What happened to the cheetahs?
Answers
Answer:
Explanation:
The chief threats to the cheetah's existence are loss of habitat, poaching and hunting (their hide and trophies can command top dollar), and getting shot by livestock farmers. Decline of gazelles, wildebeests, impalas and other preferred prey species (also due to hunting and habitat loss) is a factor, too.
There are various subspecies of cheetah. So the cheetah's disappearance would have differing effects in each case. In general terms, however, the cheetah is a predator and hunter at the top of the food chain, so its disappearance would impact its prey and so on down the line.
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Related Questions
which organism has the least energy grass--> rabbit--->raccoon---> wolf
Answers
Answer:
The Wolf
Explanation:
Food chain follows a law called 10% Law.
It follows that the carnivores (secondary consumers) that feed on herbivores and detritivores and those that eat other carnivores (tertiary consumers) have the lowest amount of energy available to them.
Hence wolf has the least energy
PLEASE HELP! ILL GIVE BRAINIEST! The graph shows the change in temperature of a sample of water in a closed system as thermal energy is added
over time.
Answers
The speed of the particles while the water undergoes a change of state remains the same.
The average speed of the particles of a substance also changes when it changes state, such as from solid to liquid or from liquid to gas. This is due to the fact that the force of attraction between particles in different states of matter is different. A solid expands when heated and eventually melts because the particles inside it absorb thermal energy and vibrate more rapidly around their fixed positions. During this process the average speed of the particles gradually increases.
Therefore, the correct option is D.
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serve the picture carefully and identify which products are formed as A and B. Powered coal Heat ՈՐ
Answers
when powered coal is heated, it undergoes thermal decomposition to form carbon monoxide and hydrogen gas as products A and B respectively. These gases have various industrial applications and are important feedstocks for chemical synthesis.
The picture shows that powered coal is being heated. This is a form of thermal decomposition reaction in which coal breaks down into simpler molecules due to the application of heat. The products formed as A and B are carbon monoxide and hydrogen gas respectively.
Carbon monoxide (CO) is a colorless, odorless gas that is toxic when inhaled. It is formed when carbon-containing substances are burned with insufficient oxygen. Carbon monoxide is used as a reducing agent in metallurgy, as a fuel gas, and as a feedstock for chemical synthesis.
Hydrogen gas (H2) is a colorless, odorless gas that is highly flammable. It is used as a fuel and as a feedstock for the production of ammonia, methanol, and other chemicals. Hydrogen gas can also be used as a reducing agent in metallurgy.
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Biological treatments of hazardous waste involve ___________ hazardous substances.
A) using microorganisms to disperse
B) the genetic alteration of species suffering from
C) special organic chemical processing of
D) using plants, bacteria or fungi to absorb and detoxify
Answers
Biological treatments of hazardous waste involve using plants, bacteria, or fungi to absorb and detoxify hazardous substances. The correct option is D.
Biological treatments of hazardous waste involve the use of living organisms, such as plants, bacteria, or fungi, to absorb and detoxify hazardous substances. This approach is known as bioremediation and is aimed at reducing or eliminating the harmful effects of hazardous waste on the environment.
In bioremediation, specific plants, bacteria, or fungi are selected for their ability to metabolize or break down the hazardous substances present in the waste. These organisms can absorb or take up the contaminants from the soil, water, or air, and through various biochemical processes, transform them into less toxic or non-toxic forms. This helps in the natural degradation and removal of hazardous substances from the environment.
Plants used in bioremediation, known as phytoremediation, can uptake and store contaminants in their roots, stems, leaves, or other plant parts. Bacteria and fungi, on the other hand, can directly degrade or transform the hazardous substances through enzymatic reactions.
Biological treatments offer several advantages, including their potential for low-cost and environmentally friendly solutions. They can be used to remediate contaminated soil, water bodies, or air, and have been applied in various industrial and environmental cleanup scenarios.
It's important to note that the specific approach and choice of organisms for bioremediation depend on the nature of the hazardous waste and the environmental conditions present at the site.
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how many neutrons does oxygen have?
Answers
Answer:
Oxygen has eight neutrons
Answer:
they have 8 neutrons
Explanation:
What are some challenges and limitations of the classification system?
Answers
Classification systems are limited by the amount of data they have to work with.
What is classification system?Classification system is a system used to group and organize objects, items, or data into specific categories. It is used to categorize information based on attributes such as type, size, shape, color, and other characteristics. It is a method of organizing data into meaningful categories, thus allowing for efficient retrieval of information. This system can be used in a variety of fields such as finance, healthcare, library science, and more. Classification systems are also used to ensure accuracy and consistency in data collection and analysis.
If the data is incomplete or of poor quality, the accuracy of the system can suffer. Additionally, classification systems rely on a specific set of rules that may be too rigid or too broad, leading to incorrect classifications. Lastly, classification systems can be vulnerable to biases and inaccurate assumptions which can lead to errors in the classification process.
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phytoplankton blooms: spring brings warmer temperatures and increased sunlight, creating a thermocline that traps nutrients at the ocean surface. this allows phytoplankton to absorb energy and take in the nutrients they need to photosynthesize and multiply. the warming of the surface layer keeps this water less dense, so it stays afloat. phytoplankton respond very quickly when the right conditions occur, growing and reproducing as soon as a slight stratification of the water column occurs. as phytoplankton continue thriving in the nutrient-rich surface zone where they receive sunlight, they may become so plentiful that the ocean waters turn green, brown, or red from the chlorophyll they contain. as the phytoplankton use up the available nutrients, however, they begin to die and drift to the bottom. as autumn begins, cooler days cause some vertical mixing that may bring nutrients up from below resulting in a relatively smaller fall bloom. once winter begins, plummeting temperatures and frequent storms cause heavy mixing. as phytoplankton do not remain at the surface in this mix, they do not have ready access to sunlight, so blooms do not occur in the winter. based on this information and the evidence for when stratification and a well mixed water column occur, which two months in 2012 would you hypothesize that phytoplankton blooms would occur in?
Answers
The two months in 2012 that we would hypothesize that phytoplankton blooms would occur in would be April and May.
Phytoplankton blooms occur when the population of a certain type of phytoplankton increases rapidly in an aquatic environment. This usually occurs when the environment is nutrient-rich, meaning there are plenty of nutrients available for the phytoplankton to consume and reproduce.
The reason this is considered a bloom is because such rapid growth can lead to large patches of green or brown algae floating on the surface of lakes and oceans. These blooms are beneficial and provide food for many animals, as well as help remove carbon dioxide from our atmosphere.
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Rna contains equal proportions of g and c nucleotides. true false
Answers
Erwin Chargaff disproved an earlier hypothesis that the four bases were present in equal proportions, and dispelled the view that DNA was too simple and uniform to hold genetic information.
Does RNA contain C and G?An RNA molecule has a backbone made of alternating phosphate groups and the sugar ribose, rather than the deoxyribose found in DNA. Attached to each sugar is one of four bases:
adenine (A)uracil (U)cytosine (C) or guanine (G).With this information, we can conclude that Erwin Chargaff analyzed the base composition of DNA from diverse sources and discovered consistent ratios of the bases among all the sources.
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After the producer in the food chain
everything else will be
A. a herbivore.
B. an omnivore.
C. a consumer.
Answers
Answer:
A)
Explanation:
How do different types of cells get energy?
Answers
Answer:
eukaryotic cells make energy and I think prokaryotic gets food from photosynthesis and glucose
Explanation:
i -
Conditioning involves a form of respondent behavior which is behavior that occurs in automatic response to a stimulus.a. Trueb. False
Answers
Answer: true
Explanation:
Prey
A. An animal that is hunted and killed by another for food
B. Is a way an animal’s body helps sit survive or live in its environment
C.is an animal that eats other animals
Answers
Answer: A
Explanation:
i took biology and all that fun stuff with trophic levels
Select the part of the ATP molecule that stores and
releases energy
ОА
ОВ
ОС
OD
Answers
Answer:
The correct answer is B
what is copulatory organ designed to deliver sperm into the female body sociocultural dimensions
Answers
Answer:
your pp
Explanation:
Answer:
Explanation:
gggggggggggggggggggggggggggggggggggg
Match the given symbol or molecular formula to the term that best describes it.
SO2
K
Cl2
C6H6
element
arrowRight
organic compound
arrowRight
inorganic elemental molecule
arrowRight
inorganic compound
Answers
The given symbols or molecular formula can be matched with the term that best describes it as follows: SO2 - inorganic elemental molecule KCl - inorganic compoundC6H6 - organic compound.
Inorganic elemental molecules are elements that are composed of the same type of atoms. They are often found in nature as gases. SO2 is a gaseous compound that is composed of sulfur and oxygen. It is an inorganic elemental molecule because it contains only two types of atoms.
Inorganic compounds are substances that do not contain carbon and hydrogen bonds. KCl is an inorganic compound that is composed of potassium and chlorine. It is an inorganic compound because it does not contain any carbon or hydrogen.
Organic compounds are substances that contain carbon and hydrogen bonds. C6H6 is an organic compound that is composed of six carbon atoms and six hydrogen atoms. It is an organic compound because it contains carbon and hydrogen.
In conclusion, SO2 is an inorganic elemental molecule, KCl is an inorganic compound, and C6H6 is an organic compound.
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What is prokaryotic cells??
Answers
Answer:
Prokaryotes are single-celled organisms of the domains Bacteria and Archaea. All prokaryotes have plasma membranes, cytoplasm, ribosomes, a cell wall, DNA, and lack membrane-bound organelles. Many also have polysaccharide capsules. Prokaryotic cells range in diameter from 0.1–5.0 µm.
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________. group of answer choices left atrium to the right atrium left ventricle to the right ventricle right ventricle to the right atrium left ventricle to the left atrium
Answers
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
The heart valve and its functionsThe heart is a hollow organ of the circulatory system that uses its electrical activities to pump blood to the whole body
The structure of the heart consist of the following parts
The four chambers: Includes the left ventricle, right ventricle, left atrium and right atrium.The valves: This includes the mitral, tricuspid, pulmonary and aortic valves.The mitral valve is located in the left chamber of the heart between the left atrium and left ventricle. It maintains the one-directional flow of blood through the heart.
Therefore, when the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
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Explain the Importance of water in your body
PLEASE HELP RN ASAP
Answers
Answer:
Your body uses water in all its cells, organs, and tissues to help regulate temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.
Answer:
Water is needed for your digestive track as it digests foods. As water is also needed for each cell to properly function in your body.
list the general steps in designing and conducting an experiment
Answers
The general steps in designing and conducting an experiment are: Establish your hypothesis, test your hypothesis by conducting an experiment, make an observation, analyze the results and draw a conclusion.
What are general steps in designing and conducting an experiment?The first step in designing an experiment is to identify the research question or hypothesis that you want to test. Select an appropriate experimental design as there are many different types of experimental designs.Identify the independent and dependent variablesControl extraneous variables that could affect the outcome of the experiment, but are not of interest.Select a sample of participants or subjects for your experiment.Once the experimental design is in place, it is time to conduct the experiment.Collect data from the experiment and analyze it using appropriate statistical techniques.Draw conclusions and make recommendations: Use the results of the experiment to draw conclusions and make recommendations.Communicate the results of the experiment through a research report, scientific paper, or presentation.To know more about experiment design, refer
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¿ Que condiciones del ambiente influyen en el comportamiento de la mariposa
monarca?
Answers
Answer:
Durante el invierno las mariposas monarca migran hacia el sur en busca de temperaturas más cálidas, y luego en primavera migran nuevamente hacia latitudes mayores
Explanation:
La mariposa monarca (Danaus plexippus) es un insecto lepidóptero que habita América del Norte, la cual es conocida por llevar a cabo una de las migraciones más extraordinarias observadas en el reino animal. La subespecies de mariposas monarca D. plexippus plexippus es popularmente conocida porque sus poblaciones realizan una migración masiva hacia el sur durante los meses de agosto a octubre (es decir, antes del comienzo del invierno en el hemisferio norte) y, posteriormente, estas poblaciones migran nuevamente hacia el norte en primavera. Recientes estudios han determinado cómo la temperatura induce un cambio de dirección de vuelo (es decir, el patrón de migración) de estas mariposas, lo cual demuestra que los efectos del cambio climático reprentan un grave peligro no sólo para la biodiversidad de Danaus plexippus, sino también para las especies vegetales autóctonas que se benefician de este polinizador natural y, en última instancia también, para toda la cadena trófica que abarca su radio de migración. Es por esta razón que el aumento en las temperaturas medias causado por el calentamiento global ha causado una gran alarma en la comunidad científica sobre sus efectos sobre esta especie.
Someone please help with this. It has to be at least a paragraph long answer
Answers
Answer:
during meiosis, an event known as chromosomal crossing over sometimes occurs as a part of recombination. In this process, a region of one chromosome is exchanged for a region of another chromosome, thereby producing unique chromosomal combinations that further divide into haploid daughter cells.
which feature is not characteristic of nematodes? select the correct answer below: a. nervous system b. pseudocoelom c. muscles strictly d. parthogenetic
Answers
The nematodes possess a simple nervous system, a pseudocoelum, and muscles but they are not strictly pathogenetic. So the correct option is option D.
The body shape of nematodes is bilaterally symmetric, elongated, and typically tapered at either end. Some species have a body cavity called the pseudocoel that is filled with fluid. The pseudocoelum is found in the digestive tract between the body wall and the digestive tract. Nematodes, like arthropods, as well as members of six different phyla, secrete an outer cuticle. This cuticle is regularly molted.
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If
there were suddenly no sunlight
reaching Earth, how would this
affect the ability of plants to
produce carbohydrates?
Answers
As we know that plant needs sunlight for performing the process of photosynthesis and by the process of photosynthesis produce food and if there is no sunlight than plant will not be able to produce sunlight and this will affect the ability of plant to produce carbohydrate.
What is photosynthesis?
Green plants contain chlorophyll and they prepare there own food in the presence of sunlight and the process is known as photosynthesis. In the process of photosynthesis light energy converted into chemical energy.
Carbohydrates is defied as that contains biomolecule that contains carbon hydrogen and oxygen in a ratio of 2:1. Carbohydrates are mane source of energy of the body they work as fuel for the brain, kidneys central nervous system and heart muscle.
\(Cn(H2O)n\)is the basic formula for all carbohydrates . But this formula have limitation i.e it applies where same amount of carbon and water are use.Initially the terms carbohydrate was used to describe compounds that have really contains carbohydrates. Because they had simple formula\(CH20.\)
Therefore, As we know that plant needs sunlight for performing the process of photosynthesis and by the process of photosynthesis produce food and if there is no sunlight than plant will not be able to produce sunlight and this will affect the ability of plant to produce carbohydrate.
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Acetylcholine released from the vagus opens channels in the cardiac membrane that allow ______ions to diffuse outward, which decreases the rate of depolarization of the nodal cells
Answers
Acetylcholine released from the vagus opens channels in the cardiac membrane that allow potassium ions to diffuse outward, which decreases the rate of depolarization of the nodal cells.
Acetylcholine (ACh) is a neurotransmitter that is created naturally in the body. It functions as a neuromuscular transmitter, a chemical messenger that connects nerves and muscles, allowing for muscle activity control.The Vagus nerve, one of the cranial nerves that emerge from the brain, is responsible for a variety of body functions. Acetylcholine is released by the Vagus nerve, which then acts on the heart's electrical conduction system, slowing down the heart rate.Acetylcholine (ACh) released from the Vagus nerve opens potassium channels in the cardiac membrane, allowing potassium ions to diffuse outward, which slows the rate of depolarization of the nodal cells. As a result, the membrane potential becomes more negative, slowing the heart rate.To learn more about Acetylcholine released from the vagus open channels Please visit:
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In five sentences or less, list the major steps involved in photosynthesis.
Answers
Chlorophyll in the pigmentation absorbs sunlight. Hydrogen and oxygen are separated from liquid by light energy, which is also used to divide other substances.
Which two processes are essential to photosynthesis?There are two stages to photosynthesis: energy reactions versus light-independent reactions. Daytime occurrences of light-dependent responses, also known as light interactions, are common. The Calvin cycle and dark reaction are other names for the light-independent reaction.
Where do the various stages of photosynthesis take place?The photosynthesis and the Rate of photosynthesis are the first two steps of this process. Photosynthesis have a role in both phases of photosynthesis. The stroma forms when the Calvin cycle occurs, while the thylakoid membranes are where the light reactions occur.
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in bone, crystals of calcium phosphate impregnate the extracellular matrix containing fibers of
Answers
Answer:
Explanation:
collagen. True. In bone, crystals of calcium phosphate impregnate the extracellular matrix, which contains fibers of collagen.
This combination of calcium phosphate crystals and collagen fibers provides bone with its strength and rigidity. The calcium phosphate crystals, mainly in the form of hydroxyapatite, contribute to the hardness and mineralization of bone.
Meanwhile, the collagen fibers provide flexibility and resilience to withstand forces and prevent bone from becoming brittle. This arrangement of calcium phosphate crystals and collagen fibers is crucial for the structural integrity and function of bone tissue.
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Scientists studying the blind cave-dwelling fish astyanax mexicanus hypothesized that this fish evolved from a surface-dwelling fish. if this is true, which part of a. mexicanus anatomy is most likely to be a vestigial structure?a. Eyesb. Heartc. Both
Answers
Eyes mexicanus anatomy is most likely to be a vestigial structure
How this cave dwelling fish lost its eyes to evolution?Loss of eye tissue in blind cavefish (Astyanax mexicanus), which occurs within a few days of their development, happens through epigenetic silencing of eye-related genes, according to a study led by the National Institutes of Health
s eye degeneration in the Mexican blind cavefish adaptive evolution?Accordingly, eyes could have been lost by default as a consequence of natural selection for constructive traits, such as feeding structures, which are positively regulated by Hh signaling. We conclude from these studies that eye degeneration in cavefish may be caused by adaptive evolution and pleiotropy.
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What is the chemical formula for the stable ionic compound formed between lithium and iodine?
Answers
Answer:Lil
Explanation: the one is an undertood one for both of them
Darwin's theory of natural selection is scientifically tested and accepted while Lamarck's hypothesis is largely inaccurate. Discuss the key differences between Darwin's theory of natural selection and Lamarck's hypothesis. Specifically discuss what each states about- a) where does variation come from? b) how do individuals in a population vary- are individuals all the same in their traits or variable? c) do individuals change and evolve, or do populations change and evolve? d) is evolution progressive towards perfection, is there perfection in individuals?
Answers
a) Variation: Darwin - Random mutations; Lamarck - Acquired traits.
b) Individual Variation: Darwin - Natural variation; Lamarck - Acquired traits.
c) Change and Evolution: Darwin - Populations change; Lamarck - Individuals change.
d) Evolutionary Progress: Darwin - Adaptation, not perfection; Lamarck - Progressive improvement.
a) Darwin's theory of natural selection explains that variation within a population arises from random mutations and genetic recombination. Lamarck's hypothesis, in contrast, suggests that variation comes from acquired traits influenced by the environment and an organism's needs.
b) According to Darwin, individuals within a population exhibit natural variation, meaning they differ from each other in their traits. Lamarck's hypothesis implies that individuals are not inherently variable but can acquire and pass on acquired traits during their lifetime.
c) Darwin's theory states that individuals themselves do not change or evolve within their lifetime. Instead, populations change over time through natural selection, with individuals possessing different traits. Lamarck's hypothesis suggests that individuals can change and acquire new traits during their lifetime, which can then be inherited by their offspring.
d) Darwin's theory rejects the idea of evolutionary progress towards perfection. It emphasizes that evolution is driven by adaptation to the environment, with populations evolving in response to changing conditions. In contrast, Lamarck's hypothesis implies that evolution is progressive, with organisms becoming more complex and better adapted over time.
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According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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