An ecosystem with high biodiversity experiences a wildfire. What is likely to happen?
A. Some of the species will live, and the ecosystem will survive with reduced biodiversity.
B. All of the species will die, and the ecosystem will collapse.
C. The ecosystem will remain the same before and after the wildfire.
D. Biodiversity will increase after the wildfire.
Answer:
A. Some of the species will live, and the ecosystem will survive with reduced biodiversity.
Explanation:
Not all species will die, and the ecosystem will definitely not stay the same after the fire. But, most of the species will live and the ecosystem will just have less biodiversity.
Answer: A
Explanation: Though some of the species will die. if it is a natural fire it means that some species will die for a reason. But the rest of the species will live.
PLEASE ANWSER
Four o’clock flowers can be red (RR), white (rr), or pink (Rr). If a pink flower and red flower are crossed, what will be the phenotypic ratio?
100% pink
50% red, 50% pink
100% Rr
50% RR, 50% Rr
Answer:
See below ~
Explanation:
If red and pink flowers are crossed, then there will be :
50% red, 50% pink 50% RR, 50% RrSo if both are crossed
The total combination is 100% But as there are 2 so it should be 100/2=50% for Red and pinkSo
the ratio is
50% RR and 50% rrWhich of the following is true about blood pressure?
que
A It is not affected by atheroscierosis.
B
It is typically lower in veins than in arteries.
C
It drops a great deal when traveling through
arteries.
Diastolic pressure is higher than systolic
pressure.
D
Answer:
d
Explanation:
because i have high blood pressure all this time
Using what you have learned from the lesson and the virtual lab activity, answer the following questions in complete sentences.
1. How did the colors of each type of prey affect its population size over time?
2. How do you predict the data would change if you continued? Explain your answer.
3. What traits could help a predator be more "fit" to survive in each environment? Be specific.
4. Describe other adaptations besides color that could affect an individual's survival.
5. Explain what will happen if there are not enough resources to support the individuals in a species.
6. This experiment tested natural selection. What could be another possible mechanism of evolution for the rabbits to evolve? Be specific.
Answer:
Cookies are ok not the best but ok
Explanation:
Review the following DNA sequences:
Original DNA Sequence: G G C C G T T T C A C C
Mutated DNA Sequence: G G C C G T T A C A C C
Which type of mutation has occurred?
Answer:
Substitution
Explanation:
Original DNA Sequence Protein 'T' in the mutated DNA sequence has been replaced (Substituted) by 'A'.
Typical gram-negative bacteria are more impervious to the action of antimicrobial chemicals than are gram-positives because gram-negatives have a(n)
As gram-negative bacteria have an extra layer of cell wall therefore it is less sensitive towards antimicrobial chemicals than gram-positive bacteria.
Why gram-positives are less impervious to the action of antimicrobial chemicals?Gram-positive bacterial cell wall is made up of only the peptidoglycan layer and it does not have an extra barrier that protects it from some antimicrobial chemicals.
Gram-negative bacteria have two layers of cell wall peptidoglycan layer and a lipopolysaccharide layer.
Thus, gram-negative bacteria have an extra layer of cell wall.
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What is the one part of the food chain that no one likes to talk about?
Answer:
Plants or decomposers.
what is the function of a chromosome?
Which event is directly mediated by a ligand-gated ion channel?.
Answer:
Influx of Na+ across the motor end plate resulting in the depolarization of the muscle fiber membrane
**because the influx of Na+ across the motor end plate occurs when Na+ ion channels bind the ligand acetylcholine.
Dna is made of chains of four smaller molecules called.
Answer:
DNA is made of chains of four smaller molecules called "Nucleotides".
Explanation:
A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine) in DNA is known as a nucleotides.
why are stars not distributed uniformly throughout the universe
Most of the carbon in the carbon cycle exists as carbon dioxide in…
A. fossils.
B. the oceans.
C. the atmosphere.
D. nucleic acids.
Answer:
C.
Explanation:
(C).the atmoshphere
What is a fact? quoted information provable information estimated information repeated information
The answer is provable information
Edge 2022
The fact is provable information, thus option "B" is correct.
What is Quantitative data?Quantitative data refers to the type of data which provides numerical information. Quantitative data includes the statistical techniques. For example, quantitative data can be used to drive the result of satisfaction survey of customers of using a product. The customer rate their satisfaction survey on a scale of 1-5 and hence statistical technique would be required to draw numerical conclusion.
The fact is provable information, thus option "B" is correct.
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William used a hammer to pound a nail into a wooden board. When the nail
was about halfway through the board, he stopped and turned the board upside
down. The nail stayed in place in the board. Which of the following acts on the
nail to keep it in place in the board?
F. friction
G. gravity
H. magnetism
I. weight
How can local environmental changes have global effects?
a Organisms can move from one environment to another
b Air and water move from region to region
С. Increased carbon dioxide in one location can cause increased temperatures in other locations,
d. All of the above are true
Answer:
I think the answer is D
Explanation:
organisms can migrate to other areas and become an invasive species which can cause global problems. other things such as air pollution, water pollution, fires ect dont just remain in one area and all contribute to global warming which is a global issue.
what is produced by the process of meiosis
Answer:
meiosis produces reproductive cells - egg and sperm cells
Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. Which statement best describes Gabriel’s measurements?
They will remain constant.
They will both be recorded in joules.
They will both be recorded in hertz.
They will involve compressions.
Answer:Its A
Explanation:Edge
Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. The statement they will both be recorded in joules is best describes Gabriel’s measurements. Correct Option is 2.
Energy and work are both physical quantities measured in joules (J) in the International System of Units (SI). In this experiment, Gabriel is measuring the energy and work associated with the ball rolling down a hill, and both measurements will be expressed in joules. Energy represents the capacity to do work, and work is the transfer of energy that occurs when a force is applied to move an object over a distance. Both energy and work are directly related and are measured in the same unit, joules, which is a measure of energy or work.
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Which of these does NOT occur during meiosis?
production of new gene combinations
production of identical gametes
crossing-over of homologous chromosomes
reduction of chromosome number by one-half
What is the part of the kidney where urine is formed?.
question; both trypanosoma and plasmodium are different in .......
a) type of nucleus
b) ability to move
c) mode of nutrition
d) phylum they belong to
A __________ is an area of hundreds of kilometers of ocean with fish or plant life.
When a child is bron with a chromosomal mutation when did the mutation occur
Answer: It happens during meiosis
Why must cytosine bind to guanine, while thymine bonds to adenine?
a
These are Chargaff's rules.
b
Like bonds with like.
c
Two-ring molecules (adenine and guanine) must bind with one-ring molecules (thymine and guanine) to keep the distance between DNA chains consistent.
d
This will not happen, as it violates Chargaff's rules.
These are Chargaff's rules that is why cytosine bind to guanine, while thymine bonds to adenine. Thus, the correct option is A.
What is Chargaff's rule?According to the rule, in DNA there is always equality in quantity between the bases A and T and between the bases G and C. (A is adenine, T is thymine, G is guanine, and C is cytosine).
According to Chargaff's rule, Concentration of adenine = concentration of thymine. therefore if [A]=40% then the [T] will also be 40%.
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Argue whether flying is an innate or a learned behavior for birds.
What/who are primary consumers in the food chain process?
Answer:
Explanation:
Ruminant animals. Cows, goats, zebras, and giraffes are examples of primary consumers and these herbivores feed on plant material like grass, branches, and roots.
Birds. Many birds are examples of primary consumers because they only eat seeds, cherries,
2. (b) Why is it important to maintain genetic diversity in populations?
Genetic diversity encourages the health of a species and provides material resources such as plants. The loss of genetic diversity leads to reduced options for mates which means even more loss of a species and the species becomes more susceptible to disease. These are very few results that occur with the loss of genetic diversity.
Why were different organisms
found on each island of the
Galapagos?
A. The islands were far apart geographically
from one another.
B. The climate of the islands varied.
C. Organisms were the same from one island to
the next.
Answer:
Its B
Explanation:
The Climate Of The Islands Varied
Regular doses of _____, a common fish contaminant, are poisonous to the nervous system and associated with certain heart, blood, and other tissue abnormalities in adults.
Answer:
mercury
Explanation:
Which animals use the specialized roles of diver and barrier while participating in cooperative hunting? ants zebra bottlenose dolphins wildebeests
Bottlenose dolphins use the specialized roles of diver and barrier while participating in cooperative hunting.
What is Diver and Barrier?This is a hunting technique used by dolphins in which five of its members form a barrier while one dives to catch the prey.
This is a form of cooperative hunting which therefore makes option C the most appropriate choice.
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Answer:
Bottlenose dolphins
Explanation:
They have been known to work in groups hunting for food, did you know that they make a dirt wall to confuse the fish into jumping over it, that is how they catch their food, the fish jump and they try to catch them in the air
What does “adaptation” of populations have to do with the “fitness” of individual organisms in the population?
Answer:
As organisms adapt to changing conditions, they evolve in a way to fit their surrounding environment. According to Darwin's survival of the fittest concept, organisms that can adapt to fluctuating conditions are more fitter and hence selected by nature.
Here fitter means reproductive superiority.