Answer:
The biosphere is made up of the parts of Earth where life exists—all ecosystems. The biosphere extends from the deepest root systems of trees, to the dark environments of ocean trenches, to lush rain forests, high mountaintops, and transition zones like this one, where ocean and terrestrial ecosystems meet.
Explanation:
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Genetic drift causes random changes in allele
frequencies.
What type of genetic drift occurs from adaptive
radiation?
A. Founder Effect - when a few organisms colonize a new area
B. Emigration - when individuals leave a population
C. Coevolution - when species evolve together
Founders' effect type of genetic drift occurs from adaptive radiation. thus option A is true.
What is genetic drift?Genetic drift is an evolutionary process in which the frequency of a given gene allele varies randomly across a population.
The founder effect, which happens when a small group of people splits off from a larger population to form a colony, is yet another extreme illustration of drift.
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Answer: A. Founder Effect - when a few organisms colonize a new area
Explanation:
Place the steps of the respiration process in the correct order.
Air passes from the trachea to the bronchi.
Oxygen enters the blood cells.
Air enters the nostrils.
Air diffuses from the alveoli to the blood cells.
Blood transports oxygen to other cells.
1. Air enters the nostrils.
2. Air passes from the trachea to the bronchi
3. Air diffuses from the alveoli to the blood cells.
4. Oxygen enters the blood cells.
5. Blood transports oxygen to other cells.
What is a feedback mechanism?
What is a feedback mechanism?
A feedback mechanism is a physiological regulation system in a living body that works to return the body to its normal internal state, or commonly known as homeostasis. In nature, feedback mechanisms can be found in a variety of environments and animal types. Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself.
Examples:
Menstrual cycle. At the beginning of the menstrual cycle, the ovaries release the hormone estrogen. The estrogen acts as a stimulus for the positive feedback loop. ...Childbirth. Figure: Normal childbirth is driven by a positive feedback loop.
Classify these hypotheses about the ocean as falsifiable or non-falsifiable.
limestone erodes faster than
basalt when exposed to
ocean salt water
the rugged panama coastline
offers a wonderful experience
for fishing enthusiasts.
shallower tide pools support
more algae growth
warm ocean water is
more enjoyable to swim
in than cool ocean water.
falsifiable
non-falsifiable
Falsifiable: Panama coastline offers a wonderful experience; warm water is more enjoyable to swim.
Non-falsifiable: limestone erodes faster than basalt; shallower tide pools support algae growth.
What is non-falsifiability?Confidently declaring that a thesis or hypothesis is true or false even though the idea or hypothesis cannot perhaps be opposed by observance or the outcome of any physical experiment, is generally proof without strong or good reasoning.
Thus, this could be the answer.
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Use complete sentences to explain how global wind patterns such as the trade winds in the northern hemisphere would be impacted in the absence of the coriolis effect.
Answer:
"Because Earth rotates as the air is moving, the winds in the Northern Hemisphere curve to the right and air in the Southern Hemisphere curves to the left. This phenomenon is called the Coriolis Effect and it's why the trade winds blow toward the west in both the Northern Hemisphere and Southern Hemisphere.."
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State the relationship between gaseous exchange and respiration
Respiration is the process in which food is oxidized to release energy. Complex organic compounds are converted into simpler ones, e.g glucose into CO2 water and energy released.
Breathe in, breathe out. The oxygen that got in lungs is absorbed into blood and carbon dioxide diffuses out of blood into lungs. That's gaseous exchange.
Gaseous exchange is the diffusion of gases from a region of higher concentration to a region of lower one. It is used for the exchange of oxygen and CO2 between organism and its environment.
While using that oxygen to breakdown food and generate energy particles is respiration.
Which of the following is not a problem in a small population?
Inbreeding
Preditation
Disease
Birth Rates
Answer:
in all honesty, they are all a problem. I would say the least likely not to be a problem is predation.
Explanation:
Smaller numbers mean you have fewer opportunities and choices to reproduce, hence inbreeding and birth rates (if the birth rates were low). any disease could then wipe out the population due to a lack of genetic diversity. So I would say preditation is your best bet
What climatic conditions are required to trigger an amphibian migration?.
a food worker needs to thaw a package of ground beef
Answer:
Under cold water
Explanation:
This is how me and my family thaw beef
What are the three main phases of the cell cycle?
Answer: The cell cycle is composed of 3 main stages - interphase, mitosis and cytokinesis.
Explanation:
ASAP!
Active transport differs from Passive transport in that:
A. Only Active transport uses membrane proteins.
B. Only Passive transport uses membrane proteins.
C. Active transport requires energy.
D. Passive transport requires energy.
Answer:
C
Explanation:
Active transport requires energy, while passive energy does not.
Which is NOT a
subphylum or class
under the Phylum
Arthropoda?
A. Crustaceans
B. Arachnids
C. Centipedes
D. Planarians
Answer:
D
Explanation:
Planarians are of the platyhelminthes.
plase and help my plese . ammm
Organisms with soft bodies decay long before they can be fossilized.
FossilizationFossils are formed from the remains of plants or animals.
The soft parts of organisms decay or decompose while the hard parts have the tendency to fossilized.
The soft parts of organisms are acted upon by microbes. They extracellularly digest the materials and absorb the digested materials as their own food.
The remaining materials either become soil organic matter or become fossilized and preserved in the soil.
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In the human body, neurons never touch each other, there is always empty space between them. What is the space between two neurons called?
A. Synapse
B. Ion channel
C. Interneuron
D. Ganglion
Answer:
A. Synapse
Explanation:
The gap between two neurons is called synaptic gap, or synapse.The synapse is the space between the axon of one neuron and the dendrites of the next neuron in a nerve pathway.
Answer:
Synapse
Explanation:
Also known and a synaptic gap
The Townsville blood bank is desperately in need of blood donors. Which student would MOST likely contribute to the blood bank if asked
The person who is healthy and having O blood may contribute to the blood bank if asked.
What is universal blood group?Because type O is the most prevalent blood type and type O negative blood is the universal blood type needed for emergency transfusions and immune weak babies, type O is frequently in low supply and in great demand by hospitals.
Blood transfusions are given to a wide range of patients. Donated blood's varied components are utilized to cure a variety of ailments. Red blood cells, for example, are transfused to patients who have lost blood as a result of trauma or surgery, as well as to treat anemia (including sickle cell anemia). Platelet transfusions are required for cancer patients to replace healthy cells that have been damaged by chemotherapy and radiation. To treat shock in burn victims, plasma transfusions are frequently required.
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The process in which mRNA copies of a gene are made and then transported to ribosomes and translated
into polypeptide chains is called _____
a. translation
b. protein synthesis
c. genetic sequencing
d. transcription
The central dogma is the process of the formation of the protein from DNA. The polypeptide chains formed from mRNA are produced through translation. Thus, option a is correct.
What is translation?The translation is the central dogma process that translates the transcripted mRNA copy into amino acids that interlink with peptide bonds to produce polypeptide chains. Translation occurs outside the nucleus.
The duplicated DNA undergoes transcription to produce an mRNA copy that gets transported to the ribosome that translates the mRNA with the help of the tRNA and rRNA to yield chains of amino acids that produce proteins.
Therefore, the mRNA is transported to the ribosome and gets translated to proteins through the process of translation.
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White blood cells fight disease.
True
False
Answer:
True
Explanation:
They protect you against illness and disease
Answer:
true! white blood cells fight for your body
WILL MARK BRAINLIST!!
Question 22 of 34
How does a fetus receive nutrients before birth?
A. Directly from the mother's digestive system
OB. Through the umbilical cord
OC. The fetus doesn't need any nutrients until birth.
OD. By drinking amniotic fluid
Answer:0B
Explanation:it receives it through the umbilical cord
How can something that happens in a terrestrial system affect an aquatic system? Give an example.
Answer:
Strong hydrologic connections among terrestrial and inland aquatic realms exist in both river floodplains and dryland ecosystems. In the evolution of river floodplains terrestrial vegetation diversifies inland aquatic habitats, providing a range of colonization options for different organisms
Explanation:
2.
Which is the main function of carbohydrates in the body?
to provide energy
to make hormones
to make nucleic acids
to provide lipids for nutrition
Answer:
it provides energy to the body.
S. WHAT TYPE OF RELATIONSHIP EXISTS BETWEEN BUMBLE BEES AND FLOWERS?
BUMBLE BEE DISLODGING POLLEN
1.40
Hint: Pollen provides bumble bees with protein. They also make honey by
chewing pollen and mixing it with their saliva.
Answer:
Answer: Mutualism or also known as Symbiosis.
Explanation:
As the bumble bee is provided with protein from the pollen, the follower is also benefitting from the bumble bee by BEING pollinated.
What system function together maintain life
Answer:
circulatory system
Explanation:
carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin. Your nervous system controls all these activities with electrical impulses.
What hormone causes changes in females during puberty?.
Answer: Estrogen, beside FSH and LH, causes a girl's body to develop and plans her for pregnancy. So that's what's truly happening amid adolescence it's all these unused chemicals moving around interior your body, turning you from a adolescent into an grown-up with grown-up levels of hormones.
Explanation:
*WILL GIVE BRAINLIEST* While nutrients cycle through environments, energy flows through an environment in one direction. This flow of energy is often shown with an energy pyramid, such as the one below. -- Which of the following correctly states the percentage of energy lost between each trophic level on the energy pyramid and what that energy is lost as?
Answer:
I think it is the secondary consumers which the energy goes back to the soil
Surface runoff is increased by (4 points)
ice
wind
deforestation
terrace building
Surface runoff is increased by deforestation.
What is deforestation?It refers to the removal of forest layers for non-forest-related projects.
Forest layers serve a variety of functions in the ecosystem, including reducing the rate of erosion or runoff by water.
Thus, removing forest layers will lead to an increase in the rate of runoffs in the ecosystem.
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The practice of leaving crop residue on the field between plantings to help prevent soil erosion is known as
The practice of leaving crop residues on the field in between planting seasons is known as conservation tillage.
Conservation tillageSome soils are prone to erosion once they are directly exposed to the impact of precipitation.
After harvesting crops from a field, the crop residues are left on the field to prevent the direct impact of precipitation in cause erosion. The crop residue, in addition, adds to the organic matter of the soil after their decomposition.
Such a practice is known as conservation tillage.
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Please Help Me! My grade is low and this will help!
Explain how a fossil fish can be found in 84-million-year-old rocks in Kansas. Make sure to include details about Earth’s changing surface and how fossils form that you learned from your research. Your answer should include at least five complete sentences.
Answer:
because the kansas was covered in water
Explanation:
Answer:
Kansas was covered in water
Explanation:
How does the nuclear envelope aide in compartmentalization? all but one apply.
a)
the nuclear membrane separates dna from the remainder of the cell.
b)
the nuclear membrane controls the release of mrna from the nucleus.
the nuclear membrane provides a suitable environment protein synthesis
and degradation
d)
the nuclear envelope provides a specific micro-environment for the
process of dna replication
7)
400
The nuclear envelope distinct the process of transcription and translation in the cell. It controls the release of mRNA from the nucleus through the biological process of transcription. Thus, the correct option is B.
What is a Nuclear envelope?A nuclear envelope may be characterized as a positively regulated membrane barrier that separates the nucleus from the cytoplasm in eukaryotic cells.
The process of transcription occurs inside the nucleus and transforms DNA into mRNA, while the process of translation occurs in the cytoplasm which transforms mRNA into specific proteins.
Therefore, it is well described above.
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The two systems that control body functions are the:.
Answer:
Your nervous system and endocrine system control body functions.