Modern organisms have some similarities to organisms that are now extinct. What is one possible explanation for this?
Answers
Answer:
Darwin's theory its simple thus that do not evolve shall dissolve meaning if an organism cannot keep up with the environment around it it will die off and if it can it will evolve.
Explanation:being that there are many species of cat that prolly come from one organism they all evolved according to there needs
The idea of evolution is one explanation for the similarities between living things and extinct ones, such as the Smilodon saber-toothed tiger and contemporary cats. Through the processes of natural selection, genetic drift, and gene flow, populations of species undergo evolution over time.
What is an Evolution?Natural selection, genetic drift, and gene flow are three processes that allow populations of organisms to change over time. This process is known as evolution.
When populations of organisms diversify and some individuals have traits that are more beneficial to their environment than others, evolution occurs. This causes the evolution of new species over time that are more adapted to their surroundings.
For example, the evolution of modern cats from the Smilodon saber-toothed tiger probably occurred over a long period of time through a succession of small changes in the cat population. Eventually, the evolution of the contemporary cat was influenced by cats that had somewhat sharper teeth or a greater hunting ability because they were more successful at catching prey and passing on their genes.
Therefore, the idea of evolution is one explanation for the similarities between living things and extinct ones, such as the Smilodon saber-toothed tiger and contemporary cats.
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Related Questions
1. Reproduction transfers _____________ information from ____________ to their ____________.
Answers
Answer:
Reproduction transfers genetic information from one organism to their other organism
Explanation:
Answer:
genetic, parents, offspring
Explanation:
Most organic compounds are made of just four elements.
What are they?
Choose four correct answers.
helium
hydrogen
nitrogen
carbon
oxygen
sodium
Answers
Describe the chemical composition of the Earth's atmosphere. Which elements are abundant? Which are not?
Answers
Answer:
Nearly all of the Earth's atmosphere is made up of only five gas es: nitrogen, oxygen, water vapor, argon, and carbon dioxide. Several other compounds are also present. Although this CRC table does not list water va por, air can contain as much as 5% water vapor, more commonly ranging from 1-3%.
Explanation:
Site: Go ogle sorry...
The Earth's atmosphere is primarily composed of nitrogen (78%) and oxygen (21%), with trace amounts of other gases such as argon, carbon dioxide, and neon. Water vapor levels vary but can reach around 4%. Additionally, there are trace amounts of various gases, including methane and ozone.
In the Earth's atmosphere, nitrogen and oxygen predominate. At around 78%, nitrogen predominates, with oxygen making up around 21%. These two gases are necessary for maintaining life since oxygen is required for breathing and nitrogen is used by plants and other living things.
Smaller amounts of other gases like neon, carbon dioxide, and argon are also present. Water vapor plays a significant effect on weather and climate, fluctuating but sometimes reaching 4%. Methane, ozone, and other trace gases are present in small levels yet have a big impact on climate, affecting greenhouse effects and atmospheric chemistry.
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PLEASE HELP WILL MARK BRAINLIEST How does the human excretory system filter waste from the blood, store it and then get rid of it? Include the word kidneys, urine and bladder in your answer.
Answers
Answer:
Waste is filtered from the blood and collected as urine in each kidney. Urine leaves the kidneys by ureters, and collects in the bladder. The bladder can distend to store urine that eventually leaves through the urethra. Human excretory system and the details of the kidney.
Answer:
blood is filtered in the kidneys and the waste is then transported from the kidney to the bladder.
Explanation:
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With an increase in farming comes an increased impact on the environment. Why would increasing amounts of pesticides in the soil and groundwater be bad?
Answers
Answer: Pesticides are found as common contaminants in soil, air, water and on non-target organisms in our urban landscapes. Once there, they can harm plants and animals ranging from beneficial soil microorganisms and insects, non-target plants, fish, birds, and other wildlife.
Source:
Impact of pesticides use in agriculture: their benefits and ...https://www.ncbi.nlm.nih.gov › articles › PMC2984095
Increasing amounts of pesticides in the soil and groundwater be bad because they are harmful to the health of humans and animals, and they cause very harmful diseases.
What are pesticides?Chemicals known as pesticides are used to control or kill pests that threaten crops on farmlands. These pesticides are harmful to the health of people and animals if consumed, even if they aid the farmer in eliminating his pest problem and probably boost productivity.
Pesticide tolerance, as established by the Environmental Protection Agency (EPA), refers to the quantity of a pesticide chemical that can be applied to a product.
Therefore, growing concentrations of pesticides in the soil and groundwater are problematic, since they endanger both human and animal health and lead to extremely dangerous diseases.
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Explain why cell division is more complicated In eukaryotic than prokaryotic cells
Answers
Answer:
Although prokaryotes divide through binary fission, eukaryotes undergo a more complex process of cell division because DNA is packed in several chromosomes located inside a Cell dividing by mitosis.
Explanation:
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Drag and drop each organelle to match it to the correct description.
Answers
A cyclist travel 9 km in 30 minutes. What is the students average speed in km/h?
A.14 km/h
B.16 km/h
C.18 km/h
D.20 km/h
Answers
The students average speed is 18km/h. So, the correct option is C.
What is Speed and Velocity?Speed is defined as the time rate at which an object is moving along a path, whereas velocity is defined as the rate and direction of motion of an object. Speed is a scalar quantity as it has only magnitude, whereas velocity is a vector quantity as it has both magnitude and direction.
Speed is expressed as
Speed= Distance/ time taken
Velocity is expressed as:
Velocity= Displacement/ Time taken
Both are expressed as meter per second. (m/s)
For above given information,
If student travelled 9km in 30 minutes
So, it will cover in 1hr = 9* 60/30 = 18km/hr
Thus, the students average speed is 18km/h. So, the correct option is C.
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The more homologous structures two species have, the ________ closely related they may be.
Answers
Answer:
more closely
Explanation:
The more alike the structures are the more closely related the organisms are to one another.
The more homologous structures two species have, the more closely related they may be, as homologous structures are traits or anatomical features that are similar in different species.
Homologous structures are features that are similar in different organisms because they are inherited from a common ancestor. These features may have different functions in each organism, but they share a similar underlying structure. For example, the bones in the wings of a bird, the arms of a human, and the flippers of a dolphin are all homologous structures, despite having different functions and appearances. The degree of similarity of homologous structures can be used as an indicator of how closely related two species are to each other.
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what will be the correct answer for this?
Answers
‘Scientists determine the SCALE of the MODEL needed to accurately DEPICT that model.’
Describe the life cycle of a mollusk.
ill give brainlist!!
Answers
Answer:
Like many invertebrates, the mollusk life cycle includes one or more juvenile or larval stages that are very different from the adult form of the animal. Both mollusks and annelids develop through a larval stage called a trochophore larva. ... Mollusks reproduce s,exually, and most species have separate genders
Explanation:
A student made the graph below to show the distance a toy car traveled over time.
Which statement in NOT supported by the data?
Answers
Answer:
The answer is D
Explanation:
Let's remember y=mx+b so know this equation y=2x since there is no base and there is no acceleration what so ever there is a constant.
What are the types of rainforests? (Select all that apply.)
a.) rocky
b.) tropical
c.) taiga
d.) temperate
Answers
Explain what happens to the products that are produced by cellular respiration in people
Answers
Answer:
the product of aerobic respiration are carbon dioxide and energy we exhale or breathe out carbon dioxide while we take energy to use for growth repair etc
I'll give brainliest to the person with the correct answer
Answers
Answer:
You are correct it's the earth!
Explanation:
The reason why is because, the term "elliptical orbit" is used in astrophysics and astronomy to describe an oval-shaped path of a celestial body. The Earth, as well as all the other planets in the Solar System, follow this type of orbit around the Sun. The shape is created by the varying pull of forces, such as gravity, on two objects, such as the Sun and a planet.
Hope this helps! :)
Because The reason why is because, the term elliptical orbit is used in astrophysics and astronomy to describe an oval-shaped path of a celestial body. The Earth, as well as all the other planets in the Solar System, follow this type of orbit around the Sun.
What are the three forest ecosystems? (Select all that apply.)
a.) temperate
b.) taiga
c.) rocky
d.) rainforest
Answers
b, taiga
d, rainforest
Where is the Earth’s stratosphere?
Answers
Answer:
Earth stratosphere is the second layer in Earth's atmosphere.
Explanation:
its above the troposphere and under the mesosphere. have a nice day :)
Which type of reproduction creates variation that helps a species survive? (Check all that apply.)
A. cloning
B. s3xual reproduction
C. as3xual reproduction
Answers
Answer:
B. s3xual reproduction
Explanation:
results in infinite possibilities of genetic variation. In other words, s3xual reproduction results in offspring that are genetically unique. They differ from both parents and also from each other.
Magma that cools below Earth’s surface forms ____ rock.
a.
extrusive metamorphic
c.
intrusive metamorphic
b.
extrusive igneous
d.
intrusive igneous
------------------------------------------------
Please select the best answer from the choices provided
Answers
Answer:
intrusive igneous
Explanation:
it's called intrusive igneous
Where do living cells come from?
DNA
traits
living cells
non-living cells
Answers
Cell theory states that living things are composed of one or more cells, that the cell is the basic unit of life, and that cells arise from existing cells.
So the correct option is C - Living cells
What stage does a flower have to reach for reproduction to take place?
1:beginning stage
2:growth stage
3:adult stage
Answers
Answer:
Growth
Explanation:
The major stages of the flower life cycle are the seed, germination, growth, reproduction, pollination, and seed spreading stages. As you can see, growth is before the reproduction so at that stage you are able reproduce.
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Three species of birds live in the tropical forest, bird A is adapted to finding food in the trees, bird B is adapted for finding food in the water, bird C is adapted to finding food in the mud. If the biggest river in the forest was to dry out witch birds will be most and least affected, explain with complete sentences.
Answers
Answer:
bird A would be least affected.
Bird B would be the most affected.
Explanation:
hope this answers ur question
The bird that would be the most effected is Bird C. This is because it’s adapted to finding food in water and if the forest was to dry out there would be no water to find food in.
An analogy compares one thing to something else that functions in a similar way. For example, you might say a person who works very hard for a long time is "like a machine."
Is this analogy true or false?
A nucleus is like a brick in a wall.
true
false
Answers
THE answers IS FALSE IF IT WAS BETWEEN CELLS AND BRICKS THEN IT WOULD BE TRUE CAUSE THEY ARE BUILDING BLOCKS. one for life and one for buildings.
an example of another problem that could be solved by using the information from the maps in this activity
Answers
Answer:
9+71
Explanation:
9+71=80
Which list of characteristics describes organisms classified as bacteria?
A.Multicellular, prokaryotic, autotrophs or heterotrophs
B.Unicellular, eukaryotic, autotrophs or heterotrophs
C.Unicellular, prokaryotic, autotrophs or heterotrophs
D.Multicellular, eukaryotic, heterotrophs
Answers
Unicellular, prokaryotic, autotrophs or heterotrophs characteristics describes organisms classified as bacteria. So, the correct option is C.
What is Bacteria?Bacteria are defined as microscopic, single-celled organisms, which are present in millions, in every environment, both inside and outside other organisms, where some bacteria are harmful, but most are useful. They serve purposes that support many forms of life, both plant and animal, and they are used in industrial and medicinal processes.
Bacteria lack a membrane-bound nucleus and other internal structures, being ranked among unicellular life-forms called prokaryotes. They are unicellular organisms that obtain their nutrition from either autotrophic mode or heterotrophic mode.
Thus, unicellular, prokaryotic, autotrophs or heterotrophs characteristics describes organisms classified as bacteria. So, the correct option is C.
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Which particle grouping can slow the speed of electrons in an atom?
a lower number of neutrons in relation to protons
a higher number of neutrons in relation to protons
a higher number of protons in relation to electrons
a lower number of protons in relation to electrons
Answers
Explanation:
The answer is B.a higher number of neutrons in relation to protons. sorry if im wrong
How does heart failure affect the lungs?
Carbon dioxide enters the lungs.
Blood leaves the lungs.
Fluid can build up in the lungs.
Too much oxygen enters the lungs.
Answers
Answer:
A damaged heart can't pump blood as effectively from your lungs out to your body. Blood backs up, raising pressure in the veins inside your lungs. This pushes fluid into your air sacs. As liquid builds up, it gets harder to breathe.
Explanation:
Select from the drop-down to correctly complete the statement.
The
________
is the basic unit of structure and function in living things.
Answers
BC it's the basic unit!!
Which phrase describes convection?
transfer of heat between two objects that are touching
the process in which energy is emitted by one object, transmitted through space, and absorbed by another
transfer of heat by the actual movement of warmed matter
the process in which energy is released by molecules breaking apart
Answers
Answer:
The process in which energy is emitted by one object, transmitted through space, and absorbed by another.
Explanation:
So let's think about what convection means: movement in a liquid where the hotter part moves through the cooler part.
So by have the definition of the convection which one of the descriptions best fits the definition?
This probably doesn’t answer your question but I hope that it helps in some way
When the adaptive feature is enhanced by female choice, it is referred to as of what?
Answers
Answer:
S3xual selection as a consequence of female choice is easy to understand, provided we are willing to accept that female preferences exist. If females show a preference, then males with the preferred trait will leave greater numbers of offspring, and their trait values will tend to increase in frequency in the population.
Explanation: