Answer:
Rods are responsible for vision at low light levels (scotopic vision). They do not mediate color vision, and have a low spatial acuity. Cones are active at higher light levels (photopic vision), are capable of color vision and are responsible for high spatial acuity. The central fovea is populated exclusively by cones.
Answer:
There are 3 types of cones which we will refer to as the short-wavelength sensitive cones, the middle-wavelength sensitive cones and the long-wavelength sensitive cones or S-cone, M-cones, and L-cones for short.
The light levels where both are operational are called mesopic.
Which series lists the stages of development in the gestational process in order, from beginning to end?
gametes ® embryo ® zygote ® fetus ® organism
gametes ® zygote ® embryo ® fetus ® organism
embryo ® gametes ® zygote ® fetus ® organism
zygote ® gametes ® embryo ® fetus ® organism
Answer:
its b
Explanation:
This list states the properties of two metals at room temperature. Copper’s density is 8.96 grams per cubic centimeter. Lead’s density is 11.4 grams per cubic centimeter. A scientist measures the weight and volume of 5 grams of copper and 5 grams of lead. How should the weight and volume of each metal compare? A. The copper should weigh less and have a smaller volume than the lead. B. The copper should weigh more and have a larger volume than the lead. C. The copper and the lead should weigh the same, and the copper should have a larger volume than the lead. D. The copper and the lead should weigh the same, and the copper should have a smaller volume than the lead.
This is on the benchmark
Answer:
d
Explanation:
What two types of cells did the stem cells differentiate into.
Answer:
Stem cells are divided into 2 main forms. They are embryonic stem cells and adult stem cells. Embryonic stem cells.
Both animals and plants carry out cellular respiration. Cells in both animals and plants contain organelles called mitochondria, where cellular respiration happens. Cellular respiration uses glucose and oxygen to produce a chemical energy source in the form of ATP (adenosine triphosphate) molecules along with water and carbon dioxide. ATP is used to sustain the processes needed for life. You may remember that photosynthesis uses water and carbon dioxide in the presence of chlorophyll and sunlight to produce glucose and oxygen in plants. Plants and animals then use the glucose as food, along with oxygen, to transform energy in the process of cellular respiration.
Using only the reactants you have already constructed, create the products of cellular respiration. Use your student reference sheet to refer to the structures of the two products.
Answer:
This sounds like you need interactive materials to complete?
Explanation:
The bottom says this: Using only the reactants you have already constructed, create the products of cellular respiration. Use your student reference sheet to refer to the structures of the two products.
No matter how long and hard lerae studies, she always feels she hasn't studied as much as she should have. A freudian psychologist would suggest that lerae shows signs of a
How is the number of animals remained same according to Darwin's theory?
Darwin believed that the desires of animals have nothing to do with how they evolve, and that changes in an organism during its life do not affect the evolution of the species.
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PLEASE CAN SOMEONE HELP? ITS DUE TODAY!!
The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment. Factors like snow, and rain can determine if the animal belongs there.
Why are favorable traits more likely to be passed onto offspring?.
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.
12. What are the four major parts of a flower?
Answer: The 4 major parts of a flower are petals, sepals, stamens, and pistil.
Hope this helps!
7. If a chicken with a codominant feather color (black-B, white-b) were Bb and was crossed with a bb chicken, what is the phenotypic ratio of the offspring?
black
white
chickens that are black and white
Answer:
Phenotypic ratio = 0:2:2
Which of the following does not explain the importance of mangrove forests? a. They provide shelter to organisms on high energy coasts. B. They help prevent erosion along coasts. C. They increase surface runoff and flooding. D. They filter and process pollutants out of the environment. Please select the best answer from the choices provided A B C D.
Answer:
C
Explanation:
The statement (C) is correct. Mangrove forests increase surface runoff and flooding.
What are the features of the mangrove forests?Mangrove forests, also called mangrove swamps, mangrove thickets or mangals, are productive wetlands that occur in coastal intertidal zones. Mangrove forests grow mainly at tropical and subtropical latitudes because mangrove trees cannot withstand freezing temperatures.
Moreover, the Sundarbans of India and Bangladesh is the only largest mangrove forest in the world colonized by the Royal Bengal Tigers. Mangroves are dense and floristically diverse along the east coast of India and the Andaman and Nicobar Islands.
Hence, it also functions as a site for fertilization for a variety of aquatic fauna resulting in rich biodiversity. Special characteristics of mangrove forests include adaptation to low levels of oxygen, uptaking nutrients from the atmosphere, limiting salt intake, increasing survival of offspring and limiting water loss.
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Which will you hear as the highest pitch? a sound wave with frequency of 10,000 Hz b sound wave with frequency of 30,000 Hz c sound wave with frequency of 15,0000 Hz d sound wave with frequency of 50 Hz
Answer:
A sound wave with 15,000 Hz
Explanation:
Humans can averagely hear up too 20,000 Hz. So around 15,000 would make most sense.
The medicine in the diagram above has molecules that are moving
around eachother. The doctor needs to slow down the molecules enough
to cause a phasechange. How will she do this, and how will this affect the
medicine?She transfers energy...
Answer:
I think it's c "Out of the medicine until it is a solid
Explanation:
Since the pill and container is a solid
Janet’s sister has cystic fibrosis, which is disease caused by recessive genes. Neither of her parents has the disease. What is the chance that her mother is a carrier (heterozygous) for the trait? What chance is there that Janet herself is a carrier?
The chance that Janet’s mother is a carrier (heterozygous) for the trait is 100 percent. It is a recessive disease.
What is a recessive disease?A recessive disease is a type of disease that only expresses when both recessive alleles are found in the genotype.
In this case, cystic fibrosis is a recessive disease caused by a mutation in both copies of the Cystic fibrosis transmembrane conductance regulator (CFTR) gene.
In consequence, the only way of inheriting this disease is by receiving one allele from each parent.
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If a population of parrots has greater genetic diversity than a hummingbird population in the same region, which outcome could result
Answer:
The parrot population could have a greater resistance to disease than the hummingbird population
I hope this helps! ^-^
1)Explain the Genotype of the parents
2)Set up the Punnett Square
3)Explain how to complete the punnett square
4)Explain the genotypic ratio
5)Explain the phenotypic ratio
Answer:
1)Explain the Genotype of the parents
Each parent contributes one allele to each of its offspring. Thus, in this cross, all offspring will have the Bb genotype. Each parent contributes one allele to each of its offspring. Thus, in this cross, all offspring will have the Bb genotype.
2)Set up the Punnett Square
STEP-BY-STEP: HOW TO SET UP A PUNNETT SQUARE
Example
Step 1: Write out the cross T = tall, t = short Tt x Tt
Step 2: Draw 2 by 2 Punnett square
Step 3: Write the alleles for parent 1 on
the left side of the Punnett square.
Step 4: Write the alleles from parent 2
above the Punnett square.
Step 5: Fill in the squares for parent 1.
Step 6: Fill in the squares for parent 2.
3)Explain how to complete the punnett square
STEP-BY-STEP: HOW TO SET UP A PUNNETT SQUARE
Example
Step 1: Write out the cross T = tall, t = short Tt x Tt
Step 2: Draw 2 by 2 Punnett square
Step 3: Write the alleles for parent 1 on
the left side of the Punnett square.
Step 4: Write the alleles from parent 2
above the Punnett square.
Step 5: Fill in the squares for parent 1.
Step 6: Fill in the squares for parent 2.
4)Explain the genotypic ratio
The genotypic ratio is the ratio depicting the different genotypes of the offspring from a test cross. It represents the pattern of offspring distribution according to genotype, which is the genetic constitution determining the phenotype of an organism.
5)Explain the phenotypic
Phenotypic variation, then, is the variability in phenotypes that exists in a population. For example, people come in all shapes and sizes: height, weight, and body shape are phenotypes that vary. Hair, eye color, and the ability to roll your tongue are variable phenotypes, too.
A phenotype is an individual's observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.
Define binomial system
Answer:
• a system of nomenclature in which each species of animal or plant receives a name of two terms of which the first identifies the genus to which it belongs and the second the species itself.
• It is called the binomial system because each plant or animal is known by two names. The first, defining the group within which it has natural affinities, is its genus. The second, including only those creatures with which it can interbreed, is its species.
Explanation:
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HELP! In this assignment, you are asked to write a short paragraph, on your own
piece of paper, explaining the difference between things that have matter
and things that do not have matter.
Your paragraph should include discussion of three things that have matter
and why, and three things that do not have matter and why. Your paragraph
also needs to have a topic sentence, supporting details, and a concluding
sentence.
Answer:
things that have matter are living things and with matter are nonliving things
In order to initiate transcription, RNA polymerase II must associate with proteins known as ______ transcription factors at the TATA box of the core promoter.
General transcription factors are highly specialized proteins that are required for RNA pol II activation.
What are general transcription factors?They are proteins also known as basal transcription factors that recognize specific DNA sequences in the regulatory region of all genes.
These are capable of interacting with the transcription pre-initiation complex to induce or inhibit the activity of the enzyme RNA polymerase II.
Therefore, we can conclude that the general transcription factors are proteins that allow the assembly of RNA Polymerase II and the initiation of transcription.
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Claim
What makes diamonds so special?
Diamonds makes so special for being the hardest substance known to man, diamonds also have unrivalled thermal conductivity (100x better than copper) and inertness, which makes poor quality 'boart' diamonds ideal for a whole host of next generation technology uses today.
I hope this helps :)
Answer:
In addition to being the hardest substance known to man, diamonds also have unrivalled thermal conductivity (100x better than copper) and inertness, which makes poor quality 'boart' diamonds ideal for a whole host of next generation technology uses today.
Explanation:
....
While swabbing objects to sample bacteria, you want to create a negative control to ensure that you are practicing proper aseptic technique. You place an applicator in the sterile broth, and spread it on an agar plate without swabbing any surfaces. Which result would yo see from a properly prepared negative control?.
Answer:
no bacteria. took the test and got it right :)
Explanation:
The result which would be seen from a properly prepared negative control is nothing.
What is a Negative control?
This type of control is used to test and ensure that in the absence of the antigen we do not still get a positive reaction.
Since proper aseptic technique was practised and there was no swabbing of the surface then there would be nothing seen in the properly prepared negative control.
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PLEASE HELP WILL MARK BRAINLIEST Lorenzo is making a prediction. "I learned that nonmetals increase in reactivity when moving from left to right. So, I predict the xenon will be more reactive than iodine." Is Lorenzo correct? If so, why? If not, explain his error. PLEASE MAKE THE ANSWER SCHOOL APPROPRIATE
No, he is not correct. Xenon is not very reactive since it is located in the group of noble gases.
Invertebrates show mostly ? behavior, while vertebrates show mostly ?
behavior.
Invertebrates show mostly innate behavior while vertebrates show learned behavior.
What is a behavior?Behavior is the range of actions and mannerisms which are made by individuals of a species, organisms, systems or the artificial entities in some environment or the other. These systems can include other systems or organisms as well as the inanimate physical environment surrounding an organism.
Invertebrates are the organisms which show innate behavior, this behavior is present from the time of birth. Vertebrates show learned behavior, this type of behavior is acquired during lifetime.
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The term ____________ is used to describe genes that do not determine gender, but are carried on the X chromosome.
Answer:
x linked is the answer mark me brainiest if correct
Explanation:
Describe how the DNA in a cauliflower plant is similar to and different from the DNA in Brussels sprouts.
Answer:
Cabbage is a different story. Per capita consumption of it peaked way back in the 1920s, when the average American ate 22 pounds of it per year. Nowadays, we eat about eight pounds, most of it disguised as cole slaw or sauerkraut.
This makes it pretty interesting that kale and cabbage — along with broccoli, Brussels sprouts, cauliflower, collard greens, and kohlrabi, and several other vegetables — all come from the exact same plant species: Brassica oleracea.
In some circles, kale has become really, really popular. Once a little-known speciality crop, its meteoric rise is now the subject of national news segments. Some experts are predicting that kale salads will soon be on the menus at TGI Friday's and McDonald's.
Describe an example of a feedback loop in nature or in your everyday life.
What is a feedback loop?
Answer:
A feedback loop is the part of a system in which some portion (or all) of the system's output is used as input for future operations.
Answer: A thermostat is one example of a negative feedback loop, because when the temperature gets too high or too low, the thermostat responds in a way that returns it to its original temperature.
Explanation:
sample answer
Rounded rock formations with plant covering. A scientist is studying rock formations. She notices some unusual rocks like those pictured here. What can she conclude about this area? It was part of a slow underwater eruption. It was formed at a subduction zone. It is moving toward a mid-ocean ridge. It is a very young piece of land.
The rock formations are the result of the weathering of the big and large rocks by wind and water erosion. The conclusion is that rocks were part of a slow underwater eruption.
What is the formation of the rocks?Rocks can be formed due to volcanic eruptions as when the magma of the volcano rises outwards but, in the underwater surfaces, the magma can't completely rise to the outer surface and faces some pressure.
The oceanic water creates very heavy pressure on the magma of the volcanoes causing them to form some unusual structures that later solidifies into rocks.
Therefore, option A. is part of a slow underwater eruption.
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Answer:
A. It was part of a slow underwater eruption.
Explanation:
For most stars, what does a higher temperature tend to go with?
O A lower luminosity
O A higher luminosity
O A red color
O None of the above
Answer:
A higher luminosity
Explanation:
Luminosity is the apparent brightness of a star. Temperature impacts the luminosity as the hotter the temperature is, the more energy/reactions there is, which results in a higher luminosity.
Describe how mesas and buttes are different from mountains. plllllsssssssss hellllllppppp ASAP
Answer:
a butte is a small but tall mountain with a flat top and it's what you would see in Colorado with basically cliffs on all sides, a mesa is a much smaller, more of a hill than a mountain but still a mountain. while a mountain usually has a pointed top.
Explanation:
