Answer:
D
Explanation:
In order for a species to live on, they must reproduce successfully to have continuing generations. A is not right because not all animals migrate. B is correct, but that does not apply to the long-term. C is also important but it is not correct because it also does not apply to the long term. This makes the answer D.
Answer:
the answer is a
Explanation
A cell with numerous ribosomes is probably specialized for
Answer:
Harmone secretions
and also known as powerhouse of cell
as it's provide energy
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.
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:
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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What is the defining criterion for determining a human male?
Select one:
a Y-chromosomes
an X-chromosome
a male reproductive organ
ability to grow a beard
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
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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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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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.
1 question: What means to divide a material into its various parts.?
2 question: The name given to matter that can be touched and manipulated is a what.?
3 question: Matter may exist is many what such a solid, liquid or gas.? help me asap
Answer:
1. analyze, dissect, break down mean to divide a complex whole into its parts or elements.
2. Substance
3. Matter exists in all of these forms (solid, liquid, gas) for example, water exists as ice, liquid water, and gaseous steam.
Explanation:
I hope that this helped!!
I'm sorry if any of it is not what you're looking for.
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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identify the process shown in
the diagram to the right
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!
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
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.
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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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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Cortisone and cortisol are types of ________ produced by the middle cortical layer of the adrenal gland.
Answer:
glucocorticoids
Explanation:
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).
the relationship between the frog and the snake may be described as...
Answer:
Hello there! The relationship between a frog and a snake is a predator and prey. prey being the frog and predator being the snake.
The illustration below shows the wing structure of an insect. Line-drawing of insect wing, showing outline of wing and pattern of veins. The wing is narrow where it attaches to the body, gets wider, then gets narrow again, and has a rounded tip. Which of the following animals will most likely have a wing structure that is very similar to this insect’s wing structure?
A. An animal from the same class
B. An animal from the same genus
C. An animal from the same phylum
D. An animal from the same kingdom
An animal from the same class as the insect will most likely have a wing structure that is very similar to the insect's wing structure. Therefore, the correct statement is option A.
What are insect's wings consisting of?The class here is Insecta, which includes all insects. Insects are a diverse group of organisms having unique features, including wings. Insect wings consists of a thin, membranous layer supported by a network of veins.
The veins provide structure and strength to the wing and is a characteristic of the class Insecta. However, there is a large variation in insect wings, shapes, sizes, and patterns of veins, the basic structure is the same.
Insect wings are narrow where they attach to the body, get wider toward the middle of the wing, and then get narrow again at the tip, often with a rounded or pointed shape. This general shape and vein pattern is common to all insects with wings.
Therefore, the insects, which belong to the same class Insecta, will have similar wing structures to the insect in the illustration.
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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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Dawnin developed four theories of evolution, which of the following is NOT one of his theories?
A. Living organisms evolve over time.
B. Natural Selection is the main cause of evolutionary change.
C. Evolutionary change occurs quickly, and is caused by large mutations.
D. The splitting of lineages into two or more species has occurred.
Dawnin developed four theories of evolution and not one of his theories that evolutionary change occurs rapidly and is caused by large mutations.
What are Charles Darwin's theories?Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection. Darwin defined evolution as "descending with modification", the idea that species change over time, give rise to new species and share a common ancestor.
With this information, we can conclude that Dawnin developed four theories of evolution and not one of his theories that evolutionary change occurs rapidly and is caused by large mutations.
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Which relationship represents an example of mutualism?
Answer:
You are correct :)
Explanation:
Hello people ~
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
Convergent evolution is when a species evolved from a common ancestor.
True
False
Answer:
False
Explanation:
Convergent evolution is when two species with different ancestors evolve to have similar traits to do similar purposes. Ex: the structure of the arm of differnet mamals. They all do the same thing, and the general make up is the same, but mammals are in no way the same species.
Divergent evolution is the type of evolution that comes from species of the same ancestor, but thats when they evolve differently despite having the same ancestor to adapt to their enviroment (ex: bird beaks).
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 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:
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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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:
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Answer:
C
Explanation:
This answer represents evolution as a whole not the process