Answer:
Nerve Cells
Explanation:
Which statements about geocentric model and heliocentric model are true? Select the two correct answers.
A. They both are models of the solar system.
B. They both show the position of Earth relative to the Sun.
C. They both show Earth at the center of the solar system.
D. They both show the Sun at the center of the solar system.
Answer:
A and B
Explanation:
the other 2 answers are just obviously wrong
They are both models of the solar system and they both show the position of the Earth relative to the sun. So the correct option is A and B.
What are heliocentric and geocentric models?A cosmological concept known as heliocentrism assumes that the Sun is located at or close to the center of the solar system or the universe, with the Earth and other planets revolving around it. The Greek philosophers Philolaus and Hicetas hypothesized independently that the Earth was a rotating sphere that rotated daily around a mysterious "central fire" that controlled the cosmos in the fifth century BC.
Two hundred years later, Aristarchus of Samos expanded on this concept by stating that the Sun, together with the Earth and other planets, revolved around a certain central object.
Any solar system (or universe) structure hypothesis that places Earth at the center of the cosmos is referred to as a geocentric model. Ptolemy of Alexandria's geocentric model was the most advanced (2nd century CE). It was widely believed until the 16th century when heliocentric theories like Nicolaus Copernicus took their place.
Therefore the correct options are A and B.
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Scientists hypothesize that cabbage, broccoli , cauliflower, and radishes developed along a common evolutionary pathway. Which observation would best support this hypothesis?
Answer:
its D
Explanation:
On what structures are genes located and what is their primary function?
Explanation:
Genes are located on chromosomes, which are large pieces of DNA contained in a eukaryotic cell's nucleus.
Pls help me out here!!!
In two or more complete sentences compare transformation and transfection gene therapies.
Answer:
The main difference between transfection and transformation is that the transfection refers to the introduction of foreign DNA. Into mammalian cells while the transformation refers to the introduction of foreign DNA into bacterial, yeast or plant cells.
Explanation:
Hope this helps have a nice day!
HELP!!! 50PTS!!! AND WILL BE MARKED BRAINLIEST!!!
Which of the following best describes evidence from comparative biochemistry that supports the theory of evolution? (4 points)
Different mechanisms of reproduction exist within the same species.
Different metabolic pathways exist within the same species.
Different species have the same genetic code.
Different species have the same number of chromosomes.
Answer:
1. Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals.
2. Anabolism & Catabolism
3. Nearly everybody has the same genetic code. Although the sequences of bases in their DNA (and thus in the messenger RNA that is made from their DNA) vary between species and even between individuals within a species, almost all of them use the same code.
4.Yes, two or more species can have the same number of chromosomes. ... There's much more to differentiating between species than number of chromosomes. For one example, there are proteins present on eggs which 'match up' with proteins on sperm, and these are very specific.
Hope this helps!!
please help its timed
Hello, jamesundercover06.
The first box, starting on the left, I believe, should be H2O. The second box, the one over the arrow, should be sunlight. The third box, right after the arrow, should be C6H12O6. The final box, then, should be O2. I'm pretty sure that this is right, but if it is incorrect in any way let me know and I will do my best to give you the correct answer.
PS. Brainliest would be appreciated. :)
Giving brainliest" need help
What do Dodo Birds, Passenger Pigeons, Samson Pearly Muscles, and Badlands Bighorn Sheep have in common?
Answer:
they are all extinct creatures
Explanation:
Please help!
10 points, it’s quick!
I will appreciate it
Question is:
Does friction affect the motion of an object and why?
MY MOM GONNA WOOP ME I NEED RIGHT ANSWER
Hello, imjustAKID23.
The answer here should be “high diversity”. High diversity allows an ecosystem to be more flexible - thus allowing it to work better in the face of stress.
Does that answer your question?
41 points and BRAINIEST 11. A species of rodent can either have brown fur or white fur. Brown fur is recessive and white fur is dominant. Which of the following would cause the rodent population to not be in Hardy-Weinberg Equilibrium? (2 points) Situation In Hardy-Weinberg Equilibrium? Brown fur allows rodents to hide more easily White fur attracts mates better. Rodents cannot leave or enter their habitat The rodents mate randomly, The rodents mutate a new allele for gray hair
( I don't understand what to write in the box thing)
Answer:
i think yes in 3 4 5 not in 1 2. It's asking if the genetic situation applies to the hardy equillibrium.
Explanation:
Which series is arranged in order from largest to smallest in size?
Bio homework help
pedigrees
Answer:Hey, wanna pair our account on Brainly so we can share the perks? https://brainly.com/invite/45db42e82fd6d420d84f4b6d65b517cc?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parent yurppp
Which of the following statements is correct? Which of the following statements is correct? The sperm and egg have twice as many chromosomes as the parental cells. Geneticists use the terms "son" and "daughter" to distinguish between cells resulting from cell division. Meiosis results in gametes that are used in reproduction. Asexual reproduction requires the production of eggs and sperm.
Answer:
Meiosis results in gametes that are used in reproduction.
Explanation:
The sperm and egg have twice as many chromosomes as the parental cells. INCORRECT. Sperm and eggs are the gametes, and they have only half the number of chromosomes that can be found in the germ cells or somatic cells. Gametes are haploid, n. Geneticists use the terms "son" and "daughter" to distinguish between cells resulting from cell division. INCORRECT. The term "daughter cells" is used to refer to the products of cell division. "son cells" is not used at all. Meiosis results in gametes that are used in reproduction. CORRECT. Germ cells are the reproductive, diploid cells produced by testes and ovaries. After meiosis, each germ cell produces four haploid cells that are the gametes. Gametes´ destiny is to merge during fecundation, creating a new diploid cell called the zygote. The zygote is a diploid cell that suffers successive mitosis to form the new organism.Asexual reproduction requires the production of eggs and sperm. INCORRECT. Only sexual reproduction needs gametes. Cells that reproduce asexually duplicate their genetic material and cytoplasmic content and then divide, producing a new cell identical to its parental. This is the case of binary fission, for example.explain the effects of the production of large amounts of antidiuretic hormone in the human body
Answer:
Antiuretic hormone is a hormone that performs functions related to the reabsorption of water molecules through of the kidneys and with the decrease in the amount of urine accumulated in the body. An excess of antiuretic hormone conditions a retention of water and the elimination of sodium in the urine
Explanation:
Antidiuretic hormone (ADH) participates in regulating the water balance in the body, controlling the amount of water reabsorbed by the kidneys after they have filtered waste from the blood. Excess ADH leads to increased water reabsorption in the collecting duct, with increased urinary osmolarity. If there is too much ADH, water is retained, blood volume increases and affect can lead to nausea, headaches, disorientation, lethargy and hyponatraemia (decreased sodium concentration in the blood).
An organism is identified as having the characteristics of the genus "canis" while it's species is determined to be "lupus". Which answer choice would properly demonstrate the organism's scientific name using binomial nomenclature? A. canis lupus
B. Canis Lupus
C. Lupus canis
D. Canis lupus
E. lupus canis
Answer:
Explanation:
b I’m pretty sure
Answer:
The answer is D.
Explanation:
The Genus is capitalized whereas the species is not.
fill in the planks plz help am givng brainliest
HELP!!!!!! 50PTS!!!!
Which of the following is a result of artificial selection? (4 points)
Animals with beneficial traits in a given environment survive.
Beneficial traits are selected based on the environment.
Individuals with beneficial adaptations reproduce more and pass traits on to offspring.
Crops and livestock animals bear little resemblance to wild ancestors.
Answer:
Beneficial traits are selected based on the environment.Explanation:
The Bloodhound dog breed was bred in the middle ages for an excellent sense of smell to be used for hunting.
Question 10 of 29
Which of the following contains kinetic energy?
A. Wind
B. Moonbeams
C. Sunlight
D. Vegetables
Answer:
Both wind and sunlight have Kinetic Energy
Explanation:
If you can only choose one answer, the most obvious one would be wind
PLEASE HELP ASAP
Which of the following would provide the best evidence to support the claim that acid rain has a long-term effect on the stability of ecosystems?
Extinction of aquatic and terrestrial organisms would occur, decreasing species diversity and ecosystem stability.
The mutation rate would increase and new species would evolve, destabilizing ecosystems.
The pH level would increase and become intolerable to organisms, leading to decreased species diversity and ecosystem stability.
Habitat loss would occur, forcing organisms to adapt to new surroundings until the ecosystem eventually stabilized.
Answer:
A
Explanation:
Extinction of aquatic and terrestrial organisms would occur, decreasing species diversity and ecosystem stability.
During photosynthesis in plants, what is the source of the carbon in the glucose sugar molecule
(C6H12O6)?
Carbon dioxide in the air
Carbon monoxide in the air
Carbon particles in the soil
Carbon particles in water
Answer:
Carbon in the air
Explanation:
The worm population will . . .
Answer:
Die in a few years
Explanation:
What? I’m being realistic!
take over the earth in a few days
Mutations within a DNA sequence are natural processes that--
A are usually good.
B are usually bad.
C usually cause cancer.
D produce genetic diversity.
Answer:
D
Explanation:
Mutations can cause other species to occur, like polar bears. They also cause different genetic traits within a species like different hair color.
Answer:
d
Explanation:
it produces genetic diversity
NEED HELP
In a population of cats, a gene that controls an observable trait has several different alleles. Which of the following best explains how genetic drift might affect the genetic makeup of this cat population over time?
It is a directed process, so it might cause an increase in the gene pool's allele frequencies.
It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance.
It is a random process, so it might cause a population to reach genetic equilibrium.
It is a selective process, so it might cause an increase in the population's genetic variation.
Answer: It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance brainliest?
Explanation:
Describ how animals receive their energy indirectly from plants?
Answer:
PLANTS are 'PRODUCERS' of energy. They use SUNLIGHT + water, minerals and carbon dioxide to make energy. ... To get energy animals need to eat. They get their energy INDIRECTLY from the from the sun by eating other organisms.
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The brain sends signals to the rest of the body so that our bodies do what is needed to survive. Explain what the brain tells your body to do if you touch a hot object with your hand.
A) Move your hand away
B) Pump less blood to your hand
C) Slow down your heart rate
Answer:
A
Explanation: I got it correct on a quiz I did that had this question
Move your hand away. Therefore, option (C) is correct.
What is reflex arc?A reflex arc is a neural pathway that mediates a reflex action. It is a rapid and automatic response to a specific stimulus that does not require conscious thought or decision-making from the brain. When a sensory receptor in the body, such as the skin or muscles, is stimulated, a nerve impulse is transmitted to the spinal cord, where it is processed by an interneuron.
The interneuron then sends a signal through a motor neuron to the effector, such as a muscle, causing a rapid and involuntary response, such as pulling your hand away from a hot stove. This entire process occurs without conscious control from the brain, allowing for quick and protective responses to potentially harmful stimuli.
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6. Which hamsters are the parents of the mystery hamster? Include evidence to prove that they are the correct parents. plzz give me the anser ill give the brainliest
Answer:
Test 3
Explanation:
Im working on the same assignment with the same question for online school and when it asked me that question i clicked test 3 and it said correct :)
name some component of the blood that transports lactic acid
Answer:
plasma
Explanation:
the plasma circulates dissolved nutrients such as glucose, amino acids and fatty acids.
HELPP, 30 PTS!
Use the 5 bases provided to show how nitrogenous bases are sequenced or matched in both DNA and RNA
ADENINE, THYMINE, URACIL, GUANINE, and CYTOSINE
Answer:
Adenine sorry if I am wrong
Two interacting systems involved in plant transport are shown here. Which statement best describes the function of xylem and phloem in transporting substances throughout the plant?
Answer:
C. Xylem transport water and nutrients from the soil to the leaves while phloem transport carbohydrates from the leaves to the rest of the plant.
Explanation:
How do solar thermal generators work?
A)
They block high-angle sunlight but allow the penetration of low-angle sunlight.
B)
They use electric pumps to circulate air, water,and other fluids to places where heat is stored and then pumped to where energy is used.
C)
They use flat glass-covered plates over a black background which takes in solar radation and emits heat.
D)
They use solar cells to convert sunlight directly into electricity.
E)
They use sunlight to boil water and run steam-driven systems.
Answer:
D
Explanation: Best Choice
Answer:
E.
Explanation:
Solar thermal power/electric generation systems collect and concentrate sunlight to produce the high temperature heat needed to generate electricity. ... The steam is converted into mechanical energy in a turbine, which powers a generator to produce electricity.
