Answer:
Scientists observe the thickness of a tree’s ring's to learn about past climate conditions
Hope this helps :)
Have a great day !
5INGH
Explanation:
Answer:
tree rings
Explanation:
sample response on edge
What must occur for transcription to occur
It is the first one in order for transcription to occur
In cities, the area in which rain water can seep into the ground is reduced. Water flows over roads, then the runoff is carried out to sea through drainage systems. How does the runoff from cities affect ocean systems?
A.
Ocean systems are damaged with the loss of sediments.
B.
Ocean systems are damaged with more pollutants.
C.
Ocean systems are improved by receiving more water.
D.
Ocean systems are improved by the addition of nutrients.
Answer:
The answer could be either A or B for sure.
Explanation:
Answer:
B. Ocean systems are damaged with more pollutants.
Explanation:
That was the answer on study island :/
What is a green plant supported by so it can stand up? water osmotic pressure cell walls
A turgid plant cell contains more water and minerals in solution than flaccid (deflated) plant cells and exerts a greater osmotic pressure on its cell membrane and walls. So, turgor is a force exerted outward on a plant cell by the water contained within the sturdy cell wall.
Matthew decided he wanted to hike up Mount Everest. On his way to the top, it began to snow and the temperature dropped to -10°F. Matthew forgot to wear a heavy jacket so his body began to shiver beyond control. In this case, Matthew's body shivering is the ________ to a drop in temperature.
A) input
B) stimuli
C) response
D) environmental condition
Answer:
C
Explanation:
Due to him being cold, his RESPONSE is to shiver.
C shivering is a RESPONSE of the body when it goes below its normal temperature. Shivering helps the body move blood around your organs to help you warm up
which lists tupes of materials from most conductive least conductive
in what three ways are human traits controlled?
They are controlled by single gene with two alleles and other single jeans with multiple alleles
Final answer:
Human traits are controlled by polygenic inheritance, nature-nurture interactions, and natural selection, with factors ranging from multiple gene influences to environmental pressures shaping phenotypic diversity.
Explanation:
Human traits are controlled in three primary ways. Firstly, most traits are polygenic, being influenced by more than one gene, examples include height, skin color, and weight. Secondly, nature-nurture interactions play a significant role; for instance, a person may have a genetic predisposition for height, but environmental factors like nutrition can influence their actual growth. Lastly, natural selection can impact traits over generations, particularly in how phenotypes distribute within a population due to selective pressures from the environment. For example, some traits like skin color or lactase persistence have evolved due to environmental selection pressures.
A group of cells that have the same function is called a(n) .
Answer:
Tissue
Explanation:
Why are human populations not limited by the carrying capacity of their ecosystems
Human populations are not strictly limited by ecosystem carrying capacities due to their ability to alter their environments and improve resource availability. However, there are natural limits to growth, and ongoing human expansion poses risks to sustainability and biodiversity. Technological advancements have historically increased carrying capacity, but concerns about ecological constraints and environmental health remain.
Human populations may not be strictly limited by the carrying capacity of their ecosystems due to their unique ability to adapt and modify their environment. Unlike other species, which directly depend on the carrying capacity defined by resource availability, humans have developed multiple ways to increase the resources available to them. Advancements such as the agricultural revolution, the industrial revolution, and modern technological innovations like desalination, solar energy harnessing, and potentially nuclear fusion, have continually shifted the perceived carrying capacity.
However, this does not mean that human population growth can continue infinitely. The concept of limits to growth suggests that there are natural boundaries to how much the Earth can support, considering factors like the photosynthetic capacity of the biosphere, biodiversity loss, and the increasing amount of atmospheric carbon. Long-term exponential growth in human populations poses significant risks such as famine, disease, large-scale death, and social strain manifesting in problems like increased crime.
Furthermore, while humans can indeed alter their environment to support larger populations, this often comes at a cost to other species and the natural ecosystem as a whole. The modification and appropriation of habitat for human use, including through practices like artificial selection for high-yield crops, can lead to environmental degradation and loss of biodiversity. These actions can have detrimental effects on the Earth's overall health and its ability to sustain human populations in the long term.
Where in a lake would you most likely find turtles?
A. Profundal zone
B. Benthic zone
C. Littoral zone
D. Limnetic zone
Answer:
C) Littoral Zone
Explanation:
Turtles on the shoreline in vegetated areas as well as the shallows are looking for food. The best areas are any channels on the lake.
Answer: Littoral Zone
Explanation:
The littoral zone or the nearshore of a lake can be defined as the place along seashore. This zone has plenty of food options, some from the sea shore and some from water.
Turtles are mostly found in this region so that they can eat food from water as well as from the vegetation that lies at the shoreline.
Hence, the correct answer is option C
Coal mining has an important effect on the economy and industries in Virginia. However coal mining also has a significant effect on the environment. Which is NOT an environmental impact of coal mining? A) destruction and disturbance of habitats B) increased incidence of black lung from coal dust C) erosion of exposed hillsides where mining has occurred D) water pollution, including aquatic biodiversity impact
Choice A or Choice D
Which level of the energy pyramid has the least amount of energy available?
the highest level which is the 'apex preditor' or in other cases its called a 'tertiary consumer'
Answer:
needed help w this too
Explanation:
thanks
If the bald eagle was removed from this food web what effect would this have on this population of the other species?
Answer: The benthic invertebrates would decrease in population size because they are eaten by the sea ducks and the phytoplankton would increase in population size.
Explanation:
Answer:
As tertiary consumers, bald eagles depend on all the levels below them for energy. If their population increases, the ecosystem wouldn’t be able to support this growth because the population of prey animals—sea ducks and fish—would rapidly decrease. This decrease might cause the populations of primary consumers to increase. As a result, primary consumers might feed more on the producers. Over time, there may not be enough producers to maintain the food web.
Explanation:
Which is a component of the biosphere?
Answer:
There are basically 4 components of Biosphere.
Explanation:
Biosphere is the collection of all ecosystems on earth and their interactions with each other. The Biosphere of earth consists the following components,
1. The Biota
All the living organisms including animals, plants, insects and bacteria is called the Biota.
2. Geosphere
Geosphere is the surface of biosphere that is composed of soil, rocks, mountains etc.
3. Hydrosphere
The hydrosphere includes all the water bodies like ocean, rivers, streams and lakes.
4. Atmosphere
Atmosphere is the climate that describes about the temperature, humidity, wind and rain fall in Biosphere.
Imagine that muskrats are removed from wetland ecosystem predict what would happen both to producers and to secondary consumers..
producers will increase because a predator will be going away but consumers will decrease because teritary consumers will have to eat
If muskrats were removed from a wetland ecosystem, it would disrupt the balance. The primary consumers' populations could increase, leading to overconsumption of producers and possibly a reduction in biodiversity which cascades to other levels of the food web. The ecosystem might recover over time, however, the state may differ from the original.
Explanation:Removing muskrats from a wetland ecosystem would likely disrupt the equilibrium of the ecosystem. As muskrats, which are secondary consumers, are removed, there will be a change in the population of the species they prey on, which are often primary consumers such as insects and mollusks. These primary consumers could increase in number, potentially leading to overgrazing or overconsumption of the producers (plants and algae).
In turn, this can lead to a decrease in the amount of producers, which would also affect other animals in the ecosystem that rely on these resources. This ripple effect might cause a drastic decrease in biodiversity and could cause irreversible damage to the ecosystem, leading to potential collapse of the entire food web.
The loss of primary producers would initially lead to a disruption in the food web, however, nature has a way of adapting to changes over time and the ecosystem could recover, although it might not be in the same state as before.
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Which best describes X and Y?
Answer:
the second one
Explanation:
Answer:
X= Spherical, Y= E.coli
Explanation:
Coccus meaning sphere.
Why do strawberry cells need dna
DNA manages all the cells activities and "tells" them what to do. DNA also gives coded regulations for the strawberry so that it can create proteins.
What is DNA?Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid. The DNA of an individual can be found in almost all of their cells.
The majority of DNA is found in the cell nucleus (where it is known as nuclear DNA), but there is also a tiny quantity of DNA in the mitochondria (where it is called mitochondrial DNA or mtDNA).
Adenine (A), guanine (G), cytosine (C), and thymine (C) are the four chemical bases that make up the code that stores the information in DNA (T). More than 99 percent of the 3 billion bases that make up human DNA are the same in every person.
Therefore, DNA manages all the cells activities and "tells" them what to do. DNA also gives coded regulations for the strawberry so that it can create proteins.
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please help!!
will give brainlist !!
Answer: 10: 6
12: 3 seconds
Explanation:
What is a major difference between Animalia and Plantae kingdoms?
A) Animals get their nutrients from plants and other animals while plants get their nutrients from oxygen.
B) Plants stop growing when they become adults, but animals continue grow throughout their lives.
C) Plants produce their own food using sunlight and animals need other organisms for nourishment.
D) Animals need water to live, but plants are able to survive without it.
The answer is unquestionably C.
The correct statement about the difference between Animalia and Plantae kingdoms is the following:
Plants produce their own food using sunlight and animals need other organisms for nourishment.What is the Animalia kingdom?They are multicellular organisms and enjoy a high level of specialization in tissues, they are heterotrophic beings, which means that they feed on other living beings and move autonomously.
What is the Plantae kingdoms?It is the kingdom that brings together all forms of terrestrial plant life (trees, shrubs, grass, etc.) and all aquatic algae, as long as they carry out some form of photosynthetic nutrition.
Differences between Animalia and Plantae kingdomsThe members of the Plantae kingdom are all autotrophs, that is, capable of generating their own food from inorganic matter.Members of the Animalia kingdom cannot produce their own food like plants do, so they must consume organic matter from other living things to survive.Therefore, we can conclude that the Animalia kingdom is distinguished from the Plantae kingdom by lacking chlorophyll (they do not photosynthesize) and are heterotrophs.
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One cat carries heterozygous, short-haired traits (Ss), and its mate carries homozygous long-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having short hair.
One cat carries heterozygous long haired traits SS and its mate carries homozygous short haired traits ss
a trait that is always expressed. ... One cat carries heterozygous, short-haired traits (Ss), and its mate carries homozygous long-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having short hair.
Using a Punnett square, the probability of an offspring from a heterozygous short-haired (Ss) and homozygous long-haired (ss) parent having short hair is 50%, since the resulting genotypes would be Ss and ss in equal proportions.
To determine the probability of an offspring having short hair from a parent carrying heterozygous short-haired traits (Ss) and another carrying homozygous long-haired traits (ss), we use a Punnett square. When S (short hair) is dominant over s (long hair), the possible genotypes for their offspring are Ss and ss.
The Punnett square is as follows:
Ss (heterozygous short hair)ss (homozygous long hair)Thus, the probabilities are:Short hair (Ss): 50% or 1/2Long hair (ss): 50% or 1/2Therefore, there is a 50% chance that one of their offspring will have short hair.
What is the smallest unit of organization in an ecosystem? Give one example from the diagram.
Answer: The Cells
Explanation: Cells are the smallest living organism in an ecosystem
The cell is the smallest unit of organization in an ecosystem.
What is a cell?The cell function of an animal cell is to perform like a hormone and engage production of energy for the cells
The cell function of a plant cell is to carry out all of the functions necessary for survival.
Animal cells are eukaryotic cells which are surrounded by a plasma membrane. It contains the nucleus and the organelles that are membrane-bound.
Thus,The cell is the smallest unit of organization in an ecosystem.
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why has the united states not signed the kyoto protocol
Answer:
In July 1997, the Senate unanimously passed a resolution (S. Res. 98) stating that it would not ratify any global climate treaty that would seriously harm the U.S. economy or that failed to require developing countries to reduce their emissions within the same time frame as the developed countries.
Explanation:
is soil an abiotic factor?
Soil considered as an abiotic factor and a biotic factor. Because the soil is made out of dead organisms and dead twigs in also contains gravel and a biotic factor is features of the ecpsystem that are living or once were alive. that would be the dead organisms and twigs. abiotic factor are nonliving things in the organisms like the gravel.
Answer:
yes
Explanation:
There are two categories of these factors: abiotic and biotic. Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature
Which process uses proteins to move molecules against a concentration gradient?
Facilitated Diffusion
Active transport uses carrier proteins to move molecules against a concentration gradient, requiring energy in the form of ATP, as seen in the sodium-potassium pump of nerve cells.
Explanation:The process that uses proteins to move molecules against a concentration gradient is known as active transport. During active transport, carrier proteins or pumps use energy, usually in the form of ATP (adenosine triphosphate), to move substances from an area of low concentration to an area of high concentration. This is crucial for maintaining the necessary concentrations of ions and other substances for cell function, despite the passive movements that tend to even out concentrations.
Examples include the sodium-potassium pump in nerve cells, which is essential for transmitting messages to the brain.
Which is a function of the hormones secreted by the pancreas?
a they regulate blood levels of glucose.
b They maintain water and salt balance.
c They stimulate the pituitary gland.
d They regulate blood levels of calcium.
Answer: The answer is A. They regulate blood levels of glucose.
Explanation:
Pancreas: insulin- reduces blood-glucose levels; glucagon- increases blood-glucose levels
Answer:
The correct answer is letter A. They regulate blood levels of glucose
Explanation:
Pancreas secrete a kind of hormony called insulin. This sort of hormony regulates the levels of glucose in the whole body. It is important for us. When we have a problem inside pancreas and this organ can't secrete the insulin anymore, a disease appears in our body called diabetes. The levels of glucose in our body starts to increase and people that have this kind of disease need to take insulin injection.
Which of the following is a sustainable practice?
A. Leaving trash bags at a local park
B. Flushing medicine down the toilet
C. Throwing jars in the trash can
D. Using only geothermal energy
Answer:
D. Using only geothermal energy is a sustainable practice.
Explanation:
Geothermal energy is heat derived within the sub-surface of the earth.
The statement that depicts sustainable practice is using only geothermal energy (option D).
What is Sustainability?Sustainability refers to a way of configuring civilization and human activity so that society, its members and its economies are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, planning and acting for the ability to maintain these necessary resources for future generations.
In sustainability practice, the safety of the environment is the major focus. Therefore, the use of natural resources such as geothermal energy is a sustainable practice.
Therefore, option D is correct.
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if a scientist were to study the organisms in your ecosystem what questions might they ask
Answer:
I would write a question about relationships between predators and prey of a given ecosystem.
Explanation:
An example question is:
a.) "Draw a predator-prey graph that shows the relationship between lions and zebras."
b.) "Explain the trends of the above graph with regard to increase and decrease of the prey of predators."
I hope that made sense :)
Good luck.
Answer:
He could ask questions related to the eating habits of these organisms, if they have nocturnal or daytime habits and if it is a predator and what are their predators.
Explanation:
In an ecosystem, a scientist is able to observe countless different organisms. These organisms can trigger a scientist's curiosity, causing him to pose some questions about the species he doesn't know.
In relation to animals, the scientist may ask:
Does this species have a nocturnal or diurnal habit? Is it a carnivore or herbivore? Is it a predator? What are your prey? What are your predators? Is this a monogamous species? How does it reproduce? Is it a native species?Scientists have recently modified the bacteria that cause tooth decay by inserting a fragment of DNA into the bacteria's DNA that prevents it from producing lactic acid. What is the new DNA called?
foreign DNA
restriction DNA
recombinant DNA
transgenic DNA
Answer:Recombinant DNA
Explanation:Recombinant DNA is basically a genetically modified DNA that is produced in the laboratory by bringing together different strands of DNA and causing them to bond in order to form a new genome or gene sequence and the whole procedure in performed in Vitro (in laboratory)
The DNA sequence is then inserted into the host to induce specific type of responses.
What’s the answer because I really don’t know
Answer: C
Explanation In any of the answer choices doesn't say tat its possible copper to conduct electricity. But in C its says it can exchange electricity.
to what was cesar Chavez referring when he said. "si se puede"
I'm not gonna lie, I have absolutely no idea but I can at least translate it lol.
It means "You can do it."
Hopefully this helped.... :)
"Si se puede" by Cesar Chavez referred to a message of hope and collective action aiming for social and labor change. This phrase became iconic in the struggle for improving the conditions of migrant laborers in California, emphasizing nonviolent protest and solidarity.
Explanation:To what was Cesar Chavez referring when he said, "Si se puede"? Cesar Chavez's declaration, "Si se puede", translates to "Yes, it can be done" or "We can do it" in English. This statement became a powerful slogan for change and embodied the spirit of solidarity and collective action. Chavez, alongside Dolores Huerta and the United Farm Workers, organized boycotts against the conditions of migrant laborers in California. This movement, particularly symbolized by the boycott of grapes and lettuce in 1973, aimed to pressure growers into improving conditions for farm workers. Chavez's nonviolent approach drew inspiration from Mahatma Gandhi and paralleled the civil rights philosophies of leaders like Martin Luther King, Jr.
The phrase "Si se puede" rallied individuals to believe in the possibility of change through unity and perseverance. It has since transcended its original context to inspire movements for social justice around the world, marking a significant moment in the history of labor rights in the United States.
If a scientist is studying the attraction of water molecules to each other, what property is he or she studying
The scientist is studying cohesion, a property of water that makes water molecules attract to one another.
Answer:
Cohesion
Explanation:
Cohesion refers to one of the properties of water molecules to get attracted to each other. Since each water molecule an oxygen atom with a partial negative charge and hydrogen atoms with a partial positive charge, water molecules form intermolecular hydrogen bonds. This leads to the tendency of water molecules to stick together, that is, cohesion.