Answer:
D
Explanation:
Carbon is expelled not used for producing sugars or any of that
The table shows the survival rate of two types of beetles in the same environment over a
period of three years.
Survival Rates
Year
1
2
3
Green Brown
Beetle (%) Beetle (%)
78
31
83
29
77
28
Which statement about the beetles in this environment is best supported by the data?
A Green beetles are more fit for the environment than brown beetles are.
B Brown beetles undergo a greater number of unfavorable mutations than green beetles do.
C Green beetles have a greater gene frequency among their population than brown beetles
have.
D Brown beetles have a shorter life cycle than green beetles have.
The survival rate is a measure of the fitness of each species. Option A is correct. Green beetles are more fit for the environment than brown beetles are.
What is fitness?
Fitness or Aptitude can be defined as the contribution of each genotype to the next generation.
Fitness is reflected by the phenotype that results in the survival, fertility, and capability of having a mate.
It is a way of measuring the individual ability to leave fertile offspring.
Aptitude must be significant to the natural selection act in its favor.
In the exposed example we can see the survival rate of two species.
The survival rate is telling us about the fitness of each species.
The green beetle increases its survival rate (fitness) each yearThe brown beetle decreases its survival rate each yearThese results lead us to believe that the Green beetles are more fit for the environment than brown beetles are. Option A is correct.
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Explain how the size of the wolf population affected the size of the deer population and how the size of the deer population affected the wolf population
why and how should we conserve rare plants and animals?
Explanation:
We should conserve rare plants & animals because :
It is essential for the conservation of plants. The causes of destruction of natural habitat are haphazard collection of forests products, over-grazing, clearing the forest and fire on forest. The control and proper management of these activities helps to control the natural habitat.
We can conserve them by :
Stopping hunting
Land development or making parks and reserves.
Describe the experiment, to show that light intensity, water, chlorophyll, and cabondioxide are needed for photosynthesis
Answer:
Is light needed for photosynthesis?
1. Destarch the plant (remove previously made starch from plant)
2. a. cut the leaf in 2
b. 1 part in an opaque box and 1 part in a transparent box (one with light and one without)
3. Test for starch (BEWI)
B. Is carbon dioxide needed for photosynthesis?
1. Destarch the plant (remove previously made starch from plant)
2. a. cut the leaf in 2
b. 1 part in a box with CO2 absorber and 1 part in box with a CO2 provider
3. Test for starch (BEWI)
C. Is chlorophyll needed for photosynthesis?
1. Destarch the plant (remove previously made starch from plant)
2. Use a variegated leaf
3. Test for starch (BEWI)
B E W I
1. Put leaf in boiling water to destroy the cell membrane and denature enzymes
2. Ethanol in a hot water bath to remove chlorophyll
3. Warm water to soften the leaf
4. Add drops of iodine solution
Explanation:
The best known location of Petrified wood: _____
Siberia
Italian island of Sicily
Baltic Sea
Gobi Desert, Mongolia
A National Forest in Arizona
Cumberland, Maryland
Answer:
A national forest in Arizona
Explanation:
There is a national forest in Arizona, known as the Petrified Forest National Park, that contains a lot of petrified wood.
Can someone help me with this question? Thank you!!
Answer:18 kcal
Explanation:
Law of ecological pyramid - the production of organisms of each subsequent trophic level is always on average up to 10 times less than the production of the previous one
1800/10=180
180/10=18
Answer:
18 kcal
Explanation:
it loses 10 times less energy so just divide by 10 up
Which scenario is an example of a scientific way of thinking?
Answer:
beginner at this what he proves to be true
The term "survival of the fittest' means
A. The strongest organism will survive.
B. Natural variation among organisms causes more offspring being produced by one set of parents.
C. The strongest, fittest predator will survive
D. Natural variation among organisms causes some to survive and reproduce more than others.
Please help me
Primary malignant tumors arising from the bone marrow of long bones in children and young adults usually causing localized pain are indicative of:
what percentage of the offspring will express the dominant trait?
A. 25 % B. 50 % C. 75 % D. 100 %
Answer:
it is 25%
Explanation:
for a parents to be transmitted
Which trophic level in a food web contains the most energy?.
Answer:
Producers
Explanation:
This is because producers make their own food from sunlight. This sunlight supplies producers with tons of energy.
Transverse waves are made up of parts called?
essay about why people should not join a gang
Answer:
Joining a gang will not give you more protection; it could enhance your chance of being targeted as a victim
Explanation:
What process is used by prokaryotes to obtain some materials and remove waste?.
Answer:
In order to obtain some materials and remove waste, what process is used by prokaryotes? Diffusion. The changes in the concentration help the movement of the particles and waste across the plasma membrane. This process is known as diffusion, where molecules move from high to low concentration.
Explanation:
Interphase consists of what part of the cell cycle?
Answer:
This is DNA replication
Explanation:
G1 --> S --> G2 --> PMAT
When we focus on the visual information we need in daily life and relegate the remaining information to the background, what are we practicing
Answer:
We need to focus on what to archive in life in order for you to be a great person
Which biological theory of aging postulates that by-products of cell metabolism may damage and cause mutations in cells
The Free Radical Theory of Aging is a biological theory that postulates that by-products of cell metabolism may damage and cause mutations in cells. These toxic agents are free radicals.
What is the Free Radical Theory?The Free Radical Theory of Aging is a theory posing that free radicals are generated as a natural consequence of age.
This model indicates that oxidative damage induces random mutations that are associated with the negative effects of aging.
The oxidative damage is especially concentrated in the mitochondria (mitochondrial DNA or mtDNA).
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In pea plants, purple flower color, C, is dominant to white flower color, c. The table shows the frequencies of the dominant and recessive alleles in three generations of peas in a garden.Allele Frequency for Flower Color in Peas
Generationpq10.60.420.70.330.80.2
Which statement is a conclusion that may be drawn from the data in the table?
A. Generation 1 has more white flowers than generation 2.
B. Generation 3 has more white flowers than generation 2.
C. Generation 2 has fewer purple flowers than generation 1.
D. Generation 1 has fewer purple flowers than generation 3.
Answer:
Generation 1 has fewer purple flowers than generation 3 is correct
Explanation:
Finished the test with 100
under what conditions would you adjust the diaphgram?
Answer:
I would adjust it so it is farther away so that it will be able to draw in more air.
Explanation:
Are most chemical reactions in living cells at equilibrium?.
Answer:
Most chemical reactions are not at equilibrium in living cells. This is because at equilibrium a system has minimized free energy.
At which stage in an animal's life cycle does it form a zygote?
A. Before gametes fuse
B. After fertilization
C. After development is complete
D. Before sperm and egg cells form
Answer:
B. After fertilization.
Explanation:
It's the process where the sperm and egg fuses to form a zygote.
How does adenylyl cyclase help transmit signals within a cell?.
Answer:
How does adenylyl cyclase help transmit signals within a cell? It converts ATP to cAMP, which then broadcasts the signal to the rest of the cell. Certain yeast cells secrete a molecule called the -factor.
Explanation:
Answer:
How does adenylyl cyclase help transmit signals within a cell? It converts ATP to cAMP, which then broadcasts the signal to the rest of the cell. Certain yeast cells secrete a molecule called a factor
Explanation:
What are organisms trying to get by feeding?
Answer:
Living things feed. Food is the material from which organisms through respiration obtain the energy required to sustain life and carry out all the other defining functions of living things. Food also provides the raw materials for growth and repair.
Explanation:
they are trying to get energy by feeding and also gain in nutrients
Mendel's law of ____________ states that genes are not inherited together offspring can inherit any combination of its parent’s genes
Answer:
the answer is independent assortment
How does your protein support the cross- concept of structure and function? If there was a mutation in the DNA that altered several of the amino acids in your protein structure, how would that alter the structure and function of the protein? Why might that be good or bad for the organism?
Answer:have a great day
Explanation:
In which process do homologous chromosomes pair up?.
Answer: prophase I
Explanation: During prophase I, homologous chromosomes pair up and exchange sections of DNA. This is called recombination or crossing over. This is followed by metaphase I where the connected pairs of chromosomes align at the middle of the cell. After the pairs of chromosomes are aligned, anaphase I begins.
Why are insertions and deletions called frameshift mutations?.
Answer:
if a mutation, for example, an insertion or a deletion of the nucleotide, occurs, this could result in the alteration of the reading frame. It completely changes the amino acid sequence. Such mutations are known as frameshift mutation (also called reading frame mutation, reading frame shift, or framing error).
Explanation:
Answer:
It completely changes the amino acid sequence.
Explanation:
Describe two integumentary system mechanisms that help regulate body temperature.
Answer:
dilation of vessels and sweating
Explanation:
The vast blood supply of the skin aids in temperature regulation: dilated vessels enable heat to escape, while constricted vessels retain heat. The blood supply of the skin regulates body temperature. The skin aids in the maintenance of homeostasis. Humidity has an effect on thermoregulation because it reduces perspiration evaporation and, as a result, heat loss.
Which of the following is an example of an autotroph?
Answer:
An organism that can provide itself with natural and nutritional substances from non-natural substances.
Example ↓
The potted plant in that window across the street.
Plankton.
Bacteria.
What is always produced in the combustion of organic material.
Answer:
“Combustion always produces carbon dioxide and water”
Explanation:
Water and Carbon dioxide are always produced in the combustion of organic material.
What is combustion of organic material?Combustion involves the oxidation of the carbon in an organic molecule. The fuels that are burned on a large scale to provide energy for heat or electricity include the fossil fuels.
The combustion of organic fuels is a chemical reaction that results in the generation of products and heat. The nature of the process is controlled by heat and mass transfer and can result in very different forms of combustion.
Complete combustion needs a plentiful supply of air so that the elements in the fuel react fully with oxygen. Fuels such as natural gas and petrol contain hydrocarbons. These are compounds of hydrogen and carbon only.
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