Answer:
corticospinal tract
The neurons that travel in the corticospinal tract are referred to as upper motor neurons; they synapse on neurons in the spinal cord called lower motor ...
A cell with numerous ribosomes is probably specialized for
Answer:
Harmone secretions
and also known as powerhouse of cell
as it's provide energy
A male fiddler crab waves his claw in order to attract a female crab. what is this type of complex behavior called? question 12 options: reflex instinct learned behavior inborn behavior
Since courtship and mating behaviors are actually learnt and not innate, the waving of the crab to attract a female is a learned behavior.
What is courtship behaviour?The term courtship behaviour has to do with the bahaviour that a male will put up in order to attaract the female organims. Most scientists hold that these courtship and mating behaviors are actually learnt and not innate.
Hence, we can say that the waving of the crab to attract a female is a learned behavior.
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Carolyn and Ken are learning about the geosphere, atmosphere, biosphere, and hydrosphere. They put sand in a small swimming pool. They dug a hole in the middle and filled the hole with water. They turned a fan on and watched how the water and sand changed.
Answer:
Explanation:
I hope this helps you!
Does photosynthesis occur in all plant cells?
Answer:
No- not all, but most.
Explanation:
The newly discovered plant — named Gastrodia kuroshimensis — occurs in the dark understory of forests where little light penetrates. So instead of using sunlight or photosynthesis to generate nutrients, the plant parasitizes the fungi in the forest soil for its daily dose of nutrition.
Answer:
No Not all, but most
Explanation:
Scientists have found ash in certain layers of sediment in an area in northern China. This is evidence that a volcano erupted in the area in the past. In the same sedimentary layers, fossils of dinosaurs, birds, and early mammals have been found. How can scientists best determine when the volcano erupted?
Scientists can find out when the volcano erupted by determining the age of the fossils in the ashy layers of sediment in area.
What is a Volcano?This is defined as a vent or opening where lava erupts on to the surface of the Earth.
The age of the fossils in the ashy layers of sediment in area will help to determine the time when the volcano erupted.
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All cytoskeletal filaments are held together via weak noncovalent interactions, so that assembly and disassembly can occur rapidly Question 1 options: True False
All cytoskeletal filaments are held together via weak noncovalent interactions, so that assembly and disassembly can occur rapidly is True.
Does the cytoskeleton assemble and disassemble?The actin cytoskeleton is constantly assembling and disassembling. Cells harness the energy of these turnover dynamics to drive cell motility and organize cytoplasm.
Although much is known about how cells control actin polymerization, we do not understand how actin filaments depolymerize inside cells.
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Explain one way that carbon gets back into the atmosphere?
Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
Which tissue makes up the husk of coconut?
Answer: Sclerenchymatous tissue makes up the husk of the coconut .
Explanation: It is one of the permanentant tissue . It is the tissue which makes the plant hard and stuff like a husk of coconut . The cells of this tissue are dead . They are long and narrow .
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Which one is it? 1, 2, 3, or 4?
Answer:
2 all living things need organ systems I am in 7th grade and I know this
Explanation:
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Gloriosa superba exhibits
a) Herkogamy
b) Cleistogamy
c) Self sterility
d) Heterostyly
Answer:
Herkogamy
Explanation:
Glorious superba is a exception kind flower typeUnlike others flowers it's not bise xualPolleniated grains can't reach stigmaOption A
Using your model, which of these would lead to an increase in carbon dioxide in the atmosphere? Select the TWO (2) that apply
Answer:
Carbon Dioxide is a gas it is always part of the atmosphere. However Carbon Dioxide gas can be removed and returned to the atmosphere.
Explanation:
Plants use Carbon Dioxide as one of the two main reactants in the process of photosynthesis. Photosynthesis removes Carbon Dioxide from the atmosphere turning the Carbon into Carbohydrates, such as cellulose found in wood.
Cellular Respiration, burning coal, wood, gasoline, turn the Carbon-based molecules back into Carbon Dioxide and water. These Oxidation reactions return the Carbon Dioxide to the atmosphere
Explanation:
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Which of the following is NOT TRUE about asteroids or comets?
O Asteroids are in a fixed orbit in the solar system like a ring between Mars and Jupiter.
O Comets are made of ice and rock with a "tail" we can see when it gets close to the Sun.
Asteroids are basically big pieces of ice floating in the solar system
Comets have huge orbits that can keep them away from Earth for hundreds or even thousands of years.
Answer:
Asteroids are basically big pieces of ice floating in the solar system
Explanation:
Asteroids are actually giant pieces of rock :)
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The cell membrane protects our cells
against infections by invaders, but
sometimes the cell membrane isn't 100%
effective at preventing these infections.
What happens when an infection occurs
in a cell?
A. The invader is kept out of the cell by the cell membrane.
B. The invader is denied entry into the cell by the cell
membrane.
C. The invader finds a way into the cell.
What are the three main places we find water in the body?
Answer:
within our cells (two-thirds of the water), in the space between our cells and our blood (one-third of the water).
Which biomolecule contains both nitrogen and phosphate?.
Answer:
The answer would be nucleic acids
Explanation:
The chemical composition of nucleic acid is:
A sugar molecule is attached to a nitrogen base and phosphate group.
The most common source of water contamination is _______.
a.
sewage
b.
pesticides
c.
fertilizers
d.
none of the above
Please select the best answer from the choices provided
A
B
C
DThe most common source of water contamination is _______.
a.
sewage
b.
pesticides
c.
fertilizers
d.
none of the above
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Please select the best answer from the choices provided
A
B
C
D
any1 w a n 2 r p
Answer:
sewage is the best answer for that question
Where is chlorophyll found?
in the roots
in the stem
in the chloroplast
in the stomata
Answer:
In the chloroplast.
Explanation:
Chlorophyll is a green pigment plants use to absorb light so they can make food via photosynthesis. Chloroplasts are organelles that contain chlorophyll, so it only makes sense that the best answer is the chloroplast.
Answer:
C is your answer
Explanation:
Survival of the fittest and evolution were proposed by what scientist?.
Answer:
Charles darwin
Explanation:
i looked it up
Cross a female with normal color vision, but whose father was colorblind, with a man who has colorblindness. Tell the expected phenotypic ratio of the offspring
If a female with normal colour vision, but her father was colour blind crosses with the man who has colourblindness, the phenotypic ratio of the offspring is 50%.
What is Colorblindness?Colour blindness is linked to the X-chromosome defect. It is a condition in which a person is unable to see the colors or differences in colours or its abilities decreased. For example, he was unable to distinguish between the colour of traffic lights, colour of fruits or choosing clothes.
Colour blindness is to be present on all X chromosome within the individual have to be affected; so the man has only one X-chromosome and women have two, the chances of colour blindness is much more higher in men as compared to women.
In the above example due to genetic inheritance of the mother from her father, the chances of colour blindness in their child is 50% because each parent is a carrier having X chromosome.
In this case chances of inheriting colour blind X chromosome would be double as likely for female child because both mother and father are the carriers of X chromosome of colour blindness.
Thus, if a female with normal colour vision, but her father was colour blind crosses with the man who has colourblindness, the phenotypic ratio of the offspring is 50%.
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After each bar press, a laboratory rat receives electric stimulation to its brain. The rate of bar pressing increases. This is an example of
After each bar press, a laboratory rat receives electric stimulation to its brain. The rate of bar pressing increases. This is an example of operant conditioning given by Skinner.
What do you mean by electric stimulation?Electric stimulation may be defined as the process that uses the device to transmit gentle electrical pulses via the skin.
Operant conditioning is associated with the hit and trial conditioning method which was proposed by B.F Skinner. This experiment falls in association with the behavior and stimuli of an organism or model.
Therefore, after each bar press, a laboratory rat receives electric stimulation to its brain. The rate of bar pressing increases. This is an example of operant conditioning.
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Cortisone and cortisol are types of ________ produced by the middle cortical layer of the adrenal gland.
Answer:
glucocorticoids
Explanation:
Which cells are most directly associated with the formation of csf?.
Answer:
. Ependymal cell
Explanation:
Most neurons are surrounded by glial, which are the supportive cells of the nervous system and are ten times more numerous than neurons. Overall, the most well known role for neuroglia is to provide structure to the delicate nervous tissue. They fill the space between neurons, serving as mortar and thus help hold nervous tissue together.
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The white matter of the cerebellum is known as the.
Answer: Arbor vitae
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Answer:
C
Explanation:
This answer represents evolution as a whole not the process
Which type of cells are lymphocytes?
(1 Point)
Mast cells
O T-cells and B-cells
O Nerve cells
O Red blood cells
Answer:
Red blood cells
Explanation:
Question 1 of 10
Which of the following is an example of ecological restoration?
A. Protecting a natural area before it becomes degraded by human
activity
O B. Converting a sanitary landfill into a park used for recreational
sports
a
O C. Diverting a river back to its natural course to reestablish a coastal
wetland area
D. Developing an area of land into a botanical garden that protects
rare species
Answer:
C - Diverting a river back to its natural course to reestablish a coastal wetland area.
Explanation:
Just took the quiz.
If brown bears did not change the composition of their cell membranes during winter months, what would be the effect on the fluidity of their cell membranes
Answer:
I have no idea good point
Explanation:
Explain how the processes of sedimentary rock formation change the geosphere.
Sorry, I don't know.
I would suggest asking any trusted adults or your teachers.
Facilitated diffusion is a type of
passive transport, which means it
does not require energy.
Which of the following is an
example of facilitated diffusion?
A. liquid molecules colliding
B. plants bringing nutrients into their roots
from the soil
C. protein channels embedded in the cell
membrane
D. the sodium-potassium pump actively
bringing sodium and potassium into the cell
Answer:
C. Protein channels embedded in the cell
Explanation:
Solute flow through channel proteins is always passive.
What type of muscle controls leg movement?
A) striated
B) cardiac
C) smooth