Answer:
a) The change in the character of an organism relies upon the ability of the adaption on the base of the external change or the environment change, "An organism that is not able to adapt accordingly would not survive and eliminated from the population."
b) In the given case, Symmetric wings are far more suitable for the survivorship as it provides better flight than the organism with asymmetric wings, it is also given that there is 20% of the population have asymmetric wings.
After the storm which is selection pressure, there is the elimination of the entire bird population with asymmetrical wings from the ecosystem so the final frequency would be 100% of the entire population with symmetrical wings.
Natural selection benefits the phenotype that increases the fitness. a) Symetrical wings increase the fitness of finches because they are better to face selective pressures. b) natural selection will favor symmetrical wings.
-------------------------------------
a) Hypothesis:
Symmetrical wings increase the fitness of finches because these type of wings are better to face selective pressures like severe windstorms.
b) If such storms become increasingly common with time, natural selection will favor symmetrical wings by increasing its frequency in the population, while animals with asymetrical wings will decrease to near cero.
Natural selection is an evolutive force that selects beneficial alleles and increases their frequency in the population. It is the result of the phenotype-environment interaction which determines gene destiny in space and time. Natural selection results in adaptation, which means the increase of the aptitude phenotype. Aptitude is the contribution of each genotype to the next generation. Aptitude (or fitness) is reflected by the phenotype that results in the survival, fertility, and capability of having a mate. Adaptations can be correlated to environmental factors or selective pressures applied by other organisms or habitats. The selective agent is the environmental trait that determines the differential survival of the phenotypic classes. The environment influences the probability that each genotype passes its gametes to the next generation.So in this example,
⇒ The strong storms are acting as selective pressures.
⇒ This selective pressure is modeling the phenotype of finches.
⇒ Natural selection favors the phenotype that performs better when facing storms.
⇒ Symmetrical wings are the phenotype that better suits and increases the animal's fitness.
⇒ Hence, natural selection favors this phenotype over asymmetrical wings.
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An animal dies in mud, decomposes, and leaves an imprint, which is later filled by sediment to form a solid copy of
the original organism.
How is this fossil different from fossils of preserved remains?
3
Only hard tissue is preserved.
O Hard and soft tissues are preserved.
O Only soft tissue is preserved.
O There is little change to the preserved organism.
Answer/Explanation:
Only the soft tissue is preserved. Normally the hard tissues are preserved(bones). But since the bones decomposed and was later filled with sediment, only the soft tissue was actually left by the animal.
Answer:
only hard tissue is preserved
Explanation:
took the test
What is the approximate value of tan C?
Answer:
.38
Explanation:
I did it
what did the famous experiment by Louis Pasteur demonstrate?
Answer:
Explanation:
Louis Pasteur's pasteurization experiment illustrates the fact that the spoilage of liquid was caused by particles in the air rather than the air itself. These experiments were important pieces of evidence supporting the idea of germ theory of disease
Chloroplasts are double membrane organelles with a smooth outer membrane and an inner membrane that is folded into disc-shaped sacs called the thylakoid. Thylakoids contain chlorophyll and other pigments (red, orange, yellow, brown) and are found in stacks
called granum (grana, plural.)
This organelle is used to:
A. perform the process of cellular respiration.
B. expell O2.
C. create ATP.
D. covert solar energy into chemical energy.
Answer:
D. convert solar energy into chemical energy.
Explanation:
Chloroplasts are the organelles that carry out photosynthesis. They contain chlorophyll, which traps light energy from sunlight to power chemical reactions that produce glucose.
The solar energy is converted into chemical energy, which is used to synthesise glucose, along with carbon dioxide and water. The reactions produce glucose and release oxygen as a byproduct.
Can you identify the steps in the scientific method that correspond to Hunt's experiments?
Drag each statement under the step in the scientific method that it demonstrates.
The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities.
The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities.
The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A.
The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A.
Could bisphenol A from the plastic be affecting the mice in the damaged cages?
Could bisphenol A from the plastic be affecting the mice in the damaged cages?
If mice are exposed to elevated levels of bisphenol A, the frequency of genetic abnormalities in these mice will increase
Answer:
- The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities: Observation
- The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A: Hypothesis
- Could bisphenol A from the plastic be affecting the mice in the damaged cages?: Question
- If mice are exposed to elevated levels of bisphenol A, the frequency of genetic abnormalities in these mice will increase: Prediction.
Explanation:
The scientific method is an empirical methodology used by scientific disciplines to acquire knowledge. This method provides a standardized and objective approach to make investigations (and thus obtain knowledge). The scientific method consists of 1-to make a question in order to explore a phenomenon of the natural world; 2- to raise a hypothesis, i.e., a plausible explanation of the question and deriving predictions if the hypothesis is true, 3-to make experiments and/or observations and, finally, 4-to arrive conclusions, which are the answers derived from the experimental procedures.
In the diagram of a cell below, the structure labeled Xenables the cell to
C.
A)
release energy
B)
store waste products
C)
control nuclear division
D)
manufacture proteins
How might the digestive system and the immune system interact to help protect the body?
Please i need a correct and accurate answer. ++ giving brainliest
Answer:
Around 70% of our immune system dwells in our digestive tract in the form of gut-associated lymphoid tissue (GALT). An important component of our immune system called plasma cells (which give rise to invader-defending antibodies) also reside within the GALT. Our gut is the major channel between the external environment and the internal systems of our body. It is exposed to plenty of germs and harmful invaders such as bacteria and viruses present in food particles on a daily basis. [1] These toxic agents are perceived by the immune system in the gut as being harmful to our body and attacked. That being said, our body does not reject everything we put into it. This process is known as tolerance. When our immune system rejects an otherwise harmless substance, we are labeled as being sensitive or allergic to that food/food ingredient.
Explanation:
Hope this helped!
Only ___________ cells can be viewed under an electron microscope because of the radiation it sends out.
An electron microscope provides clearer, more detailed images than light microscopes.
Organellesthat can be viewed under electron microscope are ribosomes, vacuoles, Golgi body, rough endoplasmic reticulum, smooth endoplasmic reticulum, mitochondria, nuclear membrane, nuclear pores, nucleolus.
How does the volume of urine change over time?
Answer:
An excessive volume of urination for an adult is more than 2.5 liters of urine per day. However, this can vary depending on how much water you drink and what your total body water is. This problem is different from needing to urinate often. hope this helps :)
Explanation:
PLZZ HELP ASAP 10 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER...
ANY FAKE ANSWER WILL BE REPORTED AND DELETED.
A storm surge is characterized by
large hail.
strong winds.
severe lightning.
coastal flooding.
Answer:
A storm surge is characterized by coastal flooding.
Explanation:
A storm surge is a rise in sea level that occurs during tropical cyclones, intense storms also known as typhoons or hurricanes. The storms produce strong winds that push the water into shore, which can lead to flooding. This makes storm surges very dangerous for coastal regions.
I hope this helped :)
Answer:
D. Coastal flooding
( Hope this helps ) <3 ( Give person above brainliest )
How does natural selection lead to the development of antibiotic-resistant bacteria?
Answer:
Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.
Survival of the Fittest (Natural Selection):
When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving any surviving bacteria to pass on their resistant features to succeeding generations.
Answer:
This is super easy. In every population you have differences between the individuals in that population. If you apply a selection pressure to that population (like antibiotics to bacteria), you will kill all the bacteria that do not have the ability to withstand the drug. Thus, you have selected for those bacteria that happen to have a better ability to withstand it.
Any one can please fill all the labellings
Answer:
Explanation:
1-Ilium
2-Sacroiliac joint
3-Coccyx
4-Pubic crest
5-Acetabulum
These are all parts of the pelvis. The pelvis is located at the lower part of the trunk of the human body. It is between the abdomen and thighs. It is also called the pelvic region. The pelvis plays a vital part in locomotion since the pelvic girdle can transmit the body weight through it.
Which of these is an example of an interaction between Earth’s spheres that takes a very long time to happen?
Select one:
1.A horse drinking water
2.A person taking a breath
3.A lightning strike
4.Mountains forming
Note: if right ill make you brainiest
how can the people who take antibiotics increase resistant bacteria populations? Please answer using the scientific method!
Answer:
How do bacteria become resistant to antibiotics? Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm.
Need help ASAP please
Answer:
A. Dominant because it occurs in every generation
The_________ of water molecules and the hydrogen bonds between water molecules explain most of water's life-supporting properties. The______ of water molecules to each other helps transport water from the roots to the leaves in plants. When water warms or cools, either break or form. Thus, water absorbs or releases a great deal of_______ , helping to moderate temperatures. Because_______ is less dense than liquid water, it floats and protects lakes and oceans from freezing solid. Water is a versatile . Blood and other biological fluids are aqueous solutions with a diversity of dissolved .
Answer:
The correct words that film in the blanks are;
Polarity
Cohesion
Hydrogen bonds
Heat
Ice
Solvent
Solutes
Explanation:
Water is a highly polar molecule. Its polarity allows it to form strong intermolecular hydrogen bonds which accounts for the forces of cohesion in the water.
The hydrogen bonds form and break with evolution of heat hence accounting for the role of water in temperature regulation.
Ice is less dense than water due to spaces in the solid. Water is regarded as a universal solvent for polar solutes. Blood and other aqueous body clouds usually contains many dissolved solutes.
Which of the following limit cell size?
A. Ratio of surface area to volume
B. Rate of moving material across the cells membrane
C. Efficiency of using the information in cell's DNA
D. Efficiency of DNA replication and cell division
E. A & B
F. A, B, & C
G. All the above
Answer:
The answer is F
Explanation:
If you need an explanation let me know
Krusty was told that a certain itching powder was the newest best thing on the market; it even claims to cause 50 % longer lasting itches. Interested in this product, he buys the itching powder and compares it to his usual produce. One test subject (A) is sprinkled with the original itching powder, and another test subject (B) is sprinkled with the Experimental itching power. Subject A reported having itches for 30 minutes, Subject B reported to have itches for 10 hours.
Hi, you've asked an incomplete question. The full question reads;
1. Identify the:
Control GroupIndependent VariableDependent Variable2. Explain whether the data supports the advertisement's claims about its product.
Answer:
Subject AThe "certain itch powder"The time of itchinessExplanation:
1. Remember, the Control group in research often refers to the group in a research experiment that who are not subjected to any treatment, rather they are used as a comparison scale to see how other tested subjects perform.
We also need to note here that the independent variable here refers to a variable or factor that does not change (ie it is independent), but which results in changes in other variables. From the study, the "certain itch powder.""The time of itchiness" is a dependent variable because it does change, or can be affected by the independent variable.2. Remember, the advertisement of the "certain itching" "claims to cause 50% longer lasting itches". Hence, we can conclude that the data support the advertisement claims since subject B did itch over 50% longer than subject A. In fact, we are subject B itched for 10 hours, not the 30 minutes subjet A itched.
what organelle is not possessed by all cells
Answer:
Nucleus
Explanation:
Which statement explains what happens to older crust during seafloor spreading?
A It is destroyed at coastlines.
B It moves under continents.
C It is destroyed at a mid-ocean ridge.
D It moves away from a mid-ocean ridge.
Answer:
Which statement explains what happens to older crust during seafloor spreading?
Explanation:
D. It moves away from a mid-ocean ridge.
Give brainiest?
Answer:D it moves away from mid ocean ridge
Explanation:
A. statements about sex-limited traits are true?
B. Genes for the trait are present in both genders.
C. Growing a beard in males is an example of a sex-limited trait.
D. The traits aren’t expressed physically.
E. Developing green eyes is an example of a sex-limited trait.
Answer: Growing a beard in males is an example of a sex-limited trait.
Cells are typically
much smaller.
Wich one is it prokaryotic and eukaryotic
Answer:
eukaryotic!
Explanation:
prokaryotic cells are significantly smaller than eukaryotic cells :)
Answer:
Prokaryotic cell
Explanation:
they are just tiny :)
After a workout, the muscles in a basketball player's legs are very sore. Which of the following statements best explains why the basketball player experiences this muscle soreness after a workout?How are the processes of photosynthesis and cellular respiration interrelated?
Answer:
1. There is an increase in the amount of lactic acid being produced in the muscle cells during the process of anaerobic respiration.
2. Photosynthesis removes carbon dioxide from the atmosphere and cellular respiration releases carbon dioxide into the atmosphere
Explanation:
Note, medical professionals consider lactic acid a byproduct released when we are engaged in intense physical exercise. Although it is still believed that the increase in the number of lactic acids causes muscle soreness, some medical findings have revealed they have no such effect on muscles.
Put simply, photosynthesis involves a natural cycle where carbon dioxide is released into the atmosphere by humans and animals for plants, and green plants undergo a process where they convert carbon dioxide into oxygen for humans. It is interrelated with cellular respiration in the sense that, cellular respiration also involves a convertion (of glucose) to carbon dioxide released into the atmosphere.
Elisa feel tired because she has a condition
Answer:
I'm sorry to hear that.
Answer: Its because she has diabetes.
Explanation: Her cells are not getting enough glucose.
Please help me need this before 8:00am
The questuon is in the picture
Answer:
I think the answer is D.
Explanation:
I think this because I just did the Periodic Table in school, also they are group by the same color by physical and chemical properties.
what reaction must occur to release the energy in atp
Answer:
respiration
Explanation:
The source of the energy required to regenerate ATP is the chemical energy stored in food (e.g. glucose)
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The relative humidity is 100%, and the temperature is hot. In a few sentences, explain how the weather would change if the temperature drops and becomes cool.
Answer: The Answer is c the relative humidity drops.
Explanation:
Answer:when the temperature drops, there is less heat obviously. that gives less of a chance for it to be humid outside. the relative humidity would drop
Explanation:
Which statement best describes the significance of meiosis to sexual reproduction?
A. It produces haploid gametes, with half the number of chromosomes.
B. It creates organisms with better adaptability to the environment.
C. It allows all types of cells to produce two sets of identical chromosomes.
D. It produces up to eight diploid cells, each with the same number of chromosomes.
In meiosis sexual reproduction produce haploid cells to produce gametes and chromosome number is reduced, hence option a is correct.
What is meiosis in sexual reproduction?Gametes or sex cells, which are needed for sexual reproduction are created during meiosis.
It deactivates the sporophytic information while activating the genetic information for the production of sex cells.
Meiosis is a kind of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this procedure is necessary.
Therefore in sexually reproducing organisms meiosis is important to produce gametes, hence option a is correct.
Learn more about meiosis, here:
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Match the following terms and definitions.
1. cross-breeding; a method that unionizes gametes of differing genes to create a new individual
recombinant DNA
2. cultured DNA molecules from different biological sources
hybridization
3. a process of breeding organisms because of their specific traits
selective breeding
Answer:
Hybridization - a method that unionizes gametes of differing genes to create a new individual
Recombinant DNA - cultured DNA molecules from different biological sources
Selective breeding - a process of breeding organisms because of their specific traits
Explanation:
In biology, hybridization is the process of creating a hybrid by combining gametes of different species or varieties. An example of a hybrid is a liger - an offspring of a lion and a tiger.
Recombinant DNA is DNA created in the process of genetic recombination. Genetic material from multiple sources is combined, creating sequences that do not occur in the genome naturally.
Selective breeding is the process of breeding organisms with desirable characteristics. For example, a good dog breeder will breed only two completely healthy dogs in order to make sure that the puppies don't have any health issues often associated with the breed.
Hybridization - a method that unionizes gametes of differing genes to create a new individual
Recombinant DNA - cultured DNA molecules from different biological sources
Selective breeding - a process of breeding organisms because of their specific traits
Which is an example of codominance
Answer:
3 I think.... If correct Brainliest will take it :)
Explanation: