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Match the terms to their definitions.
A group of objects that orbit a star.


A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.


Jupiter, Saturn, Uranus, Neptune. Gas giants.


A force of attraction that keeps planets orbiting the sun.


The orbit of a planet around the sun. On Earth, one year.


The spinning of a planet on its axis, causing day and night.


Huge clusters of stars, gas, and dust bound by the force of gravity.


The idea of that the Earth and planets orbit the sun. A sun-centered view.


Mercury, Venus, Earth, Mars. Terrestrial, rocky.


The theory the universe came forth from a single spot in an enormous explosion.

1.
Big Bang

2.
Doppler Effect

3.
Nebula

4.
Solar System

5.
Geocentric theory

6.
Heliocentric theory

7.
Gravity

8.
Galaxy

9.
Rotation

10.
Revolution

11.
Inner planets

12.
Outer planets

13.
Meteor

14.
Meteorite

15.
Meteoroid

Answer:

Alt control delete XD

Explanation:

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Answer:

The Paleozoic and Mesozoic eras are different because during the Paleozoic era, life evolved from simple organisms to complex animals like fish and amphibians, and land plants emerged. The Mesozoic era was dominated by reptiles like dinosaurs and pterosaurs, with the appearance of small mammals. The end of the Paleozoic era was marked by a mass extinction event that wiped out many species, and the Mesozoic era ended with the extinction of the non-avian dinosaurs.

The fatty acid composition of the membrane phospholipids is altered due to

Due to the fact that cholesterol is an inflexible plannar molecule which is  massive in size. Its presence will additionally make the membrane permeable and fluid.

Whether the ambient temperature decreases, the permeability and fluidity of plasma membrane additionally decreases. Therefore to repair returned the regular permeability and fluidity level, greater quantity of unsaturated fatty acids are synthesized and integrated into the membrane. This bended look does no longer allowed them to pack tightly with every different and consequently their presence makes the plasma membrane loose. This helps in restoring again the permeability to regular level.

Therefore, Due to the fact that cholesterol is an inflexible plannar molecule which is  massive in size. Its presence will additionally make the membrane permeable and fluid.

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1) Easily spread which will ensure in even distribution patterns

2)Capatible in particle size whether it's smooth or hard particles

3)Free from additives and contaminants

4)Can be easily applied

EXPLAINATION;

Increases yield and ensures the right amount of nutrients the plant needs

Answer:

Properties of Life. All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.

Explanation:

Answer:

A skydiver falls to earth fast because there is gravity on Earth and a Astronaut is able to float in space because there isn't any in space .

Explanation:

Gravity doesn't exist in space because there is no air but there's air on Earth

Answer & Explanation:

Earthquakes can strike at any location on Earth and at any point of time. However, some parts of the Earth are more prone to earthquakes than others. Earthquakes happen along the edges of tectonic plates and fault lines and there are three large zones on our planet which are most susceptible to earthquakes.:-)

Answer:

The amount of living organic matter decreases at each trophic level in this ecosystem.

Explanation:

A biomass pyramid shows the flow of energy between various levels. Producers and consumers make up the biomass pyramid, which displays all their comparative masses at the same time. To create the biomass pyramid, the approximate masses are stacked up according to a well-established hierarchy.

The primary producers will lie at the bottom of the biomass pyramid. In this case, grasses, trees, flowers, and shrubs make up the needed fuel for the primary consumers that are up on the food chain.

The primary consumers are herbivores: squirrels, deer, insects, and birds that feed on trees and grasses.

In their turn, the primary consumers are food for the secondary consumers predators: frogs, carnivorous birds, and foxes.

Finally, the tertiary consumers predators sit at the top of the biomass pyramid. In this case, a bear closes the  food chain.

The amount of organic matter that can be found in any living organism is called biomass. To convey the biomass present in organisms at various trophic levels, biomass pyramids will indicate the connection between the trophic level and biomass by quantifying the latter.

The quantification uses grams per meter² to represent the volume of organic matter that can be found in an ecosystem at a given time.

The amount of living organic matter decreases at each trophic level in this ecosystem shows the relationship among the trophic levels in this ecosystem in the biomass pyramid. So, the correct option is E.

A biomass pyramid demonstrates how energy moves between different levels. The biomass pyramid, that simultaneously displays all of their comparative masses, is made up of both producers and consumers. The estimated masses are stacked in a predetermined hierarchy to form the biomass pyramid.

The biomass pyramid's base will be occupied by the primary producers. In this instance, the major consumers who are higher up the food chain provide the necessary fuel in the form of grasses, trees, flowers, and shrubs.

Herbivores including squirrels, deer, insects, and birds which eat trees and grasses are the main consumers. The secondary consumers, which include foxes, frogs, and predatory birds, in turn, use the prime consumers as food. Last but not least, the top predators are the tertiary consumers.

Therefore, the correct option is E.

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Logistic growth is a population growth pattern characterized by an initial rapid increase, followed by a stable, carrying capacity.

Logistic growth refers to a population growth pattern where the population initially grows rapidly, but as it approaches the environment's carrying capacity, the growth rate slows down and eventually stabilizes.

Carrying capacity is the maximum population size an environment can sustainably support. This growth pattern is typically represented by an S-shaped curve called a logistic curve.

The initial rapid growth is called the exponential phase, followed by a transitional phase, and finally, the plateau phase where the population remains stable around the carrying capacity.

Logistic growth can be observed in natural populations and is influenced by factors like resource availability, competition, and predation.

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Answer:

B

Explanation:

The more your blood flows, the faster. Fast friction creates heat throughout the body. Therefore quickly warming the body.

Answer:

D. Tornado.

Explanation:

A limiting factor can be defined as any environmental condition or force (resources) that is capable of affecting the growth rate, distribution and size of a population of living organisms within an ecosystem.

Basically, limiting factors are divided into two (2) main categories and these are;

I. Density-dependent limiting factor.

II. Density-independent limiting factor.

A density-independent limiting factor can be defined as the environmental factors which affect or limit the growth (size) of a population of living organisms irrespective of the population density i.e number of individual organism per unit area.

Some examples of density-independent limiting factors are earthquakes, flood, hurricane, tsunami, wildfire, volcanic eruptions, environmental pollutants, droughts etc.

Hence, a tornado is a density-independent limiting factor because it is abiotic and can kill all the living organisms irrespective of the population density.

Density-independent limiting factors are typically abiotic factors, meaning they are non-living components of the environment. The correct answer is d) tornado.

A density-independent limiting factor is an environmental factor that affects a population regardless of its size or density. These factors can have a significant impact on population size and growth but do not depend on the number of individuals present in the population.

In this case, a tornado is a density-independent limiting factor because it can cause widespread destruction and affect the population regardless of its size or density. Tornadoes can cause direct mortality, destroy habitats, and disrupt the availability of resources, leading to a decline in population size.

Therefore, the correct answer is d) tornado.

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Proteins are the maximum complex organic compounds that DNA presents as the instructions for making needed proteins.

The type of RNA that contains the records for creating a protein is known as messenger RNA (mRNA) because it contains the records, or message, from the DNA out of the nucleus into the cytoplasm.

The facts to make proteins are stored in an organism's DNA. every protein is coded for through a selected section of DNA called a gene. A gene is the section of DNA required to produce one protein.

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DNA is made up of nucleotides, so, the statement that DNA molecules are made of nucleotides is true. The correct option is c.

DNA is deoxyribonucleic acid and made up of nucleic acid. The genetic materials RNA and DNA are both composed of nucleic acid-based nucleic acids, whereas ribonucleic acid is found in RNA.

In addition, bases are linked by hydrogen bonds while DNA contains thymine and RNA contains uracil in place of thymine, all other bases are identical. All other options are incorrect regarding their composition.

Therefore, the correct option is c. DNA molecules are made of nucleotides.

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Answer:

'an' for both!

Explanation:

A good question is; What were the molecules that originated life?

The study of life is referred to as biology. It is derived from two Greek words; "bios" meaning "life" and "logs" meaning "study". Thus biology is the study of life and the properties of living things.

A very good question that could be asked is; What were the molecules that originated life? This could be traced back to simple molecules such as water, nitrogen, carbon dioxide etc.

A careful experiment could be designed where these molecules are subjected to conditions similar to those at the beginning of the universe in order to decipher how they joined together during the formation of the universe.

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In comparing the enzyme activity of the two locations; at location A, the cellulase activity is higher than at location B, while the protease activity is slightly higher at location A.

At location A, the protease activity is 2750 µmol min-1 and the cellulase activity is 4790 µmol min-1, while at location B, the protease activity is 2670 µmol min-1 and the cellulase activity is 2500 µmol min-1.

The difference in soil pH at the two locations could be due to variations in the types of vegetation, amount of rainfall, or human activities such as pollution or acid rain deposition.

The difference in soil water content at the two locations could be due to variations in the amount of rainfall, soil drainage, or the proximity to a water source such as a river or lake.

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Complete question:

Table 7.1 shows the results of a study comparing the decomposition of dead leaves at two locations A and B.

                                              location A location B

protease activity / µmol min– 1 2750       2670

cellulase activity / µmol min–1 4790       2500

soil pH                                      6.0              3.5

soil water content / %              10                  77

(i) Compare the enzyme activity at location A with the enzyme activity at location B

Answer:

BCD

Explanation:

Just got that question wrong in Test Prep

Answer:

Tooth enamel is the hardest substance in the body.

This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.

Answer:

The density of ice is less than the density of water

Explanation:

Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.

Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.

In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.

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Answer: B. Selective breeding and genetic engineering.

Explanation:

The goal of selective breeding is to produce organisms that have a disered trait through only breeding said specis with that traits. (for example, farming breeds animals that are better for food.)

The goal of genetic engineering is to take a trait from one organism and apply it to another. (For example, putting artic fish gentics into a tommat so that it won't freeze.)  

In conclusion, both of these processes serve the common goal of creating more disered organisms artifically.

Answer:

Complex carbon-containing molecules bind with oxygen to the development of CO2 and other materials during cellular respiration. There was a misunderstanding. During cellular breathing, matter is preserved, as in physical and chemical systems, the atoms are retained.

Explanation:

Answer is above

Hope this helps.

Answer:

In cellular respiration, complex molecules containing carbon react with oxygen to produce carbon dioxide and other materials. Matter is conserved during cellular respiration because atoms are conserved in physical and chemical processes.

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Answer:

No, the efficiency of a cell does not always depend on its complexity

Explanation:

hope it helps

Answer:

organisms create the food from which all other subsequent levels of the food chain get their food, and because they generate the food by the direct conversions of solar energy they are considered the primary food producers for a biosystem. Therefore, plants are considered the primary producers. Approved by eNotes Editorial Team

Explanation:

Answer:

Primary producers make their own food. Examples are organisms like plants and algae. Primary producers serve as food sources for primary consumers, which are organisms that eat producers, such as cows.

Answer:

scientific theory means an idea or proposal of a concept where as an opinion is a thing where u chose something

Explanation:

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