Bird species on secluded islands are highly vulnerable to extinction. The large,
flightless dodo birds native to the island of Mauritius were easy prey for predators.
Which of the following most likely contributed to the extinction of the dodo bird?
. ,
A The dodo bird species produced too many offspring.
B) The dodo bird species produced too few off pring.
The dodo bird species produced offspring with no unique traits.
The dodo bird species produced offspring with very unique traits.
Answer: im going to say C
Parasitism, mutualism, and commensalism are all forms of symbiotic relationships. How does parasitism differ from mutualism and commensalism? A. Neither organism is harmed in parasitism. B. Three or more species must be involved in a parasitic relationship. C. Both organisms are harmed in parasitism. D. One organism is harmed in parasitism.
Answer:
The answer is D, the host is only negatively affected in a parasitic relationship.
Worms live in a habitat of wet soil which of the following scientist is most likely to have believed that worms are made of soil
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Answer:
C.) repeating the experiment
Explanation:
By repeating the same exact experiment, you will see if the first one was maybe a fluke or it was "real".
1. Match each term with the correct definition. a. Abdomen b. Chest c. Genitals d. Pelvis e. Sternum ____ External reproductive organs ____ The middle part of the trunk, containing the stomach, liver and spleen ____ The upper part of the trunk, containing the heart, major blood vessels and lungs ____ Long, flat bone in the middle of the front of the rib cage, also called the breastbone ____ The lower part of the trunk, containing the intestines, bladder and reproductive org
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A. Abdomen:- The middle part of the trunk, containing the stomach, liver and spleen.
B. Chest:- The upper part of the trunk, containing the heart, major blood vessels and lungs.
C. Genitals:- External reproductive organs .
D. Pelvis:- The lower part of the trunk, containing the intestines, bladder and reproductive org.
E. Sternum:- Long, flat bone in the middle of the front of the rib cage, also called the breastbone.
Thanks Hope it helps.i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand i dont understand
What happens when gases, like carbon dioxide, get trapped in the atmosphere?
Answer: Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse.
Explanation: These heat-trapping gases are called greenhouse gases. During the day, the sun shines through the atmosphere.
Gases like carbon dioxide is a green house gas. It can trap the temperature radiated from the earth surface and return back the heat in the surface. Therefore, if the carbon dioxide gas is trapped in the atmosphere, the atmospheric temperature increases.
What is green house effect ?The heat energy from sun is radiated to the earth surface make the planet warmer. However, some fractions of the heat is radiating back from the atmosphere.
Gases like carbon dioxide, methane etc. are capable of absorbing the temperature intensely and make the atmosphere warmer. These gases are called green house gases and the effect is known as green house effect.
Green house effect leads to rise in global warming. Hence, if the gases like carbon dioxide is trapped in the atmosphere, the temperature increases.
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Answer:
In areas of Africa where malaria is prevalent the number of sickle cell cases remains consistent generation after generation. ---- support the hypothesis.
In Canada the incident of sickle cell anemia has been increasing in the population. ----- contradicts the hypothesis.
Explanation:
In areas of Africa where malaria is widespread the number of sickle cell cases remains consistent generation after generation while on the other hand, In Canada the incident of sickle cell anemia are lower in the population because of environmental condition is not good for increase in malarial disease. In Africa, the environment is suitable for the mosquitoes that causes malaria so there is high increase of sickle cell anemia in the population.
what is the importance of ATP and NADPH?
Answer:
The energy that these molecules carry is stored in a bond that holds a single atom to the molecule. For ATP, it is a phosphate atom, and for NADPH, it is a hydrogen atom.
These electrons are used to produce NADPH as well as ATP in a series of reactions called the light reactions because they require light. NADPH and ATP formed by the action of light then reduce carbon dioxide and convert it into 3-phosphoglycerate by a series of reactions called the Calvin cycle or the dark reactions.
18. The ____ effect refers to how certain types of gases trap heat in the
atmosphere to keep the Earth warm.
*
Greenhouse
Negative Feedback
O Heater
Answer:
Greenhouse
Explanation:
PLS HELP ASAP!! THERE ARE 3 QUESTIONS 10 POINTS EACH!! PLUS BRAINLIEST IF YOU GET THE FIRST RIGHT ANSWER!!
Answer:
Question 17: B: They may provide evidence that Pennsylvania was once covered by warm ocean waters since most corals are presently found in these environments.
Question 14: I think the answer for this question might be A. But I'm not sure.
Question 10: D: Plates move toward each other and volcanic mountains form.
How does one test for fats and oil? And color
does it give off
Answer:
paper test
actually this test no need of color observation
Explanation:
take a paper put any fatty substance and cover it with another paper and start rubbing
you can see that the paper is becoming a bit opaque
and this is because of oil or fatty substance in that food item
hope it helped7. The _____________ is a collection of buried, long-dead organisms and can tell us information about prior ancestors - the _____________ a fossil is, the ______________ it is in age and the ___________ related it is to modern organisms.
Answer:
Fossil.
Explanation:
Fossil is a collection of buried, long-dead organisms that can tell us information about ancestors of an organism. The physical features of fossil provides information about its relationship with modern organisms. The fossil which is present in very deep in the soil are more older than the fossil that is present in less depth. We can find age of the fossil by using radiometric dating methods which tells us about the existence of fossil on the earth.
Name the process through which gaseous exchange occurs.
Answer:
Diffusion
Explanation:
Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the alveoli and the capillaries in the lungs.
Las subunidades que forman el ADN se denominan:
what is the central Nervous system (cns)
Answer:
the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord.
Explanation:
^
What is the original source of the energy stored in fossil fuels?
Answer:
the sun and previous organisms.
Explanation:
it's right
Explain Newton’s First Law and give an example of it
Answer:
When a person jumps out of a moving vehicle, he falls forward due to inertia of motion. One example of Newton's first law in real life is, when you are walking with a glass filled with water, you will notice that the water spills at certain locations when you walk at faster pace. The water inside the glass will remain at rest until you move.
Explanation:
Answer:Newton's first law states that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.
An object at rest stays at rest.
Explanation:
na zdjęciu przedstawiono nietypowego ssaka który zamieszkuje Australia Zapisz nazwę ssaka ze zdjęcia następnie wyjaśnij na czym polega jego Wyjątkowość
Answer:
gdzie jest zdjęcie ssaka?
Explanation:
A cell plate pushes the newly formed cells
away from each other and will reform with
cell walls in what type of cell?
A. animal cells
B. prokaryotic cells
C. plant cells
Answer:
think it's plant cells bcos it has cell wall
In the presence of arsenate poisoning glycolysis is interrupted. ATP production proceeds via a reaction that involves 1,3-bisphosphoglycerate. a net production of 2 molecules of ATP occurs. All of the above None of the above
Answer:
glycolysis is interrupted.
Explanation:
The presence of arsenate can poison the process that inhibits ATP production which occurs during the process of glycolysis. Arsenate inhibits ATP formation during the process of glycolysis by substituting arsenate for the phosphate anion in a process known as arsenolysis. Arsenic has to inhibits cellular respiration by inducing mitochondrial enzymes and uncoupling oxidative phosphorylation.
in VDJ recombination occurs in the Group of answer choices variable region of the heavy chain. constant region of the light chain. variable region of the light chain. Both the light and heavy chain.
Answer:
constant region of the light chain.
Explanation:
The VDJ recombination is defined as the process where the T cells as well as the B cells are randomly assembled from the different gene segments. These are mainly known as the variables (V), the diversity (D) and the gene (G). This is done in order to generate the unique receptors which is also called as the antigen receptors so that they can collectively recognize the different types of the molecules. It mainly occurs in the constant region of the light chain.
During what process do producers convert carbon dioxide into carbohydrates?
Carbon dioxide is converted into carbohydrates during the carbon cycle
Carbon dioxide is converted into carbohydrates during cellular respiration
Carbon dioxide is converted into carbohydrates during the eating process
Carbon dioxide is converted into carbohydrates during photosynthesis
Answer:
Answer is d
Explanation:
CO2 is converted into carbohydrates during photosynthesis
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Describe the relationships among amino acids, chromosomes, proteins, and genes in the cells of a jackalberry plant. Make sure to include how gene expression is related to protein synthesis.
Answer:
The jackalberry plant is a multicellular organism whose cells contain chromosomes. The chromosomes contain genes that are transcribed to produce messenger RNAs, which are then translated into proteins
Explanation:
The Jackalberry tree is a plant, i.e., a multicellular organism. Multicellular organisms have chromosomes in the nucleus of each cell. A chromosome is a long DNA molecule that contains part (or even all) of the genetic information of a particular organism. Genes are specific segments of the chromosomes, which are expressed in a process called 'transcription' where a gene is used as template to synthesize an RNA molecule, usually a messenger RNA (mRNA). Subsequently, these mRNAs are used to synthesize proteins by a process called 'translation'. In an mRNA molecule, each specific triplet of nucleotides is known as a codon and corresponds with a specific amino acid during protein synthesis. Thus, the mRNA sequence dictates the correct order of amino acids (i.e., the building blocks of proteins) in the polypeptide chain.
We explain the problematic situation of respiratory diseases
Answer:
Respiratory diseases like Asthma are increasing at a significant rate due to pollution.
Explanation:
Pollution in dense cities and other areas causes damage to the lungs, causing respiratory illnesses.
What is a limitation of Crispr
Explanation:
Limitations. CRISPR/Cas is an extremely powerful tool, but it has important limitations. It is: ... not 100% efficient, so even the cells that take in CRISPR/Cas may not have genome editing activity. not 100% accurate, and “off-target” edits, while rare, may have severe consequences, particularly in clinical applications.
CRISPR fixes genetic code typos or mistakes
to help cure diseases
or
give the person desired genes or traits
13. Which of these statements about particulate matter less than 2.5 microns in diameter is true?
A. They can cause heart and lung disease.
B. They're produced from nitrogen gas (N.).
C. They're less of a threat than particulate matter that's 10 microns in diameter
D. They're the size of a human hair.
Answer:
Nitrogen Gas
Explanation:
penn foster
lesson 2
page 13
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By designing and performing an experiment.
Explanation:
A hypothesis is an educated guess or theory, so to test a hypothesis, one would not only design an experiment, but perform it as well.
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12. Which has NOT been linked to acid precipitation?
a. Toxic metal poisoning
b. Lower blood pH
c. Respiratory problems
d. Damaged monuments
Answer:
D
Explanation:
Lower blood pH has not been linked to acid precipitation. So, the correct option is (B).
What is Acid Precipitation?Acid rain is defined as rain or any other form of precipitation that is abnormally acidic, meaning that it contains high levels of hydrogen ions. Most water which include drinking water, has a neutral pH that exists between 6.5 and 8.5, but acid rain has a pH level lower than this and averages between 4–5.
Acid rain can be caused by natural causes, such as volcanic eruptions, while acid rain can also caused by human activities such as the burning of fossil fuels, manufacturing, oil refineries, electricity generation, and vehicles, all of which release sulfur and nitrogen oxides into the atmosphere.
Thus, lower blood pH has not been linked to acid precipitation. So, the correct option is (B).
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