Scientists use whale flukes to identify individuals in a population. Which of the following characteristics of a whale fluke is not a genetic variation passed on from parent to offspring?
A.) Coloration of the fluke
B.) Shape of the fluke
C.) Size of the fluke
D.) Scars on the fluke
Answer:
The correct answer is option D, Scars on the fluke
Explanation:
The naturally existing characteristics such as colour, shape and size of any organism are linked to the genetic traits expressed. Only genetically controlled characteristics are passed on from generation to generation.
However, scars on the body (are caused due to external environmental factors) are not genetically controlled feature and thus it will not be passed on from parents to offspring.
Answer:
I just took the test
Explanation:
the correct answer is D. Scars on the fluke.
Animal cells contain all of the following structures EXCEPT a A) nucleus. B) cell wall. C) mitochondria. D) Golgi apparatus.
Martin buber states that "i-it" and "i-thou" represent two ways in which humans can relate to one another. what is the difference between these two types of relationships?
The difference is that
I-It" relationships are stable, predictable, and detached.The I-Thou relationships does takes place relations with nature, humans or with spiritual beings. It is often due to both at moments of real dialogue or indifference.
This relationship is known by mutuality, being direct, being present, intensity etc. Buber stated that it is a bold leap into the experience of the other.
I-It is a relationship of subject-to-object.
Conclusively, based on Buber interpretation, human beings do uses two attitudes toward the world that is the I-Thou or I-It.
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Martin Buber states that "I-It" and "I-Thou" represent two ways in which humans can relate to one another. What is the difference between these two types of relationships?
A. "I-It" relationships are difficult to create and sustain.
B. "I-Thou" relationships are not necessary for a rich life.
C. "I-Thou" relationships are based on what other people can do for us.
D. "I-It" relationships are stable, predictable, and detached.
Looking at the line plots on your graph, describe how boiling point and melting point vary with respect to atomic number.
5.How does temperature change affect surface tension?
What is the relationship between inherited traits and proteins?
Answer:
2021 anyone?
Explanation:
define density write the formula (from memory ) and give two different units used to measure density
Answer:
Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimeter. Density can also be expressed as kilograms per cubic meter (in MKS or SI units).
Explanation:
convert 21.0 cm to inches. Show your dimensional analysis setup
A client who is pregnant for the first time attends the prenatal clinic. she tells the nurse, "i'm worried about gaining too much weight, because i've heard that it's unhealthy." how should the nurse respond?
Answer:
After getting pregnant, an expecting mother should attain about fifteen to twenty-five pounds of weight, which is regarded as healthy and normal. The majority of expecting mothers only achieve a gain of about 2.5 pounds at the time of the first trimester. However, a gain in weight of about one pound in a week all through the left part of the pregnancy is considered quite normal.
List the four classes of organic macromolecules
Help, please
14. How does the camouflage of a butterfly’s cocoon relates to function
Answer:
Butterfly cocoon camouflage is related to the protective function because it prevents the cocoon from being attacked by predators.
Explanation:
The cocoon of butterflies and moths has the function of protecting the larva during metamorphosis. Some species, however, present the cocoon with the ability to camouflage the surrounding environment. This camouflage provides even greater protection as the cocoon is disguised and goes unnoticed by the attention of predators.
What do scientists need to look at before developing an argument?
A scientific argument is known as people fail to agree about scientific claims using experimental data to prove their arguments. It is used by scientist to complete their research activities. Before developing an argument scientist need to look at the authenticity of the data, declarations, supposition or proposed explanation made on the basis of limited evidence and observations. These arguments are based on the proofs that are present. Therefore, they make sure that they are verified.
The _______ is the body's slow-acting control system and acts by means of _______.
The endocrine system is the body's slow-acting control system and acts by means of hormone.
what are the properties of hormones ?Hormones are the chemicals secreted within the human body from endocrine gland under the controlled activities of the body, the hormones are released to the blood.
It act as a messenger and Blood act as a carrier to transmits them to various organs and tissues of the body, then hormones bind to the receptors of the target site, followed by transmission of the message to the organ or tissue.
Hormones have a low molecular weight, easily pass through capillaries, act in low concentration, soluble in water, non-antigenic, organic catalysts, act as coenzymes.
Hormones cause a limited number of reactions, can not affect any metabolic activities of a cell, after their function of hormone is over, they are converted into degradable form and excreted or inactivated, the activity is non-hereditary.
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The nurse is preparing a care plan for a patient with a cardiovascular disorder. which intervention would the nurse perform in order to provide effective care for the patient?
Imagine that the membranes in parts A and B make up the wall of the human heart or the wall of a blood vessel. Based on what you know about mechanical stress, what do you think high blood pressure over extended periods of time can do to such walls?
Answer:
It is the answer the other person put I used it
Explanation:
Which factor would most likely speed up the rate of succession?
If someone told you that a blade of grass, the Sun, the air you breathe in your body were composed of the same icredibly small particles would you believe them why or why not?
The functions of the body that operate outside of conscious awareness are governed by the _______ nervous system.
a medical researcher hypothesizes that a new drug can reduce cholesterol. which of these would most likely be the dependent variable in the study involving this medication?
A) the number of participants in the study
B) the ages of the people treated for cholesterol with other medications.
C) the cholesterol level of the participants in the study
D) the number of people treated for high cholesterol with other medications
The dependent variable in a study of a new drug's effect on cholesterol would be the cholesterol level of the participants in the study, as this is the variable being measured for any changes.
Explanation:In a research study, the dependent variable is the outcome that is measured; it's the variable that changes as a result of manipulation or variation of another (independent) variable. In this case, the medical researcher is studying how a new drug affects cholesterol levels. Therefore, option C) the cholesterol level of the participants in the study, would be the dependent variable. This is because the cholesterol level would vary (or 'depend') on the administration of the new drug, making it the variable that the researcher is most interested in measuring the changes of.
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All living things are able to maintain stable internal conditions, whether they are unicellular or complex, multicellular organisms. this property is called:
which tool is most likely used during a field investigation?
microscope
x-ray diffraction
altimeter
hydrometer
The nurse is conducting a prenatal class explaining the various activities which will occur within the first 4 hours after birth. the nurse determines the session is successful when the couples correctly choose which reason for the use of an antibiotic ointment?
Which element is capable of forming long chains by forming single, double, or triple bonds with itself?
Hydrogen
Oxygen
Carbon
Nitrogen
As skin cells are _____________, meaning they are mitotically active and continue to transition through the cell cycle, the wound should be healing. permanent stable labile
Scientists distinguish whether an entity is living or nonliving by describing the _____ of life.
a.characteristics
b.value
c.length
d.quality
Anders is in his mid-fifties. anders can expect that he will experience a gradual decrease in _____.
Anders, in his mid-fifties, can expect decreases in stamina, strength, reflex times, and sensory abilities as he ages, along with cognitive changes and a less efficient immune system.
Explanation:Anders, being in his mid-fifties, can expect a gradual decrease in several physical and cognitive abilities as he transitions into old age. This includes a decline in stamina, strength, reflex times, and sensory abilities such as vision and hearing. Additionally, cognitive changes like a decrease in brain cell numbers and reduced efficiency of the immune system are common, increasing the risk of illnesses and conditions such as Alzheimer's disease. It's important to note that while these declines are common, there is considerable individual variation in how and when they manifest.
Inactive or stored energy is called kinetic energy.
a. True
b. False
It is false that inactive or stored energy is called kinetic energy.
The energy an object has as a result of its motion is known as kinetic energy. An object in motion has the capacity to transfer energy and perform work.
Kinetic energy is not the same as stored or inactive energy. It's referred to as potential energy.
While potential energy is the energy an object has as a result of its position or state, kinetic energy is the energy connected to motion.
Thus, the statement "Inactive or stored energy is called kinetic energy." is false.
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Explain why anatomical and molecular features often fit a similar nested pattern. in addition, describe a process that can cause this not to be the case.
Which is the best criteria to use when classifying cells as either eukaryotes or prokaryotes?
Cells are classified as eukaryotic or prokaryotic based on the presence of a membrane-bound nucleus and organelles. Eukaryotic cells have these structures, while prokaryotic cells do not. Techniques like ribosomal RNA gene sequencing have reinforced the classification and evolutionary relationships.
The best criteria to use when classifying cells as either eukaryotes or prokaryotes involve noting the presence or absence of a membrane-bound nucleus and organelles. Eukaryotic cells have membrane-bound organelles, including a nucleus, which houses the cell's DNA. In contrast, prokaryotic cells lack a membrane-bound nucleus and organelles. Bacteria and Archaea are examples of prokaryotes, whereas animal cells, plants, fungi, and protists are eukaryotes. Biologists like Carl Woese have studied cells and their classifications by using techniques such as ribosomal RNA gene sequencing to determine the evolutionary relationships between these two groups.
Most extinction is ________.
a. gradual, generally occurring when species cannot adapt genetically to changes in environmental conditions
b. the result of slow climate change
c. the result of environmental catastrophe
d. problematic for generalists
e. not often a problem for endemics
An extinction event is a well-known and quick decrease in the biodiversity on Earth. Such an occurrence is recognized by a sharp change in the diversity and abundance of multicellular organisms. It happens when the rate of extinction surges with respect to the rate of speciation. In other words, this happens when species cannot adapt generally to the change in the environment. So the correct answer would be letter a.
The majority of extinctions take place gradually, usually because a species fails to adapt genetically to shifting environmental circumstances. It is not always tied to environmental catastrophes or climate changes. Specialists or endemic species, which have adapted to a specific environment, are more prone to extinction than generalist species.
Explanation:Most extinction is gradual, generally occurring when species cannot adapt genetically to changes in environmental conditions (Option a). This is primarily due to the slow nature of genetic evolution which cannot keep pace with sudden drastic changes in environmental conditions. Over the vast geological timescales, many species have disappeared due to such inability to adapt. It is not always linked to catastrophic events or climate changes. Moreover the problem of extinction more critically affects specialists and endemics, rather than generalists. Specialists or endemics are species that are adapted to a very specific type of environment, and hence have less flexibility to adapt to changes compared to generalists.
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