To uncover Dimetrodon fossils, researchers must first research the dimetrodon's habitats, then go to modern-day replicas of those past ecosystems.
Dimetrodon fossils:Because its remains have been discovered in Texas and Oklahoma in the United States, Nova Scotia, Canada, and all throughout Europe, the Dimetrodon is likely to have been well suited to a broad range of environments.
The first fossil was discovered in the nineteenth century, and Edward Drinker Cope named it in 1878.
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The broadest group an organism can be classified into is its:
A. kingdom
B. domain
C. order
Answer:
B. Domain
Explanation:
In order from broadest to most specific:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Answer
Explanation:
The broadest category in the Linnaean system is the kingdom. Figure above shows the Animal Kingdom because Homo sapiens belongs to that kingdom. Other kingdoms include the Plant Kingdom, Fungus Kingdom, and Protist Kingdom. Kingdoms are divided, in turn, into phyla (phylum, singular)
Why can humans not see ultraviolet (UV) light?
Answer:
Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.
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I will award 60 points :)
When completing fruit fly crosses, what is counted at the end of the cross?
A.parent flies only
B.offspring and parent flies together
C.offspring flies only
Answer:
A complete fruit fly crossing requires that at the end of the crossing only offspring flies be counted
Explanation:
The fruit fly —Drosophila melanogaster— was one of the species used by Mendel to carry out his experiences related to genetics. Its rapid reproduction allowed the observation of hereditary characteristics —such as eye color and wing size— in the offspring.
Any experiment in genetics involving the crossing of fruit flies must ultimately take into account the offspring flies, their characteristics and phenotypic proportions.
Regarding the other options:
The characteristics and number of the parent flies are data already known before the crossing of fruit flies, so they do not represent a relevant data to be taken into account at the end of the crossing.
Which of the following processes produces the most ATP? a aerobic respiration b glycolysis c alcoholic fermentation d lactic acid fermentation
Answer:
b) glycolysis
Explanation:
Up to 36 ATP can be produced from one glucose molecule through aerobic reactions. Therefore, option (A) is correct.
What is aerobic respiration?Aerobic respiration supplies energy to fuel all cellular functions. The reactions result in the production of ATP, which can then be put to use to power other life-sustaining processes, such as growth, repair, and maintenance.
The release of energy that was stored in carbohydrates and lipids during photosynthesis and the subsequent availability of that energy to living organisms is the purpose of the series of enzyme-controlled events known as aerobic respiration.
Glycolysis, the Krebs cycle and respiratory electron transport contribute to the production of 36 ATP for every molecule of glucose that is used up during aerobic cell respiration.
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Where does a hydrogen bond form between 2 water molecules?
Answer:
Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.
Answer:
The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions. I hope this helps, I looked it up on google.
Explanation:
Which option describes a strong argument against the development of nuclear power? A nuclear power company is proposing a nuclear power plant near a quiet, small waterside town. The company is promoting this development by stating that nuclear power does not produce pollutants.
Answer:
The correct answer is B) The company is promoting this development by stating that nuclear power does not produce pollutants.
Explanation:
Whilst the process of power generation itself does not produce environmental pollutants like fossil fuels which features the emission of carbon monoxide when they are partially combusted, it does leave behind radioactive wastes, in the same way, combusted charcoal or wood leaves ash behind.
The challenge with radioactive wastes is that they are inimical to human health and can remain so for hundreds of centuries.
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What are cat and dog paws adapted for?
Answer:
Explanation:
The cat and dog paws are adapted for walking, running, climbing and digging. Both the animals can use their front paws and back paws for different needs or just as the situation ahead of the demands.
What type of transport is secondhand smoke
Help me!!!!
It's 7th grade science
Answer:
do not have a nucleus is the answer to the second one
small DNA floats freely in the membrane
when does seeds of plants for plants aerobic respiration please give answer in one sentence it is urgent i will mark brainliest
Answer: Seeds of plants only perform anaerobic respiration in extreme conditions. usually it's done when there is a lack of oxygen or no oxygen available at all.
What is the center of the atom called?
A Electron
B Neutron
C Nucleus
D Proton
The center of the atom is called the nucleus. The correct option is B.
How is the center of the atom called?The nucleus is the central region of an atom that contains most of its mass.
It is composed of protons and neutrons, which are collectively known as nucleons.
Protons have a positive charge, while neutrons have no charge. Together, protons and neutrons form the nucleus and are responsible for the stability of the atom. Surrounding the nucleus are electrons, which have a negative charge and orbit the nucleus in various energy levels or electron shells. The nucleus is highly dense and compact compared to the electron cloud surrounding it.
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Edxcel alevel biology past papers: some of the blood plasma of individuals who have survived infection wtih Ebola can be collected. This can be used in the treatment of individuals currentlty infected with Ebola. Explain why the blood plasma from survivors can be used to treat new cases of Ebola infection.
Answer:
This was the only treatment options adopted for the Ebola in 1995 in the Democratic Republic of Congo. The assumption was that immune response is generated by the virus in the WBC of the infected individuals. These response produce antibodies.
A total if 8 patients were transfused with these blood contained antibodies, but one of these died, the remaining 7 patients survived.
The antibodies were believed to have multiplied(produced b-cells) to neutralize the Ebola virus(antigens) and to ensure the survival of the patients
Explanation:
Part 4 - Natural Selection and Adaptations
3 of 113 of 11 Items
Item 3
A scientist studied a snail population that had a variation of shell colors. The number of each differently colored snail shell was recorded. The graph shows the data the scientist collected.
Over time, the rocks on which the snails lived became covered with dark-colored seaweed.
Which graph best represents the range of colors in the snail population that resulted from natural selection after the dark-colored seaweed covered the rocks?
There are different types of natural selection. When one of the extremes phenotypes is being favored, directional selection is going on. Meanwhile, balancing selection increases the proportion of intermediate phenotype.
-----------------------------
Since I do not have the graphs, I will set different potential scenarios
Let us assume the snails shell has three phenotypes: light brown, brown, and dark brown.Light brown and dark brown are the extreme phenotypesLet us also assume that seaweed is brown-colored.Scenario 1: More light brown individuals than brown and dark brown
Probably after the dark-colored seaweed covered the rocks, snails needed to camouflage to avoid predation. So they must have suffered a change in color from light brown to dark brown.
Since this new trait is beneficial, natural selection favored it.
So animals change from being light brown to dark brown.
The type of natural selection acting here is directional selection.
A population that is under the effects of directional selection, experiences an increase in the proportion of individuals expressing an extreme phenotype, different from the original one.
In these cases, interactions between living organisms and the environment modify in the same direction.
So, the most abundant individuals turned from being light brown to being dark brown.
After dark-colored seaweed covered the rocks, the number of dark brown individuals increased, and the light brown individuals decreased.
**********************
Scenario 2: More brown individuals than light brown and dark brown
This is the same situation as before. In this case, there were more brown individuals than snails expressing extreme phenotypes.
**********************
Scenario 3:
Now let us assume three different phenotypes: Yellow, brown and greyYellow and Grey are the extreme phenotypesSeaweed is brown-colored.Let us suppose that the original number of individuals was higher for one of the extreme traits, either yellow or grey.
After the seaweed-covered rocks, snails needed to camouflage to avoid predation, so they changed their color from yellow or grey to brown.
In this scenario, the intermediate phenotype is being favored by natural selection over the extreme phenotypes.
Balancing selection -or Stabilizing selection-, decreases the number of individuals expressing the extreme phenotype and favors individuals that exhibit medium-range characteristics. These are the ones that get to survive. Selective pressure is against h0m0zyg0tes.
In this case, the number of individuals expressing yellow or grey shells decreases, while individuals with brown color increase.
In the attached files you will find graphs for the three scenarios.
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Which is a resource that the National Park Service manages?
memorials
wildlife refuges
ecosystems
endangered species
Answer:
wildlife
Explanation:
ur welcome
What is crossing over in meiosis?
A carnivore that eats other carnivores is a...
Answer:
canibal or carnivore
Explanation:
if you meat. you're a carnivore
Help me!!! Please!!!!!
7th grade science
Answer:
Eukaryotic means "true nucleus" in Greek.
Have a nucleus.
Have membrane bound organelles.
Typically much larger than prokaryotic cells.
Multicellular, meaning more than one cell.
Explanation:
1. Hot coffee is stirred with a spoon, the spoon gets hot due to _______________. 2. A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of_______________. 3. A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to _______________.
Answer:
Explanation:
1.Hot coffee is stirred with a spoon, the spoon gets hot due to _______________.conduction
2.The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of_______________. Radiation
3. A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to _______________.Convection
hope this helps
Answer:
1) Conduction.
Heat transfers to a spoon as the heat energy is passed from the coffee to the spoon through conduction.
2) Radiation
The heat on the glass surface gets radiated into the chair which causes the chair to warm up.
3) Convection
The globs are hot and less dense, which rises to the top whereas the cold globs are more dense which causes it to settle down.
What are the products of photosynthesis?
C 3H 6O 3 + 6O 2
C 6H 12O 6 + 3O 2
C 6H 12O 6 + 3H 2O
C 6H 12O 6 + 6O 2
Answer:
C6H12O6 + 6O2
Explanation:
Carbon dioxide and water is used to make glucose (C6H12O6) and oxygen (6O2).
PLEASE HELP ME!!!
Which of these DNA sequences will produce the following m-RNA: AGC-UAC-ACU?
Hint: Remember in mRNA Thymine is replaced by Uracil.
A TCG-ATG-TGA
B TCG-TAC-ACT
C TCG-ACG-TGA
D AGC-TAC-ACT
Answer
A, because If you just match the base pairs in the question to A they would match up
The DNA sequences will produce the following m-RNA: AGC-UAC-ACU is TCG-ATG-TGA. The correct option is A.
What is a DNA sequence?Finding the nucleic acid sequence, or the order of nucleotides in DNA, is the process of DNA sequencing. The four bases—adenine, guanine, cytosine, and thymine—are arranged in this way using any technique or technology.
Adaptor molecules that can recognize and bind to the codon, as well as the amino acid at a different place on their surface, are necessary for the translation of mRNA into protein.
These adaptors are made up of a collection of tiny RNA molecules called transfer RNAs (tRNAs), each of which is made up of roughly 80 nucleotides.
Therefore, the correct option is A. TCG-ATG-TGA is the sequence of m-RNA: AGC-UAC-ACU.
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When a molecule passes between the phospholipids of the cell membrane it is
called?
Answer:
Water also can move freely across the cell membrane of all cells, either through protein channels or by slipping between the lipid tails of the membrane itself. Osmosis is the diffusion of water through a semipermeable membrane
A form of simple cittusion is Osmosis. In which direction will water flow in the process of Osmosis?
A. Water will flow from low concentration to higher concentration
B. Water will flow with the solutes, against the concentration gradient
C. Water will flow towards the solutes (.e. toward the higher salt concentration)
D. Water will flow away from the solutes, with the concentration gradient
Answer: D
Explanation:
osmosis, water always moves from an area of higher water concentration to one of lower concentration.
With the magnification of 10x through the lens of the eyepiece and the shortest objective, you get how much magnification?
100x
40x
400x
1000x
With magnification of 10x through the lens of the eyepiece and the medium length objective, you get how much magnification?
100x
40x
400x
1000x
(i just chose random answers so don’t mind that but I need HELP!!)
Answer:
10x to shortest is 40x
1x to medium is 100x
For each statement below, write true or false. ______ 5. Seismic waves change speed and direction when they encounter different materials.______ 6. P-waves travel through Earth's mantle.______ 7. S-waves do not travel through Earth's mantle.______ 8. Surface waves are the first to arrive at a seismic station.______ 9. P-waves are bent when they strike the core.______ 10. On seismograms, seismic waves recorded from more distant facilities are closer together than those recorded from facilities close to the epicenter.______ 11. S-waves do not enter the core because they cannot travel through solids.______ 12. Seismologists have reasoned that Earth's outer core must be liquid based on the disappearance of S-waves.______ 13. Studies of how waves reflect deep inside Earth show that Earth's inner core is solid.______ 14. The P-wave shadow zone does not receive direct P-waves.
Answer 1:
Seismic waves change speed and direction when they encounter different materials: True
Explanation:
When a rock suddenly breaks withing the earth or there is an explosion, it releases vibrations that flow across the earth as waves. These waves are called Seismic waves. The change in speed and direction of the waves as they encounter different materials is called refraction.
Answer 2:
P-waves travel through Earth's mantle: True
Explanation:
Another name for a P-wave is Primary Wave. They are a type of seismic wave and are known to be faster in the speed of travel than other types of seismic waves. They travel through the earth's mantle in compressional and extensional forms. They have the ability to alter the volume of rocks through which they travel.
Answer 3:
S-waves do not travel through Earth's mantle: False
Explanation:
Also known as secondary waves, or shear waves, S-waves can travel through the objects. They occur after an earthquake and have the ability to forcefully dislocate or shake in a back and forth manner, the land that is perpendicular to its direction of travel.
Answer 4
Surface waves are the first to arrive at a seismic station: False
Explanation:
The first wave to arrive at a Seismographic station (which is an observatory for recording, and processing shockwaves, oscillations of the earth generated by earthquakes and other deep earth movements) is the Primary Wave or P-Wave.
Answer 5:
P-waves are bent when they strike the core: True
Explanation
The core of the earth comprises predominantly of Iron and Nickel. Because of the strength and structure of the core, the P-waves can still pass through but have their speed slowed very significantly and refracted.
Answer 6:
On seismograms, seismic waves recorded from more distant facilities are closer together than those recorded from facilities close to the epicenter.: False
Explanation
On seismograms, seismic waves recorded from more distant facilities are father than those recorded from facilities close to the epicenter.
P-waves are known to be faster than S-waves. The difference between the speed in both waves are known constants. Thus the farther the distance of the waves from the point of an earthquake or epicenter, the farther apart they are.
Answer 7:
S-waves do not enter the core because they cannot travel through solids: False
Answer 8:
Seismologists have reasoned that Earth's outer core must be liquid based on the disappearance of S-waves. True
Answer 9:
Studies of how waves reflect deep inside Earth show that Earth's inner core is solid. True
Answer 10:
The P-wave shadow zone does not receive direct P-waves: True
The following statements shows if they are true or false properties of the S and P waves
5. Seismic waves change speed and direction when they encounter different materials is a True statement
6. P-waves travel through Earth's mantle is a True statement
7.S-waves do not travel through Earth's mantle is a False statement
8. Surface waves are the first to arrive at a seismic station is a True statement.
9.P-waves are bent when they strike the core is a true statement
10. On seismograms, seismic waves recorded from more distant facilities are closer together than those recorded from facilities close to the epicenter is a False statement
11.S-waves do not enter the core because they cannot travel through solids is a False statement
12.Seismologists have reasoned that Earth's outer core must be liquid based on the disappearance of S-waves is a True statement
13.Studies of how waves reflect deep inside Earth show that Earth's inner core is solid is a True statement
14.The P-wave shadow zone does not receive direct P-waves is a True statement
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Which describes a species?
A. organisms that live in the same area
B. organisms that breed and produce fertile offspring
C. organisms that look similar
Answer:
B
Explanation:
organisms that breed and produce fertile offspring
Answer:
B. organisms that breed and produce fertile offspring
Explanation:
Verified correct with test results.
identify the biomes on the map and then answer the questions that follow which biome has the warmest temperatures and the most rainfall
Answer:
tropical rain forest
Explanation:
it has ran in the name
Which of the following describes a second class lever
1. The fulcrum is located between the effort force and the load.
2. The effort force is located between the fulcrum and the load force.
3. The load force is located between the effort force and the fulcrum.
Answer:
I think the answer might be number 2
In the second class lever, the load is between the effort force and the fulcrum. The correct option is 3.
What is a fulcrum?The term can refer to the juncture or assistance on which a lever rotates, as well as the focal point of a critical activity or situation.
The term "fulcrum point" in zoology refers to an anatomical structure that serves as point of support.
The load in second-class levers lies among both the effort and the fulcrum. A wheelbarrow is a prominent example, where the effort moves a great distances to lift a substantial load, with the axle and wheel acting as the fulcrum.
In a second-class lever, the effort is distributed over a large area in order to raise the load a short distance.
Thus, the correct option is 3.
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what is the difference in potential between two charges called
Answer:
volt
Explanation:
The potential difference is expressed in volt (V). The potential difference between two points is said to be 1 volt if the work is done in moving 1-coulomb charge from one point to other is 1 joule. 1 volt= 1 joule/ 1 coulomb Unit for measuring the potential difference is volt and instrument used for measuring potential difference is a voltmeter.
Answer:
Its potential is taken as zero potential. Thus the positively charged conductor has more positive potential than the earth. A negatively charged conductor has negative potential less than that of the earth. The electric potential difference between two points in an electric circuit is the work done in moving a unit positive charge from one point to the other.
Nitrogen fixation is done mostly by....
Answer:
Nitrogen fixation occurs between some termites and fungi. It occurs naturally in the air by means of NO x production by lightning. All biological nitrogen fixation is effected by enzymes called nitrogenases. These enzymes contain iron, often with a second metal, usually molybdenum but sometimes vanadium.
Explanation:
Answer:
Rhizobium and blue green algae
⚠️⚠️⚠️ i will mark brainliest identify one level above and below alveoli, and list the levels of organisation in humans
Explanation:
A cell is the smallest independently functioning unit of a living organism. Even bacteria, which are extremely small, independently-living organisms, have a cellular structure. Each bacterium is a single cell. All living structures of human anatomy contain cells, and almost all functions of human.
