Answer:
Hypothesized causes for the declines include habitat destruction (the most obvious cause), climate change, pathogens, introduced exotic species, pollution, and increased UV radiation. These agents may act alone or in combination to contribute to the decline of amphibian populations.
Explanation:
I think this is the answer
Hope it helps you
Answer:
A few causes for the declines in the Amphibian population include habitat destruction, climate change, introduced exotic species, germs or pathogens, pollution increases, and increased UV radiation. These things may act alone or in combination to contribute to the decline of amphibian populations.
Here are 9 factors that have impacted the amphibian population
Insects are attracted to lights making them scarcer within the amphibian habitats.
Habitat modification.
Habitat fragmentation.
Pollution and chemical contaminants.
Ozone depletion, ultraviolet radiation and cloud cover.
Disease.
Introduced predators.
Increased noise levels.
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O
Analysis (6 marks)
List the characteristics that you think must be in a seed so it can carried by wind
from place to a place
o
O
Help?
Question 7
How many thin filaments are on each end of a sarcomere?
Answer:
Notice that in regions where the thick and thin filaments overlap, each thick filament is surrounded by six thin filaments and each thin filament is surrounded by three thick filaments. A sarcomere consists of more than just contractile and regulatory proteins.
-Psychology class -
The individual's observable characteristics, influenced by both genetic and environmental factors, are called:
1) the genotype
2) the phenotype
3) the chromosomes
4) the Nina, the Pinta, and the Santa Maria
5) none of the above are correct
answer pls and thank u
What would be a good positive control for this experiment?
Remember that a positive control should show a change during the experiment.
a) Expose a sample to visible light
b) Keep a sample in the dark
c) Add a molecule that acts as reducing agent
d) Open the lid of the cuvette
Answer: A) Expose a sample to visible light.
Explanation: It is because in this manner the sample can be exposed to the full spectrum of light. By doing this the chlorophyll in the positive control is active and so is the DCPIP and in this, it should be reduced by the photosystem.
How is sucrose produced from the end products of photosynthesis?
Sucrose is the end product of photosynthesis and the primary sugar transported in the phloem of most plants. ... SuSy catalyzes the reversible cleavage of sucrose into fructose and either uridine diphosphate glucose (UDP-G) or adenosine diphosphate glucose (ADP-G).
Sucrose is produced from the end products of photosynthesis by the fact that when oxygen is liberated in the atmosphere and hydrogen facilitates the assimilation of carbon dioxide in the dark reaction, which ultimately forms sucrose, starch, and maltose.
What is Photosynthesis?Photosynthesis may be defined as a process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
Calvin cycle stimulates the synthesis of Sucrose. In the cytosol, triose phosphate gest converted into Fructose 1, 6- bisphosphate which ultimately forms Glucose 1- phosphate that leads to the formation of UDP Glucose and ultimate sucrose if formed.
Therefore, the process of formation of sucrose from the end products of photosynthesis is well described above.
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The movement of oxygen from the blood into the systemic cells is referred to as
O a pulmonary ventilation
O b. alveolar gas exchange.
O c. systemic gas exchange
O d. gas transport
CLEAR MY CHOICE
HELP NEED ANSWER IN AT LEAST 5 MINUTES will mark brainliest A single cell can be an organism. O True O False
Answer: Yes
Explanation: All organism need energy to survive and carry out basic life functions. Mitochondria in these cells utilize ATP (which are energy molecules) to perform these functions. Even one cell can do this. ... These are all types of cell division that help categorize single-celled organisms as living organisms.
What are some ways that chromosomes can be structurally abnormal
Answer:
Delations: A portion of the chromosome can be missing or deleted
Duplications: A portion of the chromosome is duplicated resulting in extra genetic material
Translocations: A portion of one chromosome is transfered to another.
In a Lewis structure, what does a single line represent?
A. A single ionic bond
B. A single covalent bond
C. A double covalent bond
D. A single valence electron
Answer:
The answer is B
Explanation:
it's supposed to represent a single covalent bond
What are viruses referred to since they don’t easily fit into the category of living things?
bacteria
organism
cell
agent
Viruses are referred to Agents since they don’t easily fit into categories of living things.
Viruses are composed of DNA and RNA and they can be referred to as
agents as they cause different diseases which is usually very difficult to
manage and treat.
Viruses don't perform the characteristics of living organisms, they lack cells
and isn't under Bacteria as they replicate only when in the body while
bacteria replicates anywhere.
Read more on https://brainly.com/question/25236237
Answer:
The answer is agent
Explanation:
por que es tan importante el agua para nuestro cuerpo? Como podemos incorporarla en nuestro organismo?
Respuesta:
El agua es muy importante para nuestros cuerpos, porque la necesitamos para vivir y ya la correperamos en nuestro organismo.
Explicación:
Sin agua moriremos, y el agua ya está incorporada, somos aproximadamente un 60% de agua.
What statement describes a controlled experiment
Answer:
What is a controlled experiment? This is when a hypothesis is scientifically tested. In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled.
Explanation:
Hope it helps
what do you think will happen when i put a leaf discs saturated with a sodium bicarbonate solution and put it under a lamp ? will it sink or float and why ? can someone help me rq will give 30 points
Answer:
the leaf disk should float because bicarbonate is the source of its oxygen for photosynthesis and it releases oxygen into the interior of the disk causing it to float.
Explanation:
The thing which would happen if leaf discs are saturated with a sodium bicarbonate solution and put under a lamp is:
The leaf disk would floatAccording to the given question, we can see that there is an experiment which is taking place as a leaf disc is placed in a solution of sodium bicarbonate under a lamp.
As a result of this, we can see that the source of oxygen for the leaf disk is the bicarbonate and when the chlorophyll in the plant reaches out to the lamp for photosynthesis, it would make the leaf disk to float.
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functions of courtship behaviour
Answer:
to ensure that the two individuals are of the same species
Explanation:
It also involves stereotyped behaviours. Courtship behaviour informs a potential mate that the intention is breeding and not aggression.
Please give brainliest
Answer:
Courtship can be defined as the behavior used to obtain copulation with a partner, or to maintain reproductive interactions with an existing partner.Courtship, in animals, behaviour that results in mating and eventual reproduction. Courtship may be rather simple, involving a small number of chemical, visual, or auditory stimuli; or it may be a highly complex series of acts by two or more individuals, using several modes of communication.It help strengthen a pair bond that may last through the raising of the young or even longer.Courtship is its use as an isolating mechanism, a method of keeping different species from interbreeding.
How does the sucrose molecule leave the body?
Answer:
Short word, "Pee/Urine"Explanation:
If your drinking water then color of your Pee is based what you drink.How does diet affect the risk of cardiovascular, disease, obesity, or diabetes?
Answer:
obesity leads to high blood pressure and the build up of fatty deposits in the arteries which leads to cardiovascular disease. diabetes affect your risk if heart disease.
write the chemical equation of aerobic respiration?
Answer:
[tex]\huge\color{cyan}\boxed {\colorbox{black}{ANSWER}}[/tex]
C6H12O6 + 6O2 ⟼ 6CO2 + 6H2O + 38(ATP)
Biology 3.01
1. What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell?
Answer:
chromosomes will be seen in the nucleus of the dividing cell because they are visible when a cell is dividing apposed to non-dividing cells.
Explanation:
Answer:
chromosomes will be seen in the nucleus of the dividing cell because they are visible when a cell is dividing apposed to non-dividing cells.
Explanation:
need help plssssssss
explain how waxes are important to leaves and ducks
here you go
Explanation:
Plants also use waxes as a protective coating to control evaporation and hydration and to prevent them from drying out. Waxes are valuable to both plants and animals because of their hydrophobic nature. This makes them water resistant, which prevents water from sticking on surfaces.
which organ breaks down food into smaller chemicals
Answer:
pancreas
Explanation: i gotchu bro
Answer:
The pancreas
Explanation:
Explain how fingerprints are formed, and any instances where individuals tried to remove their prints.
Answer:
from the marks on the fingers
why do stem get modified give any three examples and explain how this notification help the plant
Answer:
underground stem -- for storage of food ex. potato , ginger.
spines for protection ex. citrus , bougainvillea
Explanation:
Rhizomes and corms are underground stems, modified for the storage of food. Also, these stems help in vegetative reproduction of these plants. The tips of the underground stem in potato plants become swollen due to the accumulation of food. The potato is a tuber that helps in the storage of food and bears eyes on it.
Entre los siguientes métodos de separación de mezclas, Jorge debe seleccionar el adecuado para separar sal de una mezcla de sal y agua, en la que la sal se encuentra completamente disuelta.
50%
Teniendo en cuenta la composición de la mezcla, ¿cuál de los anteriores métodos debe usar Jorge para separar la sal?
Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
Evaporación, porque este método únicamente se usa para separar líquidos.
Filtración, porque la sal y el agua se mezclan muy bien.
Filtración, porque la sal es blanca y el agua transparente.
Teniendo en cuenta las definición de evaporación, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
El método de separación utilizado para el agua y la sal es: la evaporación.
La evaporación consiste en pasar el soluto disuelto en un liquido a estado gaseoso y ocurre al aumentar su temperatura de forma natural o artificial,. Dependiendo de que se desea evaporar se utiliza el material correspondiente. La técnica mas común es por contacto y puede acelerarse si utilizamos un material conductor dentro del liquido.
En otras palabras, se conoce que la evaporación es el proceso por el cual las distintas moléculas en estado líquido, como lo es en agua, pasan a un estado gaseoso de manera espontánea, siendo este el principal efecto de la evaporación.
Como se mencionó el método de separación utilizado para el agua y la sal es la evaporación. Durante este proceso, al aplicar calor, el agua se convierte en vapor y se libera al aire. La sal, como tiene otro punto de ebullición, no se evapora.
Entonces, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
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https://brainly.com/question/17429780?referrer=searchResultsAnalysis of _____ can be used for very precise personal identification. It is even used in anthropology to identify the bones of a deceased person.
odontology
DNA
long bone measurement
fingerprinting
Answer:
DNA
Explanation:
The DNA of a human being is very unique as each human has a different sequence of it. This allows for it to be used for very precise identification of humans such that it has been used to solve crimes.
DNA is also present in every cell in the human body which is why it is useful in anthropology as well. Anthropologists can simply extract cells from a bone and through the DNA extracted, find out more about a dead person.
Therefore, DNA is the answer.
Answer:
DNA
Explanation:
In an experiment the setup that provides the basis of comparison is known as
Explanation:
Maths and science are u ok and the answer is no sir Alex Ferguson is a gim in a deal that is not the only PARSE that has a certain level in short th and the number is not a word conclu said but tunable and answers from a gim to a different between different rea or else it would take over the United kingdom to make the WORLD a black and black hottie pu is not an incide and the number of people in short supply of c is not a word of mouth but not the bible itself that the president is the God and God the father of jesus christ is not God but tunable and is conce and is a good one....
WHO WILL ABLE TO TELL THE MEANING OF THE PARAGRAPH will get --
100000000000$ MOTHER'S PROMISE
Explanation:
scientific methods
am not sure
What is the role of diaphragm?
Answer:
The role of the diaphragm is breathing
hope this helped you if it dose please mark brainiest
research historical and present ecosystem services in tonle sap. what services depend on size and timing of annual floods? how have human activities affected those in the past
Explanation:
A floods timming is affected
J.o.i.n.g.u.y.s.acs-meyd-mdf
Answer
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