Answer: Definition of reproductive system. : the system of organs and parts which function in reproduction consisting in the male especially of the testes, penis, seminal vesicles, prostate, and urethra and in the female especially of the ovaries, fallopian tubes, uterus, vagina, and vulva.
Explanation:
Which statements accurately describe soil? Check all that apply.
Soil condition directly affects crop growth.
Soil is used faster than it is replaced.
Soil cannot be replaced in a short time.
The amount of soil on Earth is unlimited.
The destruction of soil can take just minutes.
Answer:
1, 2, 3, and 5
Explanation:
I tried it and it was right.
Soil is the topmost layer of Earth, contains minerals and organic matter. soil can affect crop growth, used faster than replaced, can't replace in short period, its destruction can occur in just minutes.
What are the characteristics of soil?Soil is composed of organic as well as inorganic materials. It can be of three types, i.e., sand, slit and clay.
The main points to be noted regarding soil are:
Soil can affect crop growth directly or indirectly.Its texture decides the cultivation of crop.Soil is used faster than it is replaced.It is not possible to replace soil in short period of time.Soil can be destructed within some minutes.Percentage of presence of sand, slit and clay gives proper texture to soil.Thus, option 1, 2, 3 and 5 is correct.
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On which part of the compound light microscope are specimens placed for viewing?
B
D
E
F
The answer is Part D.
.
.
.
Specimens are placed on the stage of a compound light microscope for viewing (D) Stage. Therefore , (D) Stage is correct .
Here is a brief explanation of each component:
(A) Arm: The arm is a structural component that supports the microscope head (or body) and connects it to the base.
It provides stability and allows for the movement of the head in a vertical direction to adjust focus.
(B) Head (Body): The head, also known as the body, houses the optical components of the microscope. This includes the eyepiece (ocular lens) and the objective lenses.
Users typically look through the eyepiece to view the specimen. The head may also have additional features like the fine and coarse focus adjustments.
(C) Eyepiece (Ocular Lens): The eyepiece is the lens that you look through when using the microscope.
It magnifies the image produced by the objective lens and typically provides a standard magnification, such as 10x. Some microscopes have eyepieces with a built-in pointer or reticle for measurement.
(E) Nosepiece: The nosepiece is a revolving turret located under the objective lenses.
It holds multiple objective lenses of varying magnifications, allowing users to switch between them easily by rotating the nosepiece.
(F) Base: The base is the sturdy and flat lower part of the microscope that supports the entire instrument. It provides stability and balance to prevent the microscope from tipping over.
In some microscopes, the base houses the illuminator (light source) and electrical components for lighting the specimen.
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Which of the following correctly describes binomial nomenclature?
Genus followed by species
Written in Greek or Latin
Italicized when typed, underlined when written
Species followed by genus
Underlined when typed, italicized when written
It includes 3 names
Which feature would you expect to find in a population in which sexual
selection depends on male competition?
Bright-coloured males are the feature which is expected to be seen where se×ual selection depends on male competition.
What is Competition?This is a condition in which two or more parties strive for a common goal which can't be shared.
Bright-coloured males will attract mates through their colour which gives them an advantage over the others during se×ual selection.
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Which of the following explains Darwin's theory of natural selection?
1. Individuals in a population with traits best suited for that environment survive and increase in number.
2.Present organisms are related to and descended from past organisms.
3.More recent species of organisms are changed descendants of earlier species.
Shorelines change rapidly. Erosion and deposition are two processes with opposite effects that shape shoreline features. Which of the following shoreline processes is an example of deposition? A. carving of sea cliffs by waves B. breakdown of gravel into sand C. wave removal of sand from beaches D. accumulation of mud in bays
Answer:
the answer is d.
trust me I have done this one.
Explanation:
the reason is Erosion is the process by which the surface of the earth is constantly being worn away. On a shoreline, the process of deposition has the opposite effect because materials are "deposited," or accumulated, along the shoreline.
In an ecosystem, accumulation of mud in bays is an example of deposition.The correct option is D.
Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.Accumulation of mud in bays is deposition while the other examples are erosion.
Thus, option is D is correct.
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Which of the following was NOT a major animal on land during the Carboniferous period?
amphibians
insects
both a and b
none of the above
Answer:
The answer should be A
Explanation:
The Carboniferous period was about the time early amphibians showed up, and they were just starting out in the water.
Answer: Amphibians
Explanation:
During the carboniferous period land animals were more diverse because the land areas grew. The four legged tetrapods began to evolve more and more.
During the carboniferous period some reptiles began to have leathery skin on their body. The amphibians usually lived in water not on land during the carboniferous period.
Hence, the correct answer is amphibians.
Which of these organs is found in the digestive system?
A. lungs
B. kidneys
C. stomach
D. heart
PLZ HURRY!!
Answer:
Stomach?
Explanation:
Answer:
C
Explanation:
Stomach is in your digestive system, along with mouth, teeth, tongue, pharynx, esophagus, and intestines.
Which of the following is a feature of all cells?
O
A. All cells have a nucleus.
O
B. All cells have DNA for at least part of their life cycle.
HET
.
O
C. All cells are spheres.
O
D. All cells have a rigid cell wall.
: A. All cells have a nucleus. All cells contain a nucleus, which is the control center of the cell. The nucleus is responsible for controlling the activities of the cell, including the production of proteins and other molecules.
What is the function of a cell ?It also stores the cell's genetic information in the form of DNA. The nucleus is surrounded by a membrane, which separates the nucleus from the rest of the cell. Without a nucleus, the cell would not be able to carry out its necessary functions. B. All cells have DNA for at least part of their life cycle.
All cells contain DNA, which is the genetic material that carries the instructions for how the cell will grow and develop. DNA can be found in the nucleus of the cell, as well as in the cytoplasm. DNA is present in all cells for at least part of their life cycle.
Also, It is responsible for passing on genetic information from one generation to the next and is essential for the growth and development of the organism. Therefore, A and B are features of all cells.
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Which discipline of biology focuses on the cellular level of organization of life?
A.
Molecular biology
B.
Cytology
C.
Genetics
D.
Human physiology
Final answer:
B. Cytology, or Cell Biology, is the discipline of biology that concentrates on the cellular level of organization, studying cell structure and function.
Explanation:
The discipline of biology that focuses on the cellular level of organization of life is Cell Biology, also known as Cytology. This field specifically studies cell structure and function, including the complex processes that occur within cells. While molecular biology deals with the study of molecules such as DNA and proteins, genetics focuses on heredity and the passing of traits from one generation to the next, and human physiology examines the internal functioning of organisms, Cytology is dedicated to understanding cells themselves—productive building blocks of life. All of these disciplines, however, intersect and complement each other within the larger framework of biological sciences.
Using the following information:
The mouse hair color brown (B) is dominant over the mouse hair color white (b). Cross a heterozygous female with a homozygous recessive male.
What would the offsprings genotypes be?
What would the offsprings phenotypes be?
When a heterozygous female mouse (Bb) is crossed with a homozygous recessive male mouse (bb), 50% of the offspring will be brown (Bb) and 50% will be white (bb), demonstrating the principles of Mendelian inheritance.
Explanation:The question involves predicting the genotypes and phenotypes of offspring resulting from a cross between a heterozygous female mouse for hair color (Bb) and a homozygous recessive male mouse (bb), where brown hair color (B) is dominant over white (b). To determine the offspring's possible varieties, we employ the Punnett square method.
Female (Bb) can produce two types of gametes: B and b.Male (bb) can only produce b gametes.By crossing these, we get the following offspring genotypes:
50% Bb - Brown hair color (Heterozygous)50% bb - White hair color (Homozygous recessive)Regarding phenotypes, this means:
50% of the offspring will have brown hair color, displaying the dominant phenotype.50% will have white hair color, showing the recessive phenotype.This example is a simple Mendelian inheritance scenario, illustrating how dominant and recessive traits are passed through generations.
when rocks are exposed to heat, they blank , which contribute to thermal stress
Answer:
Explanation:
When rocks are exposed to heat, they expand, which contributes to thermal stress. As the rocks absorb heat, their particles gain energy and move apart, causing the rock to expand. When the heat is removed or the temperature cools down, the rocks contract as they lose energy, causing them to shrink. These cycles of expansion and contraction due to temperature changes can create thermal stress within the rocks, potentially leading to cracking or fracturing over time. This process is known as thermal expansion and contraction, and it can be a significant factor in the weathering and breakdown of rocks in natural environments.
You'll need to select a sample that represents a larger group when you're conducting
A. a case study. B. archival research. C. survey research. D. naturalistic observation.
Final answer:
You'll need to select a sample that represents a larger group when you're conducting survey research, as it allows for the collection of data from a designated group of respondents to understand broader population characteristics.
Explanation:
You'll need to select a sample that represents a larger group when you're conducting survey research. Survey research involves collecting data from a predefined group of respondents to gain information and insights on various topics of interest. Selecting a representative sample is crucial in survey research because it allows researchers to generalize the findings from the sample to the larger population. Surveys can be administered in various ways, such as online, by phone, or in person, and they enable researchers to collect vast amounts of data relatively quickly. However, it's important to note that the depth of information obtained may not be as detailed as that from methods like case studies or in-depth interviews.
Look at this picture of a frog.
Which sphere does the frog belong to?
atmosphere
biosphere
geosphere
hydrosphere
Which of the following best states the difference between inductive reasoning and deductive reasoning?
Answer:
The correct answer is D
Answer:
Inductive reasoning goes from specific to general, and deductive reasoning goes from general to specific. (Ans D)
Explanation:
Deductive reasoning start out with a general principle (hypothesis) and examine the possibilities to reach a specific conclusion. Inductive reasoning where true premises develop a valid conclusion.
Inductive reasoning goes from specific information to general. Inductive reasoning where the premises support the conclusion.
Organisms show slowed growth during the what seasons
Answer:
In the Spring
Answer:
its in the spring but they deleted all of our convos!
Explanation:
which molecule is called the "molecule of hereditary?
Answer:
DNA
Explanation:
Experiments such as the one by Frederick Griffith in 1928 showed that DNA is the hereditary molecule. How showed that virulent bacterial species could transfer DNA to avirulent species and make them virulent too. This means that DNA determines the characteristic of the individual and can be passed down or across generations.
Answer:
Molecule which called the molecule of hereditary is DNA, or deoxyribonucleic acid,the hereditary material in humans and almost all other organisms,Most DNA is located in the cell nucleus.
Explanation:
The genetic information that make persons are different from each other and transform from parents to offspring by a process called heredity, this information stored in DNA as a code made up of four chemical bases: adenine (A)guanine (G)cytosine (C) thymine (T)DNA bases pair up with each other to form units called base pairs:A with T
C with G
Each base is also attached to a sugar molecule and a phosphate molecule. Base+ sugar molecule+phosphate= Nucleotide. The DNA is consists of nucleotide that arranged in two long strands that form a spiral called a double helix as in figureDNA can replicate (make copies of it self), and this is very important during cell division, because the new cells need to have new DNA.Learn more about :
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DNA\ heredity\ replication\ helix\ nucleoide\ gene\ genetics.Which of the following is a detritivore?
A. Radish
B. Elephant
C. Earthworm
D. Jaguar
A detritivore is a animal that feeds on dead organic matter. A good example for a detritivore will be option C "Earthworm." A Earthworm feeds on dead organic matter such as dead plants, animals, rotten fruit, etc...
Hope this helps.
Call poison control for someone who has swallowed poison.
O
A. True
B. False
Is this true or false ?
Answer:
A. True
Explanation:
You should always call poison control for someone who has swallowed poison.
The statement "Call poison control for someone who has swallowed poison" is definitely true.
What is Poison control?Poison control may be defined as a method of monitoring the individual and prescribing immediate treatment to the person who swallowed poison.
Poison control centers are built in order to provide immediate treatment to the person who swallowed poison through telephonic methods.
Therefore, the above statement is definitely true.
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A(n)_____ Element is one in which the nucleus breaks down and gives off particles and energy
Stable
Gaseous
Metallic
Radioactive
Answer:
It's D. Radioactive element.
Explanation:
Hope my answer has helped you!
Answer : The correct option is, Radioactive.
Explanation :
Radioactive element : It is an element in which the nucleus breaks down and gives off energy and particles.
Radioactive decay : It the process in which an unstable atomic nucleus loses energy by emitting the radiations like, alpha particles, beta particles, or gamma rays.
The radioactive materials have unstable nuclei.
The naturally occurring radioactive elements are, radium, thorium, and uranium.
Thus, a radioactive element is one in which the nucleus breaks down and gives off particles and energy.
which group advises community gardens about fresh fruits and vegetables
A. Supermarket Workers
B. Cooperative extension service
C. Sanitation Workers
D. Pharmacists
Answer: the answer is b
Final answer:
b) The Cooperative extension service advises community gardens about fresh fruits and vegetables, offering programs that support agricultural education and enhance food security.
Explanation:
The group that advises community gardens about fresh fruits and vegetables is the B. Cooperative extension service. Cooperative extension services play a crucial role in agricultural education and food security, providing expertise and guidance on growing practices, pest management, and nutrition. These services support local communities by increasing access to fresh produce, which is essential for maintaining a healthy diet.
Cooperative extension services offer numerous programs to assist community gardens. For example, volunteer efforts with Extension can involve vegetable and fruit gardening classes, educational booths at farmers markets, and collaboration with food pantries to improve the availability of fruits and vegetables. Furthermore, these services aid in the delivery of regionally grown farm produce to various community institutions, promoting the consumption of healthy foods.
how would you best describe the role of gene expression in cells brainly
A- cells destroy the DNA of genes that they do not use
B- when cells divide in mitosis, They pass on only the genes that are required.
C- To become specialized, cells need to control the production of proteins coded for in their dna
D- all genetic information in a cells DNA is fully expressed at all times.
Answer:
To become specialized, cells need to control the production of proteins coded for in their dna. ( C-)
To become specialized, cells need to control the production of proteins coded for in their dna best describe the role of gene expression in cells. Thus, the correct option is C.
What is gene expression?Gene expression is defined as the process by which information encoded in a gene give rise to the production of a protein.
When a gene is expressed, it permit the cell to take part in a specific function or mechanism.
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Interpretations based upon emotions or opinion are considered:
Answer:
Subjective, or biased
Explanation:
It biased or subjective because it is based on how we feel instead of facts.
Interpretations based upon emotions or opinion are considered as subjective or biased.
Why interpretations based on emotions and opinions are considered as subjective?
It is considered as subjective or biased because it is based on how we feel instead of facts.
The nature of emotions begin with an event that activates feeling.
The interpretation are subjective when are based upon these feelings.
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Which statement best describes a dominant allele?
A. The version of the trait that is expressed only if the individual is
homozygous for that trait
B. The version of the trait that is expressed over other alleles for the
same trait
C. The version of the trait that is more beneficial to the individual's
survival
D. The version of the trait that is expressed only if the individual is
heterozygous for that trait
Answer:
D. The version of the trait that is expressed only if the individual is heterozygous for that trait
Explanation:
Dominant alleles are alleles that can hide the presence of a different allele [which is the recessive allele].
I hope this helps so long as I am not sure about this one, but if this is the correct, I guess you can mark five ✨ on this one, and as always, I am joyous to assist anyone at any time.
The dominant allele is the version of a gene that is expressed over other alleles for the same trait. It is the allele whose characteristic is observed when present in a gene pair.
Explanation:The statement that best describes a dominant allele is: 'The version of the trait that is expressed over other alleles for the same trait'. This is because the dominant allele refers to the version of a gene that will be expressed regardless of the other allele present in the pair. For example, if we have two alleles, A (dominant) and a (recessive), and the individual has the pair Aa, the characteristic related to the allele A will be the one observed, as A is the dominant allele.
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Conservationists establish that the carrying capacity of a population of deer in an extensive geographical area is 945. The current population of deer is 1,100. What is likely to happen to the population of deer?
Answer:
It will decline
Explanation:
If the carrying capacity of a population of deer is 945 in a particular area, but the population has reached the number of 1,100, then the population of deer will start to decline. The reason for the decline that will occur is that the environment can not support with food sources more then 945 deer. Since the food sources will be declining rapidly, the deer population will be left will very little food. This will lead to competition between the deer themselves, so only the strongest and fittest will survive, while the weaker ones will starve to death. The population will experience a rapid decline to the point where the food sources are just about right to support the population.
Answer:
Decline
Explanation:
If above the carrying capacity, not enough resources such as food, can not be distributed in a proper amount until then, the population declines to the established carrying capacity
1. Which scientist developed the heliocentric model for the solar system?
A. Johannes Kepler
B. Copernicus
C. Aristotle
D. Ptolemy
The scientist who developed the heliocentric model for the solar system is option B. Copernicus.
What is a heliocentric model?The heliocentric model proposes the Sun as the center of the solar system, rather than Earth, as was believed according to the geocentric model. The model was proposed by Nicolaus Copernicus in the 16th century that described the idea of the heliocentric model of the world with detailed data concerning the movements of the planets and the Sun.The heliocentric model is the view that proposed the Sun as the center of the solar system. It stated that the earth revolved around the Sun, not the other way round, as proposed by the geocentric system. Although the Copernican model also believed the orbits of the planets to be circular, they are actually elliptical.Hence, the scientist who developed the heliocentric model for the solar system is option B. Copernicus.
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What makes a fossil an index fossil ?
Explanation:
A fossil is an index fossil when it is distinctive, abundant, and limited in geological areas. A good index fossil lived for a short period of time so that the range of ages of the strata in which the index fossil is located is small. A good index fossil is found in a wide geological range.
A fossil is an index fossil when animals or plants preserved in the rock record of the Earth is characteristic by a particular span of geologic time or environment.
Answer:
the fossil was formed only during a certain short time period
Living organisms respond to changes in environmental conditions such as temperature. Which series lists the correct order in which the body would respond to such a change?
tissue, cell, organ, organ system, organism
tissue, cell, organ system, organ, organism
cell, tissue, organ, organ system, organism
cell, tissue, organ system, organ, organism
Answer: Cell, tissues, organ, organ system, organism
Explanation:
Living beings shows several changes occurring in the environment by their sensibility.
Cell, tissues, organ, organ system and organism is the correct order of sensing the changes occurring in the external environment of the organism such as temperature change. The cell is the smallest unit of the organism body. The group of cells called as tissue. The group of tissues forms the specialized structure that is called as organ. The organ performs functions in the body of the organism.
The cells exhibit receptors which transfer the information to the tissues, the tissues form the organ system, the organ and organ system generates the mechanism of homeostasis to control the body regulation according to the changing external temperature. Thus the organism survive in the changing temperature.
9. What area of study applies scientific findings to create ways for solving problems
or improving life?
A biogeology
B mathematics
c manufacturing
D engineering
Answer:
Engineering
Explanation:
Engineering applies scientific findings to create ways for solving problems since it introduces advancements in society.
Answer:
D engineering
Explanation:
How does the phosphorous cycle differ from the nitrogen cycle and the carbon cycle?
A.
The phosphorous cycle enters both water and atmosphere, unlike the nitrogen cycle and the carbon cycle.
B.
The phosphorous cycle occurs only in the atmosphere, unlike the nitrogen cycle and the carbon cycle.
C.
The phosphorous cycle does not enter the atmosphere, unlike the nitrogen cycle and the carbon cycle.
Answer:
a
Explanation:
a
Answer:
The answer is C.
Explanation:
Just took the test.
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