Reproductive success is someone's production of offspring per breeding event or lifetime. This is not limited by the number of offspring made by one individual, but also the reproductive success of these offspring themselves.
Reproductive success leads to natural selection which can cause microevolution (change in allele frequencies), with fitness-increasing alleles becoming more common in the population.
Fitness is a measure of reproductive success.
What are examples of reproductive success?Example, the offspring produced as a result of normal mating are an example of reproductive success because they too can pass their genetic material on to the next generation.
So, Reproductive success is one measure of evolutionary fitness.
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What do scientists think will happen as greenhouse gases emissions increase
A. The temperature of the earth will decrease
B. The temperature of the earth will increase
C. Temperature temperature of the earth will stay the same
D. Temperature does not impact the earth
Using the Punnett Square for the Rr x Rr cross, what percentage of the offspring are going to be heterozygous?
100%
50%
0%
75%
Answer:
50%
Explanation:
The punnet square gives you a 25 percent probability of RR, a 50 percent probability for Rr, and a 25 percent probability for rr. Rr is the only option heterozygous
Using the Punnett Square for the Rr x Rr cross, 50% of the offspring are going to be heterozygous. Thus, the correct option is Option B.
What is a Punnett Square?The Punnett square is a square diagram used to predict genotypes of a specific cross or breeding experiment. It is named after Reginald C. Punnett, who invented it in 1905. Biologists use the diagram to calculate the likelihood of an offspring having a specific genotype.
The Punnett square is a table that lists all possible combinations of maternal and paternal alleles. These tables can be used to investigate the genotypical outcomes of offspring of a single trait (allele) or when crossing multiple traits from the parents. The Punnett square represents Mendelian inheritance visually.
Therefore, 50% of the of the offspring are going to be heterozygous or the Rr x Rr cross, using the Punnett Square.
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Which cell layer differentiates and forms the body’s internal structures such as bones and muscles
Answer:
ectoderm
Explanation:
The cell layer that differentiates and forms the body’s internal structures, such as bones and muscles, is mesoderm, which is present in Option A, as during embryonic development, the mesoderm layer forms from the middle layer.
What is mesoderm?During embryonic development, fertilized egg goes through a series of processes that result in the formation of an organism, followed by the formation of the three primary germ layers, which are the ectoderm, mesoderm, and endoderm, from which various tissues and organs in the body are formed, such as the mesoderm, that is the middle layer where muscle, bone, cartilage, and blood are formed.
Hence, the cell layer that differentiates and forms the body’s internal structures, such as bones and muscles, is mesoderm, which is present in Option A.
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The question is incomplete, complete question is below
Which cell layer differentiates and forms the body’s internal structures such as bones and muscles
A)mesoderm
B)ectoderm
C)endoderm
If a fresh cucumber slice is placed in very salty water, which direction will the water move, into the cells of the cucumber or out of the cucumber?
If we sprinkle salt on cucumber slices, it releases water after some time due to the process of osmosis. Osmosis is a process where solute or salt from higher concentration moves towards lower concentration through a semi-permeable membrane. Here, in this case, the salt concentration is more outside on the cucumber slices. The individual cell membrane of cells present in cucumber slices acts as a semi-permeable membrane. Inside the cucumber cells, there is less concentration of salt or solute and more concentration of water. Therefore, the salt from outside goes inside individual cells and the water comes out as it also travels from higher concentration to outside lower concentration through a semi-permeable membrane.
Name 2 ways wind energy is used to move objects.
Name 2 ways water energy is used to move objects.
Answer:
Wind - Humans use this wind flow, or motion energy, for many purposes: sailing, flying a kite, and even generating electricity. ... The difference in air pressure across the two sides of the blade creates both lift and drag. The force of the lift is stronger than the drag and this causes the rotor to spin.
Water - The energy from moving water can be used to create electricity in several different ways. For example: A hydroelectric dam captures energy from the movement of a river. Dam operators control the flow of water and the amount of electricity produced
veterinary science unit 5 lab questions
Answer:
where are the questions?
Explanation:
Select the correct answer.
Where does precipitation occur in the water cycle?
The Water Cycle
B
LA
Answer:
precipitation is when it rains. it occurs last
Explanation:
Answer:
its C
Explanation:
If you owned a large, varied music collection, how might you devise a key to keep track of all your different kinds of music? Present your idea comprehensively.
Answer: i would keep all my music in safe with a lock on it so tht nobody cant touch it
Explanation: hope this answers your qeustion
The equilibrium number of doctor visits in this economy is500 visits per year, while the equilibrium price is per visit.
Answer:
R10 is the equilibrium price
When a car is traveling at a constant speed of 35 mph until the driver presses the brake, this is an example of Newton’s
i dont know hit the book tho your bad
26. Whales are tetrapods—but living whales do not have four limbs. What is a more accurate way to
describe tetrapods? (highlight your answer)
a. Animals that have at least two limbs
b. Animals that descended from a four-limbed ancestor
C. Animals that have four limbs at some point in their lives
d. Animals that evolved the ability to survive without limbs
List a few ways modern astronomers study space today ?
Answer:
Research by planning experiments and observations with telescopes.
Explanation:
They conduct astronomical research by planning experiments and observations with telescopes located both on Earth and in space. They design and build instruments, collect data, and use high-performance computers to enhance and analyze that data.
What process does “X” represent in the diagram above?
Transcription
Replication
Translation
Mutation
Answer:
transcription
Explanation:
On the planet Greenport, individuals display two distinct phenotypes: their favorite color s blue versus their favorite color is green. Every Greenportian has one of these two phenotypes. Suppose the phenotypes are determined by genotypes on two loci. The first locus, Quogue, has alleles F and f. The second locus, Massapequa, has alleles G and g. These loci act in an epistatic manner to produce the favorite-color phenotypes. A cross between two doubly heterozygous individuals, that is, each with the two-locus genotype FfGg, produces 1100 offspring whose favorite color is blue, and 875 offspring whose favorite color is green. What form of epistasis is most consistent with these counts
Answer:
double recessive epistasis.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
You decided to splurge after eating a large dinner by consuming 2 Krispy Kreme donuts. The sugar in your cells is already high from the dinner you ate earlier, but your cells still need to take in the sugar from your blood which is lower. The receptors on your body cells get a message to open a channel in the membrane and allow the sugar into the cell. In which direction will the water move with respect to the cell: either inside the body cell or outside the body cell. EXPLAIN why ENERGY is required for this type of transport, and WHY a protein receptor on the membrane is needed.
Answer:
ive never had krispy kreme donuts or starbucks
Explanation:
What would most likely happen to this ecosystem if all of the gray wolves were removed?
Answer:
the whole ecosystem would fall
Explanation:
Please answer will mark brainiest!
1. Where are the Galapagos Islands located? (5 points)
2. What trait variation did Charles Darwin observe after studying the Galapagos finches? (5 points)
3. How did Darwin explain the differences in traits? (10 points)
4. According to Darwin’s On the Origin of Species, what four factors affect evolution? Explain how each factor affects evolution. (15 points)
5. Peter and Rosemary Grant began studying the Galapagos finches in 1973. For about 40 years, they studied the finches on Daphne Major. Why was this an ideal place to study the evolution of the finches? (10 points)
6. Which of the four factors that affect evolution apply to the finches that the Grants studied? Use evidence from your research to support your answer. (15 points)
7. If the area had experienced a wet season two years after the drought instead of a dry season, what kind of evolution would you expect? Explain your answer. (5 points)
8. Use evidence from the Grants’ research to explain how natural selection leads to evolution. (10 points)
9. List the sources you used for your research in the space below. If you used websites, include the title and URL of the website or article. If you used books or other print resources, note each source’s title, author, publisher, and date published. (10 points)
Answer:
1. Archipelago in Ecuador
2. Different beaks
3. He used Darwinism/ survival of the fittest / evolution to explain these adaptations. The birds on different islands adapted to varying, but specific food types.
4. mutation, gene flow, genetic drift, and natural selection.
Mutation creates new genetic variation in a gene pool.
Gene flow and genetic drift alter allele frequencies in a gene pool.
5. The finches have few predators / competition for food.
Explanation:
1. Galapagos Islands located in archipelago in Ecuador near the west side of pacific ocean.
2. Different beaks variations did Charles Darwin observe after studying the Galapagos finches.
What are Galapagos Islands known for?The Galápagos are best known for their diverse of plant and animal species. Many species are endemic, that means they are not found anywhere else in the world.
3. Darwin used theory as he gave that survival of the fittest and other will die and evolution to explain these adaptations. The birds on different islands adapted to varying, but specific food types.
4. Darwin’s on the origin of Species, four factors affect evolution are
mutation: a mutation is a change in the DNA sequence of an organism. gene flow: is the introduction of genetic material from one population of a species to another, that leads to change in the composition of the gene pool of the receiving population.genetic drift: is a mechanism of evolution featured by random fluctuations in the frequency of a specific version of a gene (allele) in a population.natural selection: is the process by which populations of living organisms adapt and change.5. Daphne Major was the ideal place to study the evolution of the finches because the finches have few predators / competition for food on that island.
6. The four factors that affect evolution are mutations, natural selection, genetic drift and the gene flow, In the case, if the ground finches which Grants studied, we can observe the working of the natural selection.
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What are two ways you know a chemical reaction has taken place?
A town plans to clear a patch of forest to make a road wider. What possible changes should the town take into account?
Answer:
block all ways of passing through .. cut grass where you want your roads expanded so you have full room to install new roads
Label the characteristics as frog, human or both: (help) #3
Animal Kingdom: Both
Mammal: Human
Multi-Cellular: Both
Vertebrate: Both
Internal Fertilization: Human
External Fertilization: Frog
Amphibian: Frog
Sexual Reproduction: Both
Uses Skin & Lungs for Respiration: Frog
Omnivore: Human
Uses lungs for Respiration: Both
Metamorphosis: Both
Carnivore: Frog
Cold-Blooded: Frog
Warm-Blooded: Human
Webbed feet: Frog
P.S Sorry if any of them are wrong!
A fault is found that cuts through lower rock layers but not those above What can most likely be concluded
Answer:
A fault is found that cuts through lower rock layers but not those above it. What can most likely be concluded? The fault is the same age as the layers it cuts through, and the same age as the layers above it.
Explanation:
The Aleutian Island Arc is a distinguishing feature of the state of Alaska. Which
geologic features would you expect to find at this boundary?
O A. mid-ocean ridges and volcanic mountains
O B. trenches and volcanic mountains
O C. rift valleys and folded mountains
OD. faults and folded mountains
Answer:mid ocean ridges and volcanic mountains
Explanation: it’s in the water
which of the following is a producer in this food web?
eggs
algae
worms
Answer:
the second one algae
filler
Which kingdoms contain organisms that are multicellular?
Eubacteria
Animalia
Archaebacteria
Plantae
Answer:
B and D
Animalia and Plantae
Explanation:
got it right in edg (see pic)
hope this helps :)
The kingdom that contain organisms that are multicellular are Animaliia and plantae
What are multicellular organisms?Multicellular organisms refers to organisms that gave more than one cells and have nucleus.
These organisms cells bond together to form tissues.
Multiple tissues join together to form organs and organs come together to form system.
Therefore, The kingdom that contain organisms that are multicellular are Animalia and plantae
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trophoblast cell in contact with inner cell mass are called _________
Answer:
trophoblast cell in contact with inner cell mass are called ____blastocyst.____
1. BALANCING Nikia, Madison, Angela,
and Shelby are balancing themselves
on an “X”-shaped floating object. To
balance themselves, they want to
make themselves the vertices of a
parallelogram.
Madison
Shelby
Nikia
Angela
In order to achieve this, do all four of
them have to be the same distance from
the center of the object? Explain.
Answer:
depends
Explanation:
in order to balance at the same distance from the center, the people opposite each other would have to weigh the same amount,
if they weigh different amounts, then the heavier person would have to be closer to the center in order to balance.
Using the scarlet king snake as an example explain how the process of genetic variation is random but acquiring beneficial traits is based on the natural selection
Answer:
In the scarlet king snake's lineage, there's a random genetic variation that allows the species to mimic a coral snake. This variation turned out to be a beneficial trait that improved the king snake's chances of survival. hopes this helps ! baby ..
Explanation:
1. The Earth experiences days and nights due to the:
a. revolution around the sun.
b. tilt of Earth.
c. rotation on it's axis.
Often the growth cycle of one population has an effect on the cycle of another. As moose populations increase, for example, wolf populations also increase, which will then reduce the moose population. Thus, if we are considering the logistic equation for the wolf population, which of the factors accounts for the effect of wolves on the moose population
Answer:
K (carrying capacity)
Explanation:
In logistic growth, the population growth decreases as population size approaches its maximum value, i.e., when the carrying capacity of the environment is reached. In consequence, the carrying capacity can be defined as the maximum population size in a particular environment, which depends on a given resource (e.g., food, habitat, water, etc).
The logistic equation for logistic growth is: dN/dt = rN [K - N/K] >>
dN/dt = change in population size in a given time interval
N = population size
r = intrinsic rate of increase
K = carrying capacity