A large population of rock pocket mice with various fur colors lives in a designated area. Several generations after a volcanic eruption, the frequency of the different colors within the population has changed. What color of rock pocket mice would be most prevalent in the population and why?
The most prevalent color of the rock pocket mice would be sandy-colored fur, because of the light color of the desert rocks and sand on which they live.
What are rock pocket mice?The two varieties are light brown and dark brown-black (ancestral variation). Rock pocket mice of a dark tint can be found in environments with a lot of black lava rock.
Mice with light skin tones can be found in environments with sand and light-colored rocks.
Therefore, due to the light hue of the desert rocks and sand where they live, the rock pocket mice' fur would typically be sandy in color.
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Which of the following parts of a plant remains on the plant even after several years of growth?
A) Primary xylem B) Primary phloem C) Epidermis D) Cortex
The basic xylem still seems to be present close to the pith even when the plant has grown for a considerable amount of time.
What is the term for a plant's longer growth?Because they permit primary growth, also known as height and height expansion, these three forms of rosette are referred to as primary meristems. With more meristems, broadleaf weeds have the potential to grow larger. Secondary growth does not occur in herbaceous plants.
What is the name of the sprout that lengthens stems and roots?Meristems affect primary, secondary, and tertiary growth. The medial meristems, also known as the vascular system, govern secondary growth whereas root organizational meristems that continue to shoot apical cell structures regulate primary growth.
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The leaves of which plant below show the best structural adaptation for protecting the plant from predators?
Answer
F
G
H
J
Answer:
the cactus
Explanation:
it has spikes that can harm the predator
What causes increase in rate of cell growth and size?
Cells can grow by increasing the overall rate of cellular biogenesis such that biomolecule production exceeds the overall rate of cellular degradation of biomolecules by proteasomes, lysosomes, or autophagy.
In a typical mammalian dividing cell, proliferation occurs in her G1 phase of the cell cycle and is closely coupled with the S phase (DNA synthesis) and M phase (mitosis). The combined effects of growth factors, hormones, and nutrient availability provide external signals for cell growth.
Cell growth, proliferation and differentiation are primarily controlled by selective transcriptional regulation of gene expression in response to extracellular stimuli. Much of this transcriptional regulation is regulated by the action of sequence-specific transcription factors.
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What happens when genetic diversity decreases?
Species can go extinct and be lost forever when genetic diversity decreases.
This is a result of despair brought on by inbreeding paired with a lack of ability to adjust to change. New alleles can be introduced in these situations to save the population. For a population to adapt to changing circumstances, genetic diversity is essential.
Genetic drift is a result of sampling error because individuals are randomly chosen when a population is sampled. A random selection is one in which each member of the population has an equal chance of being chosen.
The variety of various inherited features within a species is referred to as genetic diversity. There would be many people with a wide range of diverse traits in a species with significant genetic diversity. For a population to adapt to changing surroundings, genetic variety is essential.
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6. Plants and animals have tissues made up of ...
A many different kinds of cells
B cells that have multiple functions
C specialized cells
D cells without organelles
What type of rock is most likely to form in an earthquake zone?
O A. Sedimentary rock
O B. Metamorphic rock
O C. Extrusive igneous rock
D. Intrusive igneous rock
Which of the following management practices attempts to minimize ecological impact by allowing some trees in a forest to grow to maturity
Getting unevenly aged stands through a selection process. Compared to even cutting, this uneven growth and trimming would boost biodiversity.
Tree stands that are uniform in age are all the same age. These trees are all of the same type and are planted at the same time. Therefore, setting up a biosphere reserve is the most efficient strategy to preserve a region's plant diversity. Ex-situ methods of conservation, such as seed banks, botanical gardens, and tissue culture, involve removing organisms from their natural habitat. By sucking carbon dioxide out of the atmosphere and storing it, forests aid in reducing the rate of climate change. Since the excess of carbon dioxide in the atmosphere is the main cause of climate change, this is a direct consequence.
The complete question is - Which management practices attempts to minimize ecological impact by allowing some trees in a forest to grow to maturity?
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Suppose that most of the 25 ants on stumps stopped between 5 to 8 meters from the feeder and started nest-searching behavior, but one ant kept walking until it was 11 meters from the feeder.
How would this change the length of the whiskers in the box-and-whisker plot shown in Test 1?
The right whisker would have been longer and also the left whisker would be the same length.
The bottom and higher ends of where the ants paused to search are shown by the whiskers. The whisker on the right would be longer if one ant had walked 11 meters, showing a shift in the upper extreme.
To analyse a dataset's distribution, a box plot is employed. A box and two lines make up the box plot. We call the two lines "whiskers." The lowest number is shown at the end of the first line, and the highest number is shown at the end of the second line.
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Eating food while drinking speeds up alcohol
absorption.
True
False
Explanation:
It is false, because when we drink without eating something it speeds up alcohol absorption
In Model 1, if the length of the arrow represents time, then for those cancerous cells, what happens to the time that is necessary for the cell cycle? What implications might this have for doctors who are treating cancer patients?
In Model 1, if the length of the arrow represents time. then for those cancerous cells, the time necessary for the cell cycle would be reduced.
This could have implications for doctors treating cancer patients, as it could mean that the cancerous cells can divide more quickly, leading to a faster spread of the cancer and more aggressive forms of the disease.
Additionally, it could also mean that treatments such as chemotherapy and radiation may have less of an effect on the cancerous cells, as they may be able to divide faster than the treatments can act on them. Doctors treating cancer patients may need to take this into consideration when developing treatment plans, as they may need to use more aggressive treatments or shorter treatment cycles to ensure that the cancerous cells are effectively targeted.
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What has occurred in both cells immediately before this process?
A. A cell nucleus has divided by mitosis.
B. Two cells have migrated to join together.
O
C. A cell wall has increased in size.
D. A cell has grown larger, without mitosis occurring.
E. The cytoplasm has gradually solidified.
Answer:
Option A is the correct one.
Explanation:
A cell nucleus has divided by mitosis. ... During the cell cycle, compounds called cyclins increase and decrease in a regular pattern.
Answer:
A. A cell nucleus has divided by mitosis.
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How does coevolution affect biodiversity?
Answer:
Coevolution plays a key role in shaping the biodiversity on Earth. Coevolution is commonly defined as reciprocal evolutionary changes brought about by interactions between species, implying that interacting species impose selection on each other.
In which order would you cross all the layers surrounding a bacterial cell if you started on the outside
I would cross all the layers surrounding a bacterial cell if I started on the outside capsule, plasma membrane, and cell wall.
What is the cell envelope?The cell envelope is а descriptive term for the severаl lаyers of mаteriаl thаt envelope or enclose the protoplаsm of the cell. The cell protoplаsm (cytoplаsm) is surrounded by the plаsmа membrаne, а cell wаll аnd а cаpsule.
The cell wаll itself is а lаyered structure in Grаm-negаtive bаcteriа. Аll cells hаve а membrаne, which is the essential аnd definitive chаrаcteristic of а "cell". Аlmost аll procаryotes hаve а cell wаll to prevent dаmаge to the underlying protoplаst. Outside the cell wаll, foremost аs а surfаce structure, mаy be а polysаcchаride cаpsule or glycocаlyx.
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12. Atoms can have different numbers of which of the following?
a. electrons
C. neutrons
b. protons
d. all of the above
Answer:
A. Electrons.
Explanation:
Atoms and elements in the periodic table are numbered based on the number of electrons it has.
The food web above represents feeding relationships in a biological community near a deep-sea hydrothermal vent. Hydrothermal vents are geysers on the seafloor that gush super-heated, mineralrich water. The seawater surrounding hydrothermal vents typically contains carbon dioxide (CO2), molecular hydrogen (H2), hydrogen sulfide (H2S), and methane (CH4). Sunlight, however, fails to reach the seafloor where deep-sea hydrothermal vents are located. As part of an investigation, researchers collected living specimens from an area near a deep-sea hydrothermal vent. Mussels in the collection were found to be dependent on molecular hydrogen in seawater. Also, the researchers discovered multiple species of bacteria living in the gills of the mussels.
Mussels use gills for filter-feeding and gas exchange with the surrounding seawater. On the basis of their experimental results, the researchers hypothesized that some bacteria living in the gills of the mussels are capable of chemosynthesis. Which of the following best explains how biological communities near deep-sea hydrothermal vents can exist in a habitat lacking sunlight?
a) Environmental conditions on some distant planets resemble those experienced by organisms
living near hydrothermal vents.
b) Heterotrophs metabolize carbon-containing compounds produced by the photosynthetic
organisms that live on the seafloor.
c) Some organisms rely on energy captured from inorganic compounds to drive basic biological processes.
d) Some organisms that can tolerate high temperatures are single celled, whereas others are multicellular.
Answer: c) Some organisms rely on energy captured from inorganic compounds to drive basic biological processes.
Explanation:
Deep-sea hydrothermal vents are hot spots of geothermal water. The organisms living in deep-sea vents cannot obtain energy from sunlight. They are dependent on chemosynthesis, which involves the utilization of inorganic substances to produce organic substances, which allows their survival and act as a source of energy. In the given situation, bacteria present on the surface of mussels are capable of chemosynthesis also the mussels are dependent upon inorganic hydrogen in seawater. Thus chemosynthesis supports the survival of organisms living in the deep sea vents.
cellaur repsiartion takes place in these important organellie in the cells
Answer:
Explanation:
It absorbs oxygen and releases carbon dioxide and energy. Thus, respiration takes place in the mitochondria of the cell. Mitochondria are also called powerhouses of the cell because they produce energy. Mitochondria are organelles whose membranes are specialized for aerobic respiration.
What would happen if the active site on the enzyme become damaged?
Answer:
enzyme cannot do its function
Explanation:
at which the substrate cannot enter its site
A community is different from a population because
Answer:
A population is different from a community because population means a group of individuals of the same species and community means any and all living creatures
PLEASE HELP!!!
Two heterozygous black Gina pigs crossed, what’s the percentage an offspring will have black fur?
A. 25 percent
B. 50 percent
C. 75 percent
D. 100 percent
Answer: 100 percent
Explanation: this is because, the color black is more dominant in the offsprings genes(genetics) So if both mom and dad guinea pigs are black that means 100% of them will be.
How many is bicameral?
It is a two-house bicameral legislative body. India is however one instance, where each of its 28 states and the union both have two houses.
There are six states in India that have a bicameral legislature (Andhra Pradesh, Maharashtra, Karnataka, Orissa, Telangana, Bihar, and Uttar Pradesh). currently, 6 states in india have bicameral legislatures. previously, there were 7 states, but 6 states now exist as a result of jammu and kashmir being a union territory. in a bicameral legislature, there are two houses that make up the legislature. A legislature having two houses is referred to as bicameral. The Lok Sabha & Rajya Sabha are the two houses of the Indian Parliament. There are just a few states in India that also have a bicameral legislature made up of the Vidhan Sabha & Vidhan Parishad, whereas most only have the Vidhan Sabha.
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Why is firewood considered a limited resource ?
A. People are not practicing sustainable wood harvesting
B. Wood is used in place of money to trade for food
C. Fuelwood allows people to purify their water by boiling it
D. Fuelwood allows people to cook their food .
An increase in water-borne diseases could possibly be alleviated by.
A. Adequate sewage treatment facilities for growing populations.
B. Very rapid growth of large cities.
C. Sufficient fuelwood
D. Both A and D.
Which of the following would not be a characteristic of a country on the least developed countries list ?
A. Extremely poor nutrition, health, and education
B. Extremely high poverty levels- making about $2.00 per day .
C. Distinct developmental progress
D. Aided by the UN finically
Most countries are tending towards replacement level fertility rates by 2050. What does this mean for world population growth in the future past 2050?
A. Population growth will become population loss
B. Population growth will eventually stop
C. The population will continue to grow
D. None of the above .
I know for the last question the answer isn’t A .
I know question three isn’t answer B.
I know question 1 isn’t answer C.
Answer: A- People are not practicing sustainable wood harvesting
A- Adequate sewage treatment facilities for growing populations.
C- Distinct developmental progress
D. None of the above .
Explanation:
18
Which of the following is an example of natural selection producing
diversity between species?
Answer:
A example of natural selection is when there is an abundance of a certain type of insect just for the purpose of being eaten by another animal. Another example could be when an animal with white fur is more noticeable by predators in the warmer months.
Explanation:
Answer: it would be letter a
Explanation: because the webbed feet and long feet were chosen by natural selection by water habitat and they show diversity by being different:)
Why are there typically fewer organisms at the top of an energy pyramid?
Which is most likely to change with new discoveries and technologies?
classification of organisms
kingdom of an organism
order of the taxonomic levels
use of binomial nomenclature
Answer:
Option A is the correct one
Explanation:
When scientist find new species that may have to change classification systems in order to accommodate them. DNA sequencing has also let us find out more about evolutionary relationships. ... The more recent the common ancestor, the more closely related the two species are.
Answer:
classification of organisms is most likely to change with new discoveries and technologies .
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Why are large scale mutations more obvious than small scale mutations ?
large scale mutations are more obvious because it affects more chromosomes in your DNA than small scale mutations.
example: Duplication of multiple genes causes those
genes to be overexpressed while deletions result
in missing or incomplete genes.
I need the answers ASAP
HELP!!
Answer:
(b)
Explanation:
Which of the following is a correct example of short-loop negative feedback?
A) Thyroid hormones inhibit the release of TRH.
B) Thyroid hormones inhibit the release of TSH.
C) TRH stimulates the release of thyroid hormones.
D) TSH inhibits the release of TRH.
E) TRH inhibits the release of TSH.
The following is a suitable illustration of brief negative feedback where TSH limits TRH release.
Does TSH interfere with TRH?The pituitary gland's TSH induces thyroid hormone release, which is triggered by the thyroid-releasing hormone TRH produced by the hypothalamus. Thyroid epithelial cells shut down as thyroid hormone blood concentrations rise because they suppress both TSH and TRH.
What stops the TRH from being released?Energy-demanding conditions, such as coldness and exercise, and the HPT axis are stimulated, but the axis is suppressed by conditions that disrupt the energy balance, such as fasting, inflammation, or long-term stress.
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If a genotype i it heterozygou tate reult in white fur color, what doe it tell u about the white fur trait - i it a dominant trait or receive trait. Explain breifly
If a genotype it heterozygous trait result in white fur color, it tells you that the white fur trait it is a dominant trait.
One copy of an allele, which might come from just one parent, is called a dominant allele and results in a dominant phenotype in individuals. Having two copies of a recessive allele, one from each parent, is necessary for a recessive phenotype to develop. The dominant phenotype of a gene is present in an individual who carries both one dominant and one recessive allele. Generally speaking, they are referred to as "carriers" of the recessive allele because the recessive allele is present but the recessive phenotype is absent.
When estimating a person's likelihood of acquiring particular phenotypes, particularly genetic illnesses, dominant and recessive inheritance are helpful concepts to understand. is a dominant trait.
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The data table shows the number of pumpkin seeds that germinate at different temperatures.
Effect of Temperature on Germination of Pumpkin Seeds
Temperature
Seeds germinated
Trial 1 Trial 2 Trial 3 Trial 4
20°C 60 63 70 62
24°C 75 87 82 78
28°C 86 84 83 84
32°C 69 64 63 66
What is the mode of the data at 28°C?
A.
84.25
B.
83.5
C.
85
D.
84
The mode of the data at 28°C is 84. The correct option is D.
What is a mode?In statistics, the mode is the variate with the highest frequency of occurrence in a given data. The mode is one of the attributes used to measure how centralized the variates within a data set are.
Mode is used as a measure of central tendency because:
It is very easy to calculateIt is not affected by outliersIt is useful to define the properties of a data setIn this case, we are to find the mode of the data at 28°C. The data at this location is 86, 84, 83, and 84.
86 occur just once, 84 occur twice, while 83 also occur just once in the 4 elements data set.
Thus, the mode here is 84 which occurs twice.
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