Answer:
Social Darwinism and Evolution
Explanation:
This are the themes of the 1st chapter of the War of the Worlds by H. G. Wells.
Combustion is another word for?
A.Transportation
B.Respiration
C.Burning
D.Fossil Fuels
Explain the difference between homology and analogy using a wolf, a whale, and a shark:
Answer:
Explanation:
Analogy refers to traits or structures like body shapes, fins which evolved independently that are similar in organisms that are not related by the same common ancestor. For example dolphins and shark have similar body structures like fins but they are unrelated. Whale and shark too. Whales are mammals, sharks are fish.
Homology refers to traits or structures
posses by organisms that are related by common ancestors. Example wolf and whales.....they are both mammals.
Is Earth always the same distance from the
Sun? Explain.
Answer:
No
Explanation:
The earth travels in an ellipse, an ellipse is a flattened circle, and the sun is closer to one end of that ellipse and far in another end. That said the Earth is not the same distance as the sun
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Which characteristics are common to most salamanders? Check all that apply.
They undergo internal fertilization.
They lose their tails as adults.
They have wet, moist skin.
They have long, strong legs.
They begin life with gills.
Answer:
c, d, and a
Explanation:
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Answer:
They undergo internal fertilization; they have wet, moist skin; they begin life with gills
Explanation:
Panda populations are adapted to live in which kind of habitat?
O cherry forests
O ginkgo forests
bamboo forests
rain forest
Answer:
bamboo forests
Explanation:
Since bamboo forest is the most suitable habitat for a panda to spend their life. They need cool, wet bamboo forests for their home.
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Answer:
Its (C) (bamboo forests)
Explanation:
Hope this helps
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5. the kingdom of prokaryotic unicellular organisms known for living in
environments in which all other organisms are unable to survive in *
Eubacteria
Archaea
Fungi
prokaryote
Answer:
The answer is in the explanation bellow
Explanation:
Archaea. The Archaea Kingdom is a relatively new prokaryotic kingdom, and its organisms differ from the eubacteria because of the environment in which they live.
please help 20 points if so.
Answer: A. Codominance is a blending of the two traits, and incomplete dominance expresses both traits equally.
Explanation: Good luck! :D
Answer:
A is correct
Explanation:
Plant cells have some organelles that animal cells do not. Check all organelles that ONLY plant cells have.
A
chloroplast
B
nucleus
C
cell membrane
D
cytoplasm
E
cell wall
F
mitochondria
Answer: Plant cells only have chloroplast and a cell wall. Which is A and E.
What type of evolutionary mechanism did this story show?
Allele frequencies in a population may change due to four fundamental forces of evolution: Natural Selection, Genetic Drift, Mutations and Gene Flow. Mutations are the ultimate source of new alleles in a gene pool. Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift.
This story showed an example of convergent evolution. Convergent evolution is the process whereby organisms that are not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.
What is in the story ?In this story, the two species of birds, the crows and the jays, evolved to look similar as a result of living in the same environment and competing for the same resources.
The two species evolved to look similar in order to blend in with their environment, making it difficult for predators to distinguish them from one another. This allowed them to survive and thrive in the same environment.
Therefore, This example of convergent evolution is a perfect example of how species can evolve to look similar in order to survive in the same environment. It also shows how competition for resources can drive species to evolve similar traits in order to survive.
Learn more about convergent evolution at:
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plz help me with this problem need help filling this in.
How could an asteroid impact have led to the extinction of dinosaurs?
Answer:
The asteroid crashed into the earth and made some water bodies violent
it is said that the asteroid was super huge and was capable of causing volcanoes, tsunamis, etc which took place all over the earth and extincted dinosours. But it is a little surprising that crocodiles who were also found at that time survived all this
Answer:
Probably the asteroid caused natural calamities
Many freshwater plants have adapted to low carbon and light levels by adapting what feature?
Group of answer choices
Carnivorous plants
No need for carbon dioxide
Camouflage
Floating leaves
Answer:
The most common adaptation is the presence of lightweight internal packing cells, aerenchyma, but floating leaves and finely dissected leaves are also common. Aquatic plants can only grow in water or in soil that is frequently saturated with water. They are therefore a common component of wetlands.
Which of the following organisms lived during the Paleozoic Era?
A) dinosaurs
B) flowering plants
C) grasses
D) trilobites
D. Trilobites
Trilobites made their entrance onto the Earth's stage during the late Cambrian Period. This is the first and oldest division of the Paleozoic Era.
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what are the different cellular organelles
Answer:
Plasma membrane, nucleus, ribosomes, mitochondria
Explanation:
when a plant is in area of light, which of the following will happen?
Answer:
Your answer is B
Explanation:
Plants need light in order to survive. Natural sunlight allows plants to grow leaves, flower, produce chlorophyll, and more.
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Also here's the answer to your other question. I linked a screenshot of the problem :)
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Answer:
B. The plant will slowly die because it cannot photosynthesize.
Explanation:
Because when they don't have light, they can't get the nutrients from the light they need to survive.
Measurement of overall change in position.
Answer:
Velocity (Rate of change of position)Velocity is a vector quantity that is defined as the rate of change of position of an object with respect to a frame of reference with respect to time. Velocity is equivalent to the speed of the object along with the direction of motion.Hope this is fine for youAnswer:Displacement
Explanation:Displacement is the change in position of an object. The SI unit for displacement is the meter. Displacement has direction as well as magnitude. Distance traveled is the total length of the path traveled between two positions.
What are the effects of enzymes on chemical reactions? Select all of the answers that apply.
A. Enzymes increase the heat of reaction.
B. Enzymes decrease the activation energy.
C. Enzymes increase the rate of the reaction.
D. Enzymes change the ideal pH for a reaction to proceed.
E. Enzymes provide a site where reactants can be brought together.
Multiple Choice
Which of the following is typical of aerobic respiration?
decreases a plant’s weight
contains two stages, glycolysis and fermentation
produces methane as a byproduct
produces little energy
Answer:
decreases a plant’s weight
Explanation:
Aerobic respiration is a process of respiration in which oxygen is required and the byproducts of aerobic respiration are carbon dioxide, water and energy.
Plants undergo aerobic respiration and it is a catabolic process in which complex compounds in plants turns into simpler compounds. This process reduces the dry weight of the plants.
Glycolysis is the first step in both aerobic and anaerobic respiration so it is not a typical aerobic respiration.
Hence, the correct answer is "decreases a plant’s weight".
Which of the following statements are true regarding cellular reproduction? Select all that apply.
When an organism grows, cellular reproduction creates new cells.
Organisms reproduce, so new cells are needed.
If cells become damaged, cellular reproduction can repair damaged cells.
Cellular reproduction helps organisms acquire water better, as there are more cells present.
Cellular reproduction is the exchange of homologous chromosome segments.
Answer: Replacing dead cells
This process removes hunks of DNA and replaces them with new ones to help people
Answer:
Gene editing
Explanation:
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At which latitudes do we find Earth's major deserts?
Answer: Around 30-50 degrees of latitude. This is roughly right above and below the equator.
More than 90% of measles infections occurs in children under ____ years old.
Answer: More than 90% of measles infections occurs in children under 15 years old.
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Story #1
Once upon a time, there lived a population of mountain people whose members all had wings but different
types-either bat wings or bird wings. 40% of the population had bat wings and 60% of the population had bird
wings. One day, a storm hit that lasted for several weeks. Those with bat wings were able to fly around and
find food because their wings were water resistant, while those with bird wings were not able to get food
because their feathers were not water resistant and got soaked through. Many of the bird-winged people starved
and did not survive, so their alleles decreased in the gene pool, lowering the frequency of the bird wings in
future generations. Over many generations, the environment had more and more long periods of rain and the
genetic makeup of the population shifted to 10% with bird wings and 90% with bat wings.
What is the trait being described?
What are the variations that exist in this population?
3. How did the event lead to the change in allele frequency?
Alleles?
4. What type of evolutionary mechanism did this story show?
5. Was there an adaptation in this story? If so, identify it.
6. Did the change make the population more or less similar to other populations?
7. Would this increase or decrease reproductive isolation?
Increase or decrease speciation?
8. Did the new population change for the better, worse, or have no effect? Why?
Answer:
The trait being described is the ability to fly in rainy season.
Explanation:
The trait being described is the ability to fly in rainy season. The people with bat wings and people with bird wings are present in the population. The event lead to the change in allele frequency because the population of people with bird wings die due to starvation. Yes, the bat wings were adapted to that environment so they are able to survive. The change make the population less similar to other populations because population of people with bat wings increases as compared to other population. Yes, the new population change for the better of the ecosystem because the population is able to controls the population of other species in the ecosystem.
Does the distance from earth to sun determine the seasons? please explain
Answer:
nope
Explanation:
Contrary to popular belief, the seasons are not determined by the earth's distance from the sun. The seasons are actually caused by the earth's tilted axis. Because the axis is tilted, when the Northern Hemisphere is tilted towards the sun, it's warm.
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Explain why a high ratio of surface area to volume benefits a cell.
Answer:
smaller single celled organisms have a high surface area to volume ratio cause surface area to the volume ratio smaller as the cell grows larger. if a sell grow beyond the limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume
Some fungi and insects benefit each other; the fungi protects the insects from predators and the insects spread spores for the fungi. This is an example of a _______ relationship.
Some fungi and insects benefit each other; the fungi protect the insects from predators and the insects spread spores for the fungi. This is an example of a mutualistic relationship.
What is a Mutualistic relationship?A mutualistic relationship may be defined as a +,+ type of interaction in which both species benefit from the existence of each other. Example includes lichens, mycorrhizae association, coral reefs, etc.
In the question, the Fungi protect the insects from predators and benefit the insects to get survivability, while in return insects spread spores for the fungi and assist them in their reproduction process.
Therefore, both insects and fungi undergo a mutualistic type of relationship through which both species benefit from the existence of each other.
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whats the structure of pons
Answer:
A pons structure is a bulbous shape and has two main components - the basis pontis (aka basal/ventral part) and the pontine tegmentum (aka dorsal part). In Psychology the pons is the structure of the brain the acts like the "bridge"(Latin ) for the midbrain and medulla.
Explanation:
Hope that helps
DNA is found in every cell of an organisms body.
This is true
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What are some of the WORST things about coal fuel?
help me please help me
Answer:
Explanation:
The burning of fossil fuels releases greenhouse gases into the atmosphere, increasing levels of CO2 and other gasses, trapping heat, and contributing to global climate change. Coal combustion releases the greenhouse gases carbon dioxide (CO2) and nitrous oxide (N2O) during combustion. The major disadvantage of coal is its negative impact on the environment. Coal-burning energy plants are a major source of air pollution and greenhouse gas emissions. In addition to carbon monoxide and heavy metals like mercury, the use of coal releases sulfur dioxide, a harmful substance linked to acid rain.
Answer:
Air pollution
Can impact health of citizens like asthma, breathing difficulties, etc.
Can lead to death if not treated or fixed.
Releases greenhouse gases into the atmosphere.
Contributes to global climate change.
How easy was it to sort finches by song?