In the case of Rapid eye movement (REM) sleep - The muscles are paralyzed, and body temperature, blood pressure, and heart rate and respiratory rate increase.
Hence, statement C is correct.
Rapid eye movement Sleep is a distinct phase of sleep in mammals and birds, characterized by random rapid eye movement, low muscle tone throughout the body, and the sleeper's proclivity to dream vividly.Rapid eye movement (REM) sleep behavior disorder is a sleep disorder in which you physically act out vivid, often unpleasant dreams during REM sleep with vocal sounds and sudden, often violent arm and leg movements — also known as dream-enacting behavior.To know more about Rapid eye movement (REM) sleep here
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How does overexploitation of oceans illustrate the tragedy of the commons ?
Answer: most of the world's ocean area also lies outside the legal jurisdiction of any country, thus, much of it is an open-access resource, subject to overexploitation. mark brainliest
Explanation:
What is ecological succession? Choose the BEST answer.
A. how animals evolve
B. how environments evolve
C. how plants evolve
Answer:
B. how environments evolve
Explanation:
Hope this helps
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IT IS FOR BIOLOGY!!!
Answer:
i thick is a garlic and ramps
Explanation:
Ramps are the name of the American wild garlic (Allium tricoccum) and can be used in the same way as our native wild garlic
Answer:
a. garlic and ramps
Explanation:
they have the genus name:allium
what is the difference between an organism and a population in an ecosystem?
Answer:
Explanation:
An organism refers to a single individual living in an ecosystem and population refers to a group of organisms living together in the same area.
Answer: A population in an ecosystem is the amount of species living in that ecosystem, while an organism is a single living entity.
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Organisms are classified into kingdoms primarily on the basis of
A)behavior
B)structure
C)size
D)habitat
Answer:
B Structure :)
Explanation:
What are some of the causes that disrupt the natural balance of the ecosystem?
ridding the soil of decomposers
removing predators by hunting
overpopulation of predators
breeding hybrid plants
removing prey by transplantation
Answer:
All of them would cause disruptions in the natural balance of the ecosystem.
Explanation:
If you can only choose one. I would probably choose removing predators by hunting or the overpopulation of predators.
Answer:
I believe that every answer except for the fourth one would disrupt the ecosystem.
Explanation:
How is it that the order of colors of the rainbow is always the same
(ROYGBIV)
Answer:
The color of order
The pattern of light is always the same in a primary rainbow because each color is reflected at its own particular wavelength. In a primary rainbow, the colors will be in the order of red, orange, yellow, green, blue, indigo and violet.
Explanation:
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:)
Answer:
Red, Orange, Yellow, Green, Blue, Indigo and Violet
Field mustard is an annual plant that grows wild in many regions of the world. It has small yellow flowers and is pollinated by insects. Field mustard has to flower and produce seeds to give rise to the next generation. Southern California experienced a severe drought between 2000 and 2004. Plants that flowered earlier reproduced. Those that flowered later died without producing seeds. This led to more early-flowering field mustard plants. This change in population characteristics took only a few generations.
How do you think scientists discovered that the flowering time of the field mustard had changed?
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Answer:
Mustard adapts quickly to climate fluctuations
Explanation:
Instead, the post-drought seeds gave rise to plants that flowered earlier than those of the pre-drought seeds, even in the greenhouse, confirming that the shift in flowering time really was due to an underlying change in the plants' genetic program.
The Mid-Atlantic Ridge is a great example of continental-continental divergent boundary since it shows how the American continents are slowing moving
away from African and Eurasian continents.
A. True
B. False
how does the thyroid gland help maintain and regulate calcium?
Answer:
When the calcium level is high in the bloodstream, the thyroid gland releases calcitonin. Calcitonin slows down the activity of the osteoclasts found in bone. This decreases blood calcium levels. When calcium levels decrease, this stimulates the parathyroid gland to release parathyroid hormone.
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A) In what type of ecosystem do turtles lay their eggs?
B) some actions of the human being, such as the excessive construction of houses, shops and streets close to the beaches, harm the laying of turtle eggs. Establish a relationship between these actions and the location of the ecosystem where they lay eggs.
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Which of the following is correct about mutations and genetic variation?
It must be present in a population before natural selection can act upon the population.
It arises in response to changes in the environment.
It tends to be reduced when diploid organisms produce gametes and reproduce.
It is created by the direct action of natural selection.
Answer:
a. It must be present in a population before natural selection can act upon the population.
Explanation:
Genetic variation is the difference in the DNA sequences in individuals, which makes a member of a species different from another member of the same species. It can also be said to be the differences in the genetic make up of individuals of a species population.
Genetic variation must be present in a species population before evolutionary mechanisms, such as evolution, can occur. Genetic variation must be present in a population of a species before natural selection can act upon the population, as natural selection can only increase or reduce the frequency of alleles present in the species population already.
Genetic variation in a population of species is important for natural selection to occur.
The true statement is that; "genetic mutation must exist before natural selection can act on it."
What is natural selection?The term natural selection refers to the fact that traits that are more favorable to enable an organism to survive and reproduce tend to persist in the population.
These traits usually occur due to genetic mutations. In a population, genetic mutation must exist before natural selection can act on it.
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Answer could be
A.)3/16
B.)9/16
C.)11/16
Or D.)13/16
Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?
PLESE HURRAHHY IM TIMED :(
carbon dioxide
fluorinated gas
nitrous oxide
methane
Answer:
fluorinated gas
Explanation:
Which greenhouse gas is produced by commercial refrigeration and air conditioning systems? carbon dioxide fluorinated gas nitrous oxide methane
✓ fluorinated gas
How does the process of meiosis reduce the number of chromosomes in reproductive cells?
Why do flowers have such colorful petals? *
A. So you can see them at night
B. To trap insects
C. To scare away predators
D. To attract animals for pollination
E. Petals don't have color
Why does the grass look green under sunlight and black under the moonlight?
Answer: The original colour of grass is green because of photosynthesis. But in terms of reflection, it looks green because the sunlight reflects the green colour off the grass, so we see it as green.
Explanation: Sun appears white, but it is made up of the colors: red, orange, yellow, green, blue, indigo, and violet. When white light hits an object, it absorbs some colors and reflect the others. Grass appears green because it absorbs all the wavelengths except green. Green is reflected off the grass, so we see grass as green. The moon doesn’t have light of its own, the moon lights up because of the sun. So at night, as the light of the sun doesn't reach the grass directly because of the moon, it doesnt reflect any color off the grass, and so our eyes detect grass as black.
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.Realiza un texto informativo, siguiendo su estructura y sus características. Con su respectiva ilustración Ilustra y describe un cuento inventado, siguiendo su estructura y sus elementos. De color rojo subraya el título del cuento. De color verde subraya los personajes principales. De color amarillo subraya los personajes secundario De color azul los personaje terciaros (si es que tiene) De color morado subraye el tiempo y el espacio.
At which of the following locations in the stream was there most likely a discharge of excess organic
matter into the water?
Answer:
D
Explanation:
Answer:
its actually B not D
Explanation:
How do you call the center point on the surface of an earthquake?
Answer:
Hypocenter or epicenter
(two different things)
Explanation:
The hypocenter is the point within the earth where an earthquake rupture starts.
The epicenter is the point directly above the hypocenter and is on the surface of the Earth.
What explains two green pea pod plants producing 25% plants with yellow
pea pods? (green is dominant, yellow is recessive)
Answer:
two heterozygous pairs
Explanation:
the genotype products of Gy and Gy would be GG, Gy, Gy, and yy, making a 25% chance for yellow
The heterozygous pairs are those that have different alleles in the two chromosomes a and a re a set of the dipole individual.
The 2 green pea pod plants produce 25% of the yellow sea pods where the green is the dominate and yellow is recessive. As the chromosome is inherited in both the parent the gene is same. Thus the dominant green color and yellow pod plants will have a mix of genes.Learn more about the green pea pod plants producing 25% plants.
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why do birds have short necks? pls help :/
Most diving birds have (relatively) long necks and shorts legs, although their necks aren't as long as say herons, storks or egrets. Take the common loon for instance. Their necks can be up to half as long as their bodies but their legs are so short and set so far back that they are very awkward on land.
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Answer:
c. 1 carbon, 4 hydrogen, and 2 oxygen
Explanation:
Work is done when you
A .you lift a book
B .you stand on the floor
C .you hold a box
D .you push against a wall
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Based on the information in the data table and the cladogram shown below, which of the following best describes the evolutionary history of lizards? (4 points)
Amniotic membrane Bipedal locomotion Hair Jaws Lack of tail Lungs
Gorilla X X X X X X
Human X X X X X X
Lamprey
Leopard X X X X X
Lizard X X X
Salamander X X
Shark X
Image depicts a cladogram with lamprey, shark, salamander, lizard, leopard, gorilla, and human represented. Shark diverges from lamprey with the introduction of jaws. Salamander diverges from shark with the introduction of lungs. Lizard diverges from salamander with the introduction of amniotic membrane. Leopard diverges from lizard with the introduction of hair. Gorilla diverges from leopard with the absence of a tail. Human diverges from gorilla with bipedal locomotion.
They are more closely related to lampreys than they are to leopards.
They evolved into a separate species as a result of the presence of an amniotic membrane.
They have jaws and lungs but lack an amniotic membrane.
They share a more recent common evolutionary ancestor with salamanders than they do with sharks. I think is D
Answer:
D. They share a more recent common evolutionary ancestor with salamanders than they do with sharks.
Explanation: Just took the test and got it correct
The cladogram shows that lizards share a more recent common evolutionary ancestor with salamanders than they do with sharks.
What is cladogram?A cladogram is a diagram in the form of a tree wgich shows the evolutionary relationship between organisms based on similarities shared in structure or function.
The cladogram given show that sharks, lizards and salamanders have a common origin but that Lizard diverges from salamander with the introduction of amniotic membrane.
Therefore, Lizards share a more recent common evolutionary ancestor with salamanders than they do with sharks.
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What ways can you get immune to viruses?
Answer:
n a nutshell, eating healthily, unprocessed foods, staying active and getting enough sleep are the simplest way to ensure your immune system is healthy enough to fight off germs.
Explanation:
Which of the following would likely lead to competition between the same species?.
A. Needing the same biotic factors
B. Needing the same abiotic factors
C. Having the same niche in a habitat
D. All of the bove
Answer:
D.
Explanation:
All of these reasons can be factors for competetion between the same species. one usual factor is when there are two groups of wolves and one small supply of their food source, this would lead to competetion between both groups for the source of food.
Your hand touches something super gooey and icky. In the space below, describe the steps in the neural pathway that leads to pulling your hand out of the goo. Start with the stimulus
Solution :
A neural pathway may be defined as the connection that is formed by the axons which is projected from the neurons to make a synapses onto the neurons in some another location. It also enables a signal to be sent from one of the region of the nervous system to the another.
In the context, the steps in the neural pathways of our brain which leads us to pull our hand out of a icky and sticky goo is :
ICKY STIMULUS --- TOUCH / MECHANORECEPTORS ---- SENSORY NEURONS --- SPINAL CORD ---- PROCESSES IN BRAIN ---- SPINAL CORD ---- MOTOR NEURONS ---- MUSCLE MOVEMENT.
Retired police captain Gary P. died of an apparent heart attack while scuba diving. Within hours of his death, his wife asked the hospital to retrieve a sample of his sperm. The following year, she became pregnant as a result of in vitro fertilization. Is her son entitled to police department pension benefits based on the information presented in the opening section of the chapter on this case study?'
Answer:
Yes. He's entitled to have the benefits.
Explanation:
If they conduct a DNA testing and found out that the result is positive between Capt. Gary and the boy. Was he the only child? If not they can also test his siblings if Capt. Gary wasn't able coz he's dead.
And if his mom is lying. I wanted her behind bars.