The best choice would be B.
Adaptive radiation describes the rapid evolutionary diversification(speciation) of a single ancestral line.
How many Atoms does a human have?
Answer:
About 7 x [tex]10^{27}[/tex]
describe the relationship between fish and coral
Answer:
Commercialism. The fish have protection from predators , so they benefit. The coral does not benefit from the fish though
sorry if my spelling is off
Which statement is true?
A. Opinions can be scientifically tested.
B. Scientific theories are absolute and cannot be changed.
C. Scientists have learned all they’ll ever know about science.
D. Facts can be scientifically tested.
Answer:
D. Facts can be scientifically tested.
Explanation:
Facts are true at all times, or else they are not facts. This means that they will be correct when put against the test, whether in an experiment or through history. If it is not consistent, it is not a fact, but a theory.
~
Answer: D is correct, facts can be scientifically tested
Which structure is the site of photosynthesis within a plant? A. Roots B. Stomata C. Xylem D. Leaves
Answer:
The site of photosynthesis of a plant a.k.a kitchen of a plant is the leaf.
Explanation:
The leaf is the site of photosynthesis because its broad surface can absorb sunlight. Chloroplast is present in leaves, which contains chlorophyll which is a key factor of photosynthesis. The leaf has stomata under its surface which is responsible for gaseous exchange. Therefore, leaves act as the primary location for photosynthesis.
Hope this helps <3
Final answer:
Leaves are the major site of photosynthesis in plants, specifically within a layer called the mesophyll, and gas exchange occurs through regulated openings known as stomata.
Explanation:
The major site of photosynthesis in plants is the leaves. Photosynthesis occurs in a middle layer of the leaf called the mesophyll, where cells contain chlorophyll, the green pigment crucial for this process. The gas exchange of carbon dioxide and oxygen essential for photosynthesis takes place through the stomata, which are regulated openings typically found on the underside of the leaf. These stomata are controlled by guard cells that respond to osmotic changes to regulate the loss of water and the intake of carbon dioxide.
Photosynthesis is the process in which green plants, algae and some bacteria convert light energy from the sun into chemical energy in the form of glucose (a type of sugar) and oxygen. This process takes place in the chloroplasts which are located in the leaves of a plant. The chloroplasts contain chlorophyll, a green pigment that captures light energy from the sun and uses it to convert carbon dioxide and water into glucose and oxygen during photosynthesis. Therefore, the correct option is D. Leaves.
During which phase does Earth see more than half of the moon's surface?
1)first quarter
2)third quarter
3)waxing gibbous
4)waning crescent
Answer:
Waxing gibbous
Explanation:
During which phase does Earth see more than half of the moon's surface?
3) Waxing gibbous
In waxing gibbous phase Earth see more than half of the moon's surface
What is waxing gibbous?The Waxing Gibbous phase occurs when the illuminated portion of the Moon increases from 50,1% to 99,9%. Up till the Full Moon, it lasts from the time right after the First Quarter Moon. Gibbous refers to the oval to circular form, whilst waxing denotes that it is growing in size. It might be difficult to distinguish the Waxing Gibbous Moon from a Full Moon as its lighted portion increases to 98–99 percent.
The Waxing Gibbous Symbolizing the last actions you must do to complete your task or complete the job. It's the moment when you can finally make out the light at the end of the tunnel, and it's also the time to push yourself to the limit and finish what you've begun before the Full Moon so you may bask in the glory of your passion project.
You may feel the impulse to refocus your life or a project during the Waxing Gibbous Moon. It's crucial to not battle this emotions. Only positive things will occur if you embrace it and trust it rather than resist it. It's likely that some sacrifices may be needed to reap the revaluation.
What is Earth?The only cosmic object known to have life is Earth, which is located third from the Sun. Although the Solar System contains large quantities of water, only Earth has liquid surface water. The ocean covers around 71% of Earth's surface, dwarfing its lakes, rivers, and polar ice. Land, made up of continents and islands, makes up the remaining 29% of the Earth's surface. Mountain, volcanoes, and earthquakes all are results of the friction between the tectonic continental plate the Earth's surface layer. The magnetic force that forms Earth's magnetosphere and deflects harmful solar winds is produced by the liquid outer core of the earth.
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Which of the following diseases might be susceptible to antiviral drugs?
A. African sleeping sickness
B. Chickenpox
C. Tuberculosis
D. All of the above
Answer A
Explanation:
Which of these statements describes one way that a non renewable resource is obtained
Answer: Option (A)
Explanation: Non-renewable resources are those that are very limited in amount and cannot be regenerated after consumption. They are also known as the conventional energy. For example, Petroleum, Crude oil and Natural gas.
From, the above given question, the best suitable answer is option (A) in which the non-renewable resource crude oil is being obtained from a rig.
Answer: A.
Explanation:
what is an allele????
Answer:
The short answer is that an allele is a variant form of a gene.
Explanation:
Explained in greater detail, each gene resides at a specific locus (location on a chromosome) in two copies, one copy of the gene inherited from each parent. The copies, however, are not necessarily the same. When the copies of a gene differ from each other, they are known as alleles. A given gene may have multiple different alleles, though only two alleles are present at the gene’s locus in any individual.
PLEASE GIVE ME BRAINIEST
An allele is one of multiple forms of a gene that exists at the same location on a chromosome and is responsible for the variety observed in the traits of organisms. Alleles can give rise to different phenotypes, which depend on their combination in the genotype of an individual. The expression of alleles can follow different patterns like incomplete dominance or codominance.
An allele is one of two or more alternative forms of a gene that arises by mutation and are found at the same place on a chromosome. Alleles can lead to different phenotypes, or observable traits, in an organism. For instance, a gene that determines flower color in a plant might have two alleles, one resulting in red flowers and the other resulting in white flowers. The combination of alleles that an organism has, known as its genotype, directly impacts its phenotype. Different patterns, such as incomplete dominance or codominance, can influence the outcome of an organism's phenotype when two different alleles are present.
In cases of incomplete dominance, the phenotype of the heterozygous genotype (where two different alleles are present, such as Aa) is often intermediate between the phenotypes of the homozygous genotypes (where two of the same alleles are present, such as AA or aa). Codominance is a condition where both alleles of a gene pair in a heterozygote are fully expressed. For instance, the AB blood type in humans is a result of codominance, where both A and B alleles are expressed.
The plasma membrane is
Hello There!
The plasma membrane is an important membrane. It’s job is to maintain proper concentrations of materials inside the cell.
what is the region of earth that provides support for all living things
Answer:
Biosphere
Explanation:
Answer:
The biosphere is the region of the Earth that supports all living things
Explanation:
hope this helps.
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12. Which of the following best describes the process of hydration?
O A. Water moving through soil carries away important nutrients,
B. Water bonds with elements in the minerals that make up a rock, forming new substances,
C. Water transports weathered sediment from one place and deposits it in another.
D. Water breaks existing bonds among elements in the minerals that make up a rock.
The answer you are looking for is B
Answer:
B. Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.
Explanation:
Hydration refers to a reaction where a substance is combined with water.
hydration takes place during the weathering process when the mineral structure absorbs water to form a unique or new substances.
hydration causes the rock to rise in a volume that puts tension or stress on the rock and makes it more susceptible to weathering process.
Thus option(B)Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.
Why would a rough steep mountain habitat have a higher rate of speciation than a large open grasslands habitat?
A rough steep mountain habitat will have a higher rate of speciation than a large open grassland. The reason for that is that the open grassland has monotonous living conditions all through it, thus the species are the same with the same adaptations all over it. The rough steep mountain habitat, on the other hand, has multiple different living conditions. The different living conditions are defined by the elevation, and in accordance to it there will different species living at different elevations. Also, the mountain is a natural barrier for the air masses, so while on one side of it there's rainfall, on the other one there's dry weather conditions, which again creates different living conditions, different adaptations by the living organisms, thus different species.
Answer:
The mountains prevent organisms from interacting.
Match the type of of evidence for evolution with the correct example.
Answer: 1) vestigial structures 2) Analogues structures 3) DNA sequence data 4) Homologues structures
Explanation: vestigial structures also called vestigial organs, lost their function in some organisms whereas playing a important role in others.
Analogue structures have different structures but same function.
DNA sequencing is a method which is used to check similarities among different group of organisms.
Homologues structures have same structure with different functions.
Answer:
Homologous structuresAnalogous structuresDNA sequence dataVestigial structuresExplanation:
Evidence of evolution is the physical and biological characteristics that supports the theory of evolution, it may be:
AnatomicalMolecular biologyBiogeographyFossilsDirect observationAnimals have a variety of adaptations, including trachea and gills, which allow this key process to occur. Which provides the molecules necessary for cellular respiration and efficient ATP synthesis? A. Digestion B. Gas exchange C. Nutrient absorption D. Waste elimination
Answer:
b
Explanation:
For oxygen
MgBr2
How many atoms of each element are in this compound?
A. 2 magnesium atoms and 2 bromine atoms
B) 2 magnesium atom and 2 bromine atoms
C) 2 magnesium atoms and 1 bromine atom
D 1 magnesium atom and 2 bromine atoms
Answer:
D
Explanation:
All of the following are examples of physical properties EXCEPT
a melting point
b. hardness.
c. ability to burn
d. density
Answer:
C. the ability to burn
Explanation:
Physical properties tend to include color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction or repulsion , magnets, opacity, viscosity and density. And hardness is obviously physical
Some fish and amphibians have _____, which detect electrical fields that help them navigate through dark, murky waters. photoreceptors olfactory receptors electroreceptors thermoreceptors
Answer:
Electroreceptors
Explanation:
Fishes and some of the amphibians are aquatic animals. They live in water and water is good conductor of electricity. Due to this property of water, fishes and amphibians use their electroreceptors to detect electrical fields. This helps them to find location and food and can take preventive measure against their enemies.
Which two molecules do green plants use to make glucose?
O
A. Nitrogen and water
O
B. Hydrogen and oxygen
O
C. Carbon dioxide and water
O
D. Methane and iron oxide
Answer:
C. Carbon dioxide and water
Explanation:
The Carbon and Oxygen from glucose come from Carbon Dioxide and the Hydrogen and Oxygen come from the water.
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Carbon dioxide and water two molecules do green plants use to make glucose.
Do green plants make glucose?
In contrast to humans and other animals, plants can produce glucose through a process known as photosynthesis.
What 2 molecules are used in photosynthesis?
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen.
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Jellyfish release the egg and sperm into the sea. The fertilized egg settles down on the sea floor and grows into a polyp. When polyps bud, they form a medusa, which develops into the jellyfish. What is this process of reproduction called?
it doesnt really saw what it is called for a jelly fish to mate other than the madusa and polyps thats it i hope this helps some whatExplanation:
what is the 77 element on the periodtic table
Answer:
Iridium
Explanation:
A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second-densest metal (after osmium) with a density of 22.56 g/cm3 as defined by experimental X-ray crystallography.
Answer:
Iridium, with atomic number 77 and two stable isotopes, 191 and 193, is formed in a platinum alloy in the regular bar and the weight used for many years to define the meter and the kilogram.
What Iridium is?
Iridium is a very strong, fragile and thick metal and is very rare, too. Iridium is the most corrosion-resistant compound in the Periodic Table of Elements. It has the largest density of all the elements, too. Since it is resistant to deterioration, it is used to set standards for weights and measures.
Convection currents transfer thermal energy ___? A. Between continents B. From cooler regions to warmer regions C. From warmer to cooler regions D. As a result of buoyancy
Hello There!
"Option C"
Convection currents transfer heat from warmer regions to cooler regions
Convection currents transfer heat from one place to another.
Convection currents transfer thermal energy from warmer to cooler region.
Option C
Explanation:
Thermal energy is transferred by convection from hot places to cold places. It is form of "kinetic energy" that is transferred as heat. When the hot liquid or gas becomes cool liquid or gas then convection happens. Then the cooler gas or liquid will goes to the place of hotter gas or liquid. This results in a "continuous circulation sequence".
"Water boiling" in a beaker is one of good examples of these "convection currents". Atmosphere is also example of convection. The Earth surface gets heat by sun the warm or hot air rises and cool air moves in. Other options are incorrect as thermal energy transfers from warm to cool places by convection.
which describes a role of enzymes
Answer:
Enzymes fulfill many important functions in our bodies. One of their main functions is to accelerate the rate of all chemical reactions that occur in our bodies. Besides, some enzymes help the body digest large molecules by breaking them into small pieces. They also help with the metabolism process.
Which is a vascular tissue in plants?
A. phloem
B. fungi
C. leaves
D. roots
Answer: Phloem
Explanation: In higher plants, the phloem is a vascular tissue that carries sugars and other nutrients synthesized from the organs that produce them, to those in which they are consumed and stored. The phloem is organized in vascular bundles (see image below) , which are longitudinal filaments of the conductive tissue associated with the water-conducting tissue or xylem. The vascular bundles are important structural organs of the herbaceous stems and the leaf nerves.
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I hope it could help you. Regards. María
he release of stored energy from rocks that are deformed by stress is called elastic _____.
rebound
shock
pressure
friction
Answer:
The release of stored energy from rocks that are deformed by stress is called elastic rebound.
A. Rebound. The elastic rebound theory explains how energy spreads during an earthquake.
I hope this helps! :)
Which best describes scientific facts?
observable and objective
true and subjective
unsupported and believed
estimated and unquestioned
Answer:
Observable and objective
Explanation:
Scientific facts require repeatable experiments or proven qualities that can be repeated over and over again. If you do an experiment to verify a scientific fact, I should be able to do the same experiment and get the same result.
A scientific fact does not and cannot change.
Scientific facts are best describes by observable and objective. Thus, option A is correct.
What are scientific thinking?Scientific thinking is a type of knowledge that includes intentional information seeking, including asking questions, testing hypothesis and making observations as well as recognizing pattern.
The scientific or scientists are clear as to the purpose at hand and questions at the issue. The scientific essential standards that should be implies on the elements of scientific thought such as clarity relevance depth, breath, logic and accuracy.
The scientific thinking prefers to thinking about the content of science and the set of reasoning process.
The example of scientific thinking is that question information, conclusions and points of view which is strive to be accurate, relevant and precise.
Therefore,Scientific facts are best describes by observable and objective. Thus, option A is correct.
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what r some adaptions that help animals who live in the Alpine biome survive
Animals in the Alpine biome have adapted to survive temperature fluctuations through migration, like the Arctic Tern, Monarch butterflies, and Reindeer. Others, like the Snow Leopard and Cheetah, have physical adaptations such as thick fur and fast speed. Still others use behavioral adaptations like mimicry and camouflage.
Explanation:Animals living in the Alpine biome have developed several interesting survival adaptations. Temperature fluctuations are a major challenge they face which many of them have adapted to by adopting a strategy of migration. For example, the Arctic Tern makes a 40,000 km round-trip flight each year between both hemispheres to find food and suitable breeding grounds while Monarch butterflies and Reindeer also migrate significant distances for similar reasons.
Some other kinds of adaptations include physical changes to their body. For instance, the thick fur of Snow Leopards is an adaptation for surviving in cold conditions and a Cheetah's fast speed helps it catch prey effectively. Besides these, there are also behavioral adaptations like mimicry and camouflage which animals employ for survival.
However, not all animals migrate because of the risks and high energy costs associated with migration. Also, some classes of animals like amphibians and reptiles are more limited in their distribution because they generally lack migratory ability.
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Once an egg cell is fertilized by sperm, the cell _______.
Then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood.
A.
becomes a fetus immediately and exits the womb
B.
begins to divide and implants itself in the wall of the uterus
C.
remains in the uterus without dividing for several months
D.
travels back to the ovaries until the fetus is developed
i think its B. begins to divide and implants itself in the wall of the uterus
Which two hypotheses can be supported with quantitative data?
A) People who eat low-protein diets are more likely to have less muscle mass.
B) It’s ethical to eat a vegetarian diet.
C) People are happier during the summer than during the winter.
D) Eating an organic diet makes people feel better.
E) Eating less salt lowers blood pressure over time.
How does upwelling affect coastal fisheries?
Upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water.
Upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water.
Upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water.
Upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.
Answer:
Upwelling improves the nutrient supply at coastal fisheries as the cold, nutrient-rich water replaces the warm, nutrient-poor surface water
Explanation:
The upwelling is simply the process through which the cold water rises up toward the surface, pushes and moves away the warmer water, until it gets warmer and is pushed by the colder water blow it. The cold water that rises toward the surface is nutrient-rich, while the warm surface water is nutrient-poor. By having the nutrient-rich cold water come toward the surface, the coastal fisheries have great benefit, as the more nutrients there are, the more fish there will be for them to catch.
Parasitism could be considered a form of which of these types of relationships?
-Mutualism
-Commensalism
-Predator-Prey
-Mimicry
Answer:
I think Commensalims just tell me if I am wrong
Answer:
The correct answer is option - predator-prey.
Explanation:
Parasitism is the relationship between two different organisms in which one is the host and the other called parasite. The host is the one who gets harm by the parasite, whereas parasite takes it food and nutrition from the host and get benefited.
Parasitism and predator-prey relationship are similar to the one get benefited and other loose life or get harm in such a relationship.
Thus, the correct answer is option - predator-prey.