Answer:
Biomagnification
Explanation:
They are the concentration of toxin(pesticides)in the tissue of tolerant organism at successively higher levels in food chain.
When do monarch butterflies spend their time in the Oyamal forests of Mexico?
Answer:
i dont remember this
Explanation:
i dont remember this
Answer:
The eastern population of North America's monarchs overwinters in the same 11 to 12 mountain areas in the States of Mexico and Michoacan from October to late March. Monarchs roost for the winter in oyamel fir forests at an elevation of 2,400 to 3,600 meters (nearly 2 miles above sea level).
Explanation:
hoped that helped, if it did could you give me brainliest? have a good day!What is the main light absorbing pigment found in plant leaves?
A) chloroplasts
B) carotenoids
C) grana
D) chlorophyll
Answer:
pretty sure its d
Explanation:
Answer:
D) chlorophyll
I hope this helps!
(Science) chemistry challenge WHATS THE ANSWERRRR
All you need is on the photo
2. Inferring Why is it important to have more than one dating technique available?
Answer:
well, I'm no college student but using common sense you need more than one so when one fails the other can come in and hopefully succeed.
Explanation:
What can you infer about the growth of the seed represented in the graphs below? A) It grows better at lower temperatures than at higher temperatures. B) It grows better at higher temperatures than at lower temperatures. C) It grows equally well at low and high temperatures. D) Growth depends on number of days. E) Temperature has no effect on seed growth.
Answer:
Option : B
It grows better at highertemperatures than at lower temperatures.
Does genetic drift occur in small population
Classify these amino acids as acidic, basic, neutral polar, or neutral nonpolar. Drag each item to the appropriate bin. a) Alanine. b) Arginine. c) Glutamine
Answer:
1) Alanine - Neutral Nonpolar (It is non-acidic)
2) Arginine - Neutral Polar, Basic,
3) Glutamine - Neutral Polar
Explanation:
Amino acids:
Alanine is any of several isomers of a colorless, crystalline, water-soluble amino acid, CH3CH(NH2)COOH, found in many proteins and produced synthetically, used chiefly in biochemical research. Arginine is an essential amino acid, C6H14N4O2: the free amino acid increases insulin secretion and is converted to urea in the liver by arginase. Glutamine is a crystalline amino acid, HOOCCH(NH2)CH2CH2CONH2, related to glutamic acid.Definitions:
Acidic: Acid-forming, yielding acid in chemical reaction; acidicBasic: Basic chemicals are chemical that are essential building blocks for other products. Polar: Capable of ionizing, as NaCl, HCl, or NaOH; electrolytic; heteropolarNon-polar: Containing no permanent dipolar molecules; lacking a dipole.Thanks.
I need help with question 33, it’s a practice test/homework(ungraded) but i want to double check my answer
Here are some ways on how the fishery should take to recover the tuna population.
By closing breeding areas or creating protected marine areas, regulations can protect fish stocks allowing them to replenish. Regulations can also be set to limit the length of fishing seasons, or restrict certain fishing methods like bottom trawling.
Which of the following is NOT an example of a biological model? (all answers choices 2nd slide)
Answer:
pictures of different ecosystems
Explanation:
i got it right
What kind of tools and sites did Neandertals have and how does their behavior differ from earlier hominins?
Answer:
Mousterian point Neanderthals were skilled tool makers but not as advanced as modern humans. Their tools including spear points and knives, most likely set in wooden handles, scrappers, pronged harpoons, and engraving tools. There is also a key difference between Homosapien and Neanderthal, that is that homosapien is the modern human who lives today while neanderthal is an extinct species.
Have a great day! :D
The _____ control(s) the force of a movement, whereas the_____ control(s) the timing and accuracy of the movement.a.motor cortex; basal gangliab.basal ganglia; motor cortexc.basal ganglia; cerebellumd.cerebellum; basal ganglia
The basal ganglia A movement's force is controlled by the cerebellum, while its timing and accuracy are controlled by the cerebellum.
What determines a movement's force?The Motor Complex The brain is in charge of all voluntary actions of the body. The motor cortex is one of the parts of the brain that is most crucial in regulating these voluntary movements.
What function does the basal ganglia play in motor control?The network of brain cells and nerves that manages your body's voluntary motions includes the basal ganglia as a significant component. Your brain sends movement signals that they can either approve or reject, screening away erroneous or superfluous impulses.
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What are matching genes called?
the matching genes are called as homozygous
Humans, in general, have the same genes. A number of genes differ. These are in charge of our physical characteristics and health. Each variation is referred to as an allele. For each gene, you inherit two alleles. One is inherited from your biological mother and one from your biological father. If the genotypes are similar, users are homozygous for just that specific gene. having the same allele at the same locus on both members of a homologous pair of chromosomes A homozygous genotype is one that has two identical alleles of a gene for a specific trait. A person can be homozygous dominant (AA) or homozygous recessive (AR).
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If all the grass disappeared from this community, which change would be
most likely to occur?
squirrel
coyote cougar
mouse deer
XIA
acorns
grass
mushrooms
OA. The squirrel population would decrease.
OB. The coyote population would increase.
OC. The cougar population would stay the same.
OD. The deer population would decrease.
Answer:
If all the grass disappeared from a community, the most likely change to occur would be that the deer population would decrease. This is represented by option D. Deer are herbivores and rely on grass and other vegetation as a primary food source. Without grass, the deer would have less food available, which could lead to a decrease in their population. This could also have a cascading effect on other species in the community, such as predators that rely on deer as a food source.
Explanation:
HELP PLSSS !!
Based on this data, what can be concluded about the impact
seasonal changes have on these organisms around the Barents Sea?
A. The availability of solar energy limits photosynthetic productivity in winter months
B. Seasonal Changes have no impact on these organisms
C. During winter months the Diatom and zooplankton population completely die off due
to the lack of sunlight.
D. Due to the availability of solar energy, Diatom mass peaks in July.
Answer:
D. Due to the availability of solar energy, Diatom mass peaks in July.
Explanation:
Diatom are the photosynthetic algae which prepare food for themselves from the solar radiation just like plants. These diatoms produce more biomass or vegetation in the summer season mainly in July because availability of more sunlight in the Barents sea region while on the other hand, less biomass in the winter season due to low temperature and solar radiation which also effects the population of zooplankton organisms. So we can conclude that seasonal changes have a great impact on the organisms living around the Barents Sea.
Answer:
The availability of solar energy limits photosynthetic productivity in winter months
Explanation:
Trust me
The nucleus is filled with a jellylike called the
Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
Oxygen passes from the air sacs to the blood capillaries by which process
Oxygen passes from the air sacs to the blood capillaries by diffusion, it is due to concentration gradient.
What is diffusion?Diffusion is the process that depends on the concentration gradient, gases flow from a higher concentration to a lower concentration gradient during respiration.
In cellular respiration, oxygen passes from the air sacs to the blood capillaries through this process, the oxygen concentration is high in air sacs as compared to blood capillaries, which flow oxygen down its gradient.
Therefore, by the process of diffusion oxygen passes from the air sacs to the blood capillaries.
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evolutionary significance of bryophytes
The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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Select a field of study within environmental science. Describe how a professional in that field would contribute to the environmental study of a lake.
(Think about the specific expertise that a professional in your field of choice would have.)
One field of study within environmental science is limnology, which is the study of freshwater ecosystems, including lakes.
What is the contribution of limnologist?A professional in this field would contribute to the environmental study of a lake in several ways. For example:
Physical and chemical analysis: A limnologist would measure various physical and chemical parameters of the lake, such as temperature, pH, dissolved oxygen, and nutrient levels.Biodiversity assessment: The limnologist would study the lake's biotic community, including algae, phytoplankton, zooplankton, and fish populations. This information would help determine the overall health of the lake.Water quality monitoring: The limnologist would monitor the lake's water quality and identify potential pollutants, such as excess nutrients, heavy metals, and other toxic substances.Ecosystem dynamics: The limnologist would study the lake's ecosystem dynamics, including food webs, trophic relationships, and nutrient cycling. This information would be used to understand how the lake functions and respond to environmental changes.Overall, a limnologist would use a combination of field and laboratory methods to gather data and conduct analysis to contribute to the understanding and management of the lake's health and ecosystem.
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What is the backbone called?
Answer:
The backbone is called the "Vertebral column".
Explanation:
Vertebral column, also called spinal column, spine, or backbone.
Answer:
The backbone encloses the spinal cord and the fluid surrounding the spinal cord. Also called spinal column, spine, and vertebral column.
Explanation:
pls mark me as brainliest
18 Which of the following is NOT
type of radiation from the Sun?
A. ultraviolet waves
B. television waves
C. radio waves
D. x-ray waves
Which of the following are examples of density independent limiting factors
Answer:
food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons.
Explanation:
Food or nutrient limitation, pollutants in the environment are examples of density independent limiting factors.
What do you mean by density independent limiting factors?The category of density independent limiting factors includes fires, natural disasters (earthquakes, floods, tornados), and the effects of pollution. The chances of dying from any of these limiting factors don't depend on how many individuals are in the population.
Wildfire is abiotic (nonliving), and most density-independent limiting factors fall in this category. Other density-independent factors include hurricanes, pollutants, and seasonal climate extremes.
These density-independent factors include food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons.
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Please answer quickly.
The trait for flower color is highly variable among certain species of rose plants, leading to the formation of flowers of different colors. How did the flower color variation in rose plants come about?
Select one:
a through mutation
b. through pollination
c. through natural selection
d. through asexual reproduction
Answer:
The answer is A hope it helps
Write a 3 paragraph (4-5 sentences per paragraph) “persuasive essay” to convince your reader
that Rosalind Franklin was absolutely robbed of the Nobel Prize
Rosalind Franklin was an important and influential scientist who made significant contributions to the field of molecular biology.
The idea that she was "robbed" of the Nobel Prize is not entirely true. Her work on X-ray crystallography helped determine the structure of DNA, but was not the only factor in her discovery. Up to three Nobel Prizes have been awarded to James Watson, Francis Crick and Maurice Wilkins for their contributions to the discovery of the structure of DNA.
It's important to recognize that the scientific community is collaborative and no one person can be responsible for discoveries. Franklin's work was certainly worthwhile, but she wasn't the only scientist working on the problem. Watson, Crick, and Wilkins all made important contributions to the discovery of DNA structure. Furthermore, Franklin's premature death in 1958 prevented her from winning the Nobel Prize, even if she did.
Ultimately, although Franklin's contribution to the discovery of her DNA structure was significant, it would be inaccurate to say that she was "robbed" of the Nobel Prize. She said the prize was given to the scientist who led to her discovery, but unfortunately Franklin didn't live to win the prize, even though she did. It is important to recognize the contributions of all the scientists involved in the discovery, rather than just evaluating one scientist.
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Two genes affect nest-building behavior in a rodent, but a dihybrid cross (SsBb x SsBb) produces only three phenotypes, nests built in trees, nests built on the ground, and nests built underground. Which of the following might explain this result? Choose all that apply. O duplicate dominant epistasis O dominant epistasis O recessive epistasis O duplicate recessive epistasis
In the question, three phenotypes describe the observation of dominant epistasis or recessive epistasis because all can create three phenotypes ( Dominant epistasis 12:3:1 and recessive epistasis 9:3:4 ), hence options B and C are correct.
What is epistasis?It is the kind of interaction in which the effect of the gene mutation depends on the mutation of another gene.
In normal crossing over in a dihybrid cross it represents the ratio of (SsBb x SsBb) makes four phenotypes (9:3:3:1), but here it produces nests built in trees, nests built on the ground, and nests built underground, which are three phenotypes shows epistasis.
Therefore, dominant epistasis and recessive epistasis is the correct observation.
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how the cardiovascular, respiratory and digestive systems work together to provide cells with the raw materials they need to ensure healthy cell function
Explanation:
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
A studen is completing a Punnett square for trait (X/x) that is autosomal and inherited by the dominant allele. The father does not have it but the mother does. If they have two children, a son and a daughter, what would the completed Punnett square look like
In the observation, there is a 50% chance for each child to inherit the trait, (X/x) that is autosomal and inherited by the dominant allele.
What is autosomal dominant inheritance?Autosomal dominant inheritance is the way of passing genetic traits from parents to children.
The cross between Xx and xx.
Creating offspring with having 50% probability of having this character.
While the father xx lacks the feature, the mother XX does.
The cross is attached in the image below.
There are only two genotypes, Xx and xx, which occur equally frequently.
Therefore, the children have a 50% chance of inheriting the characteristic.
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Qualities of a good fertilizer
1) Easily spread which will ensure in even distribution patterns
2)Capatible in particle size whether it's smooth or hard particles
3)Free from additives and contaminants
4)Can be easily applied
EXPLAINATION;
Increases yield and ensures the right amount of nutrients the plant needs
Write a complete scientific explanation to account for why the heavier ball caused more flour to spread out. Be sure to include the relationship between amount of mass and amount of kinetic energy in your explanation, and include a claim, evidence, and reasoning.
The heavier ball caused more flour to spread out because it possessed greater kinetic energy due to its greater mass.
What is kinetic energy ?Kinetic energy is proportional to an object's mass and velocity, and since both balls were dropped from the same height, they had the same initial potential energy.
However, the heavier ball had more kinetic energy as it hit the flour, causing it to displace more flour than the lighter ball. This can be observed in everyday situations, such as a heavier object causing more damage than a lighter object when dropped from the same height.
Therefore, the relationship between mass and kinetic energy can explain why the heavier ball caused more flour to spread out.
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Answer:
The heavier ball caused more flour to spread out because it possessed greater kinetic energy due to its greater mass.
Explanation: