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Posted in Biology

When individuals change in response to challenges from their environment, their altered traits are passed to offspring?


Yes they can be passed down to the offspring


Related Questions

Posted in Biology

Where are traits stored in the nucleus?

Traits are located on "Chromosomes" in the nucleus

Hope this helps!

Posted in Biology

What is the probability of an offspring inheriting to the recessive trait if its parents are both heterozygous?

For this you would use a punnet square (ill try my best to show it while typing)
heterozygous means different, so you have parents with alleles shown as Dr (D=dominate, r= recessive) since they cant have 2 dominate alleles. 


     D     r
D Dr  Dr
r  Dr  rr

to get the recessive trait you must have an allele shown recessive homozygous

since there are only 1 pair shown as rr out of 4 possibilities you'd have 1/4 which is 25%

25%

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Posted in Biology

If two organisms have different traits, then they probably

Dont live in the same climate or region. Just a guess. Hope this helps.

Posted in Biology

The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. Before the change, the atoms are close together but are able to slide past one another. Which arrow represents the change of state described above? M- gas to solid N-liquid to gas P-solid to liquid Q-liquid to solid

The correct option is this: Q - LIQUID TO SOLID.

Looking at the information given above, we are told that, before the change, the atoms are close together but are able to slide past one another. This is one of the characteristics of liquids, the particle in liquids are held together by inter molecular forces but they are still able to slide past one another. So, this tell us that, the substance was originally in the liquid state.

We are also told that, the atoms of the substance lose energy during the change of state. If there is a loss of energy, it means that, the little energy that the particles had before, which they were using to slide past one another is now removed and the particles becomes more compact. This implies that, the substance changes to solid. If the substance change to gas, there would have been gain of energy not loss. Therefore, the correction option is D. The substance change from liquid state to solid state.

Posted in Biology

What would cause this change in water temperature, and how will this change most likely affect species distribution?

Think of gold fish that you get from the fair.. why cant we put them in water from the drain right away? because it kills them. so the water changing can hurt the species because its a change in habitat 

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Posted in Biology

During the development of human offspring, which of the following begins to hear and see? A.fetus B.embryo C.blastocyst D.zygote

Correct answer: A). Fetus

A fetus is a prenatal stage between the embryonic stage and birth. In the human it starts after a ninth week of fertilization and goes until birth.

The eyes of the fetus open first in the 26 to 28 weeks and ear. The baby in the uterus begins to hear after 18 weeks of pregnancy.  

Rest all zygote is formed after fertilization, and after two weeks of fertilization zygote turns in to an embryo.

So, the correct answer would be Fetus.


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Posted in Biology

Why did Mendel prevent his plants from self-pollinating? to control the crossing of the traits in order to insure that each plant's offspring would remain identical to the parents to maintain a pure strain so they could not produce offspring

The answer is to control the crossing of the traits.

The idea of preventing plants from self-pollinating is to control the crossing of the traits. If plants were self-pollinating, he could not know if the traits are inherited from the same plant or from the other. By preventing this, he could cross parents with known phenotype and that way learn about crossing process and inheriting process.

Posted in Biology

How is it possible for an offspring to exhibit a recessive trait if neither parent exhibited that recessive trait? What must be true about the parents’ genes for this to occur?

To exhibit a recessive trait, an individual must have two recessive alleles responsible for the trait. One recessive allele is from a mother and another is from a father. However, if a person has one dominant and one recessive allele, it will not exhibit the recessive trait. This is because recessive allele will be masked by the dominant allele. So, parents must be heterozygous (one dominant and one recessive allele) and must give their recessive alleles to the offspring so that only offspring exhibit the recessive trait.

Posted in Biology

Which trilobite characteristic did not change through time? a. shape of eyes c. number of body segments b. 3-lobed body d. number of spines d. number of spines is a trilobite characteristic does not change through time.

The right answer is the lobed body.

The name trilobite comes from the subdivision of the body into three longitudinal lobes:

A medial lobe, the rachis,

And two lateral lobes, the pleura.

There is also a subdivision into three regions from front to back: the cephalon ("head"), the thorax and the pygidium ("tail").

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Posted in Biology

The exchange of oxygen for carbon dioxide occurs in the:

The exchange of oxygen for carbon dioxide occurs in the "Alveoli"

Hope this helps!

Posted in Biology

How can people change a beach? is the changes helpful or harmful?

They can change the beach by..
• recycle the bottles there
•clean up after you are there
•protect the wildlife that's there

That would be helpful because the animals get to live longer and others wouldn't get hurt from broken glass.

Hope this helps!

Posted in Biology

How can people change a beach? is a change helpful or harmful?

People can change the beach by cleaning it up. This change can be helpful.

Posted in Biology

What type of channel is responsible for the initial changes in the membrane potential of the hair cells, which ultimately determines the cochlear nerve response to sound?

The type of channel that has the capability of making initial changes in regards with the membrane potential of the hair cells and in the same time, determines the cochlear nerve in response to sound is the mechanically gated. They are also responsible for responding to mechanical stress.

Posted in Biology

The first of the two undeniable facts is that any localized population of a species has the potential to produce far more offspring than the local environment can support. this fact is important to understanding evolution because it means that __________.

It seems that you have missed the necessary options for this statement to be complete, but anyway, here is the correct answer. The first of the two undeniable facts is that any localized population of a species has the potential to produce far more offspring than the local environment can support. this fact is important to understanding evolution because it means that the population will ultimately overwhelm its environment, causing the environment to collapse. Hope this answer helps.

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What can happen to enzymes if pH, temperature, or concentration changes?

Enzymes (Catalysts) work best under specific conditions. If those conditions, e.i. pH, temperature or concentration, changes, then they may not work properly. 

Posted in Biology

A researcher is using a particle accelerator in an experiment studying isotopes. How can the researcher change one isotope into a different isotope of the same element? by removing valence electrons by adding valence electrons by adding or removing protons by adding or removing neutrons

Answer: by adding or removing neutrons

Explanation: Isotopes are the elements which have same atomic number but different mass number.

Atomic number is the number of electrons or number of protons in a neutral atom.Mass number is the sum of number of protons and the number of neutrons.

Thus changing the number of electrons would lead to formation of ions of the same element, change in protons would change the atomic number.

The mass number is changed by adding or removing neutrons.

For example, _6^{12}\textrm{C} and  _6^{14}\textrm{C} are isotopes of carbon element, containing 6 electrons and 6 protons each. The number of neutrons are 6 and 7 respectively.

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