
A community (i think)
Explanation:
A herd of bison can be classified as a population in biological terms, because it represents a group of the same species living in the together. It would not be considered a community, an ecosystem, or a habitat due to the specific definitions of these terms.
Explanation:A herd of bison would most accurately be described as a population. In biological terms, a population is a group of individuals of the same species that live in the same area and interact with one another. A community, on the other hand, encompasses all the different species within a certain area. An ecosystem includes not only the living organisms, or the biological community, but also the physical environment, including nonliving things like rocks, water, and weather. A habitat refers to the type of natural environment in which a particular species of organism lives.
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Although outer space can be extremely cold spacecraft must also be able to release excess heat different parts of a spacecraft may need to be heated or cooled in different situations since outerspace is there perfect vacuum the main way that he is expelled is
Answer:
with radiators that release electromagnetic radiation into space.
Explanation:
Spacecraft use radiators that release electromagnetic radiation into space to get rid of excess heat.
Since outer space is a near perfect vacuum, this means that many of the common ways that heat is expelled on Earth do not work in space. Since spacecraft do not touch any other objects in space, they cannot lose heat through conduction. Since there is no air, they cannot lose heat through convection either. Instead, spacecraft use specially designed radiators, which emit excess heat as electromagnetic radiation—infrared light.
Which body system is responsible for
bringing food and oxygen to
every
cell in
your body?
a. respiratory
c. excretory
b. circulatory
d. reproductive
Answer: B
Explanation: The circulatory system is responsible for bringing food and oxygen to every cell in your body. The respiratory system is responsible for carrying oxygen and carbon dioxide in and out of your body. The excretory system is responsible for removing waste from your body.
Hoped this helped!!!!!!
Circulatory system is responsible for bringing food and oxygen to every cell in your body. Thus option B is correct.
what are the components of circulatory system ?The circulatory system is involve in for delivering nutrients, oxygen, and hormones and removing waste from the body.
The major components are the heart, blood, and blood vessels.
The heart is a muscular organ present in the chest pumps blood continuously around the body through the network of blood vessels.
The heart ensures every cell of the body receives nutrients and oxygen through the blood.
Blood is a fluid connective tissue, the major types of cells are red blood cells, white blood cells or leukocytes, and platelets or thrombocytes.
The function of blood include transporting oxygen and nutrients, removing waste, protecting our immune system, and maintaining homeostasis.
Blood vessel is a tube-like structure, there are three major types of blood vessels such as Arteries, Veins, Capillaries.
Thus option B is correct.
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Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is MOST likely to have a positive impact on the nutrients available in the topsoil?
an increase in the number of decomposers
a decrease in temperature
an increase in the number of predators
a decrease in biodiversity
Answer:
Explanation:
An increase in the number of decomposers ... Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is most likely to have a positive impact on the nutrients available in the ... Which explains why the size of a population of rabbits might be decreasing.
The change that is MOST likely to have a positive impact on the nutrients available in the topsoil is an increase in the number of decomposers.
Decomposers are microorganisms that can break down organic molecules into smaller components.Decomposers include different groups of organisms such as, for example, bacteria and fungi.Decomposers play a fundamental role in the biogeochemical cycles and foods webs.In conclusion, the change that is MOST likely to have a positive impact on the nutrients available in the topsoil is an increase in the number of decomposers.
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Asexual reproduction provides an advantage to organisms under which of
the following conditions?
Umm so this question is throwing me a little. C makes some sense to me, as if there is direct competition, being able to practically duplicate can become useful. A doesn't make sense to me because if there is a decrease in resources, cloning isn't an advantage because there is no variation and therefore no members in the population that could utilize other resources and survive. I don't see how, when being seperated (B), asexual reproduction is very advantageous, as I guess a bigger population could allow the seperated organisms to join together again but that's not much of an advantage. D.... I mean if predation is lowered I GUESS being able to make exact copies of the same organism is a kind of advantage...I'm not 100% sure but I'm leaning towards C, though D may sense too. I hope I can help a little, at least to narrow down some choices. Have a good one!
the traits of the offspring are the ____ variable. genes of parents are the _____ variable
Answer:
dependent, independent if that's whats in the dropbox
Explanation:
Answer:
dependent, independent if that's whats in the dropbox
Explanation:
Explanation:
At which phase of the cell cycle are spindle micro tubules from the centrosomes able to be observed?
Answer:
Metaphase
Explanation:
During metaphase, spindle fibres that are already attached to the centromeres of chromosomes from the centrosomes at the opposite poles of the cell lengthen and shortens to position the chromosomes on the metaphase plate. At this stage, you can see the spindle micro tubules through a microscope.
Viruses cause infection by ...
a) producing toxins that harm the body.
b) forming endospores in the body.
c) entering body cells and replicating.
d) reproducing independently inside the body.
Answer: (A)
Explanation:
An infectious disease is a disease that is caused by the invasion of a host by agents. Some pathogens then spread between host cells or inside of body fluids, while harm (damage) is usually due to the production of toxins or devastating enzymes.
Which statements describe characteristics that are common to both plants and animals? Check all that apply.
They have nuclei.
They are autotrophs.
They have cell walls.
They are multicellular.
They are heterotrophs.
Answer:
They have nuclei and multicellar so A and
Explanation:
The characteristics that are common to both plants and animals are they have nuclei and are multicellular. The correct option is A and D.
What are plants and animals?The plant is an autotrophic organism that can not move, and it produces leaves and fruits ad feed animals. Animals are heterotrophic organisms that can move, except sponges.
The plant contains a cell wall, but animals do not, and both cells contain nuclei.
Thus, the correct option is A, They have nuclei, and D. They are multicellular.
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