Complete question:
In a separate study, 68 rock pocket mice were collected from four different, widely separated areas of dark lava rock. One collecting site was in Sonora, Mexico. The other three were in Chihuahua, Mexico. Dr. Nachman and colleagues observed no significant differences in the color of the rocks in the four locations sampled. However, the dark-colored mice from the three Chihuahua locations were slightly darker than the dark-colored mice from the Sonora population. The entire Mc1r gene was sequenced in all 68 of the mice collected. The mutations responsible for the dark fur color in the Sonora mice were absent from the three different populations of Chihuahua mice. No Mc1r mutations were associated with dark fur color in the Chihuahua populations. These findings suggest that adaptive dark coloration has occurred at least twice in the rock pocket mouse and that these similar phenotypic changes have different genetic bases.
How does this study support the concept that natural selection is not random?
Answer:
The study supports the concept that natural selection is not random because in different areas with the same or very similar environmental characteristics, the same phenotype was produced by different types of mutations.
Explanation:
All of the sampled animals are inhabiting dark substrate. Probably animals needed to camouflage to survive. They can do it by having a similar fur color that the color of the rocks they live on. Natural selection must have driven them to produce dark color, similar to the substrate color. So animals from the different regions suffered different mutations that drove them to have almost the same dark fur color. The environmental condition is favoring the same phenotype.
PlS HELP 30 POINTS FOR BRAINLIEST!!!!!!!!!!!!!!!!!!
Answer:
It's a little difficult to see the difference between the finch 1 and finch 2 population lines, but their trends should match those of the food. This answer is assuming the finch 1 population aligns with the seeds line and the finch two population lines up with the fruit line: The finch 1 population has a beak adapted to eating seeds and the finch 2 population has a beak better adapted to eating fruit
Explanation:
Since we are given data for both the food source and the finch population, the answer will most likely reflect that. Therefore eliminating choices A (disease) and C (feathers). Again, this answer is assuming the finch 1 population aligns with the seeds line and the finch two population lines up with the fruit line. The lines for the finch population will match with the availability of food, so less seeds mean less finch 1 and when the amount of seeds rise up you can see the population of finch 1 also rises.
Pls help asap
Problem
A car sells for \$5000$5000dollar sign, 5000 and loses \dfrac{1}{10}
10
1
start fraction, 1, divided by, 10, end fraction of its value each year.
Write a function that gives the car's value, V(t)V(t)V, left parenthesis, t, right parenthesis, ttt years after it is sold.
Answer: V(t)=5000(9/10)^t
Explanation:
If the car loses 1/10 of its value each year, that means 9/10 of the value remains each year.
So each year, the car's value is multiplied by a factor of 9/10 or 0.9
If we start with the initial value, $5000 and keep multiplying by 9/10 his function gives us the car's value t years from now:
Which of the following describes hygiene?
A. Practices that prevent disease
B. Strategies to protect patient information
C. Steps for communicating effectively
D. Methods for properly lifting patients
SUBMIT
It’s A
Answer:
A
Explanation:
hygiene is done by oneself
Answer: A. Practices that prevent disease
Explanation: took the quiz
Which situation is an example of altruistic behavior?(1 point)
A) A child steals an apple.
B) A child shares an apple.
C) A child eats an apple.
D) A child throws away an apple.
Answer:
B. A child share an apple
Explanation:
Im sorry if this is wrong
A child who shares an apple shows altruistic behavior.
What is altruistic behavior?
Evolutionary biologists determined that an animal's behaviors are altruistic when they benefit other individuals, even to the potential detriment of themselves. Bees, ants, and termites are examples of altruistic behavior.Thus, we can conclude that in option B a child who shares an apple shows altruistic behavior.
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Based on this information, what is the most likely relationship between common garter snakes and rough-skinned newts?
Explanation:
In evolutionary theory, the relationship between the rough-skinned newt and the common garter snake is considered an example of co-evolution. The mutations in the snake's genes that conferred resistance to the toxin have resulted in a selective pressure that favors newts which produce more potent levels of toxin.
why is it painful when a bee stings you.
Why is protein synthesis important when we talk about genetic variation?
Answer:
Protein synthesis is the process all cells use to make proteins, which are responsible for all cell structure and function. In transcription, DNA is copied to mRNA, which is used as a template for the instructions to make protein. In the second step, translation, the mRNA is read by a ribosome. The key to a protein molecule is how the amino acids are linked. The sequence of amino acids in a protein is a type of code that specifies the protein and distinguishes one protein from another. A genetic code in the DNA determines this amino acid code.
Explanation:
Choose the term that best matches the description given.
This is a century-old member of the crime-scene investigation team:
Identi-KIT
forensic nurse examiner
Jane Doe Kit
forensic photographer
.
.
.
Answer:
forensic nurse examiner
Forensic nurse examine is a century-old member of the crime-scene investigation team.
The inception of forensics and medicine has been noted to go back as far as the days of early civilization, with evidence suggesting Egyptian and Hindu medicine showed an understanding of poisons and toxicology.What is a forensic nurse examiner?Forensic Nurse Examiners (FNEs) help victims of all ages who have suffered abuse, neglect, assault, trauma, or any other crime-related injuries.FNE also providing them the education and expertise to assist physical assault victims. FNEs also act as liaisons to state child protective service organizations as well as providing support in mass-disaster incidents.To know more about forensics here
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Choose one animal species to study and write a summary of how they reproduce. Include the animal's age at puberty, recommended age for breeding, length of estrus cycle, length of ovulation, and length of pregnancy.
Then write a one-page summary on this species' recommended breeding program and all the different things an animal producer must consider in breeding this animal over its lifetime.
Finally, list the barriers to fertility in this species and how they can be overcome.
Upload your work.
Answer:
Dogs
Explanation:
Answer:
How Do Cows Reproduce?
12 to 14 months is the age of puberty in a cow, but early maturing breeds do reach puberty by the time they are around 7 to 9 months of age. Cattle producers are working towards using science to bring that age down so that milk and meat producers can start using their cattle at a younger age. Usually, it's best to wait until they are at least 15 months of age before breeding cattle. This is so that their bodies have fully matured before trying to get them to reproduce. Even with the early maturing breeds you should wait around 13 to 15 months of age before you can breed them. The Estrous Cycle of Cattle averages a 21-day period. The length of ovulation varies partly depending on the species. The mean time of ovulation for dairy cows is 15 ± 2.6 hours. But the ovulation time does vary greatly, here are some other examples: Short- horn, 12.69 ± 1.15 hours; Angus, 13.93 ± 1.68 hours; and Hereford, 13.5 ±.87 hours. (www.sciencedirect.com/science/article/pii/S0022030241953912) A cow's gestation period (how long after insemination the mother is pregnant with the calf) is approximately nine months. But if your cow has calved before, there's a good chance she'll give birth after the same number of days as before. Some things you should consider when breeding cattle are as follows:
Safety- Your safety is more important than the animals, so it is smart to learn good safety measures when breeding such a large animal.
Fertility- You should get the IBR vaccine for your cows because IBR can cause the unborn calves to die. This situation is also known as an IBR abortion. Appropriate management of the bull is also an important factor when considering infertility. For example, you must have an appropriate bull to cow ratio for your farm and pastures.
Mating or insemination? - many farmers take the less natural rout of artificial insemination to grow there heard because they do not have to have a prized bull to have their cow breed with one. It can save farmers money to use artificial insemination, but it also flattens out the gene pool because lots of people are using the same animals so there’s less diversity. There are pro’s and con’s to both sides so make sure you do your research before deciding what method to take for breeding.
Breeding plan- Setting up a breeding program involves setting a breeding goal, making the selection of parents, and then carrying out the mating or artificial insemination. Your breeding plan should be specific to you and your farm.
2. What is a characteristic of animals that use chemicals for defense?
A. They rely on Mullerian mimicry for defense.
B. They rarely use camouflage as a defense.
C. They usually use their speed for defense.
D. They rely on Batesian mimicry for defense.
They rely on Mullerian mimicry for defense.
The insect mimic the other insect which is toxic to the predator.By this method they increase there chance of survival.What is mimicry?It is the close resemblance, in color, form, or behavior, of one organism to another or to some object in its environment, as of some insects to the leaves or twigs of plants.It serves to disguise an organism from a predator or prey.Hence, A option is correct.
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What is the other name for the constellation seen here ?
Answer:
Another name of constellation is
group of star.
What two elements are used in carbon dioxide
Answer:
1 carbon atom and 2 oxygen atoms
Explanation:
Answer:
Carbon dioxide, CO2, is a chemical compound composed two oxygen atoms covalently bonded to a single carbon atom.
Explanation:
Which population is most likely to survive in the event of a new disease?
A.
a very diverse population
B.
a somewhat diverse population
C.
a population with little diversity
D.
a population with no variation
Answer:
A
Explanation:
I don't know if this is the answer but I think it's A because more diversity means more opinions and more opinions means more solutions to the problem at hand
The two DNA bases that are pyrimidines are:
Answer:
cytosine and thymine / C and T
QUESTION 9
Neurotransmitters are stored in
A. the synaptic cleft.
B. synaptic vesicles.
C. the postsynaptic neuron.
D. Nissl bodies.
E. smooth endoplasmic reticulum.
Answer:
B. synaptic vesicles
Explaination: online resources:)
Psychology:
Edward B Titchener was from which
country?
A. Germany
B. America
C. Britain
After a series of cell divisions, an embryo develops different types of body cells such as muscle cells, nerve cells, and blood cells. This development occurs because A. the genetic code changes as the cells divide B. different segments of the genetic instructions are used to produce different types of cells C. different genetic instructions are synthesized to meet the needs of new types of cells D. some parts of the genetic materials are lost as a result of fertilization
Answer:
C
Explanation:
different segment of the of the genetic instructions are synthesized meet the needs of the new type of cells
31
Directions: Select the correct planet
The diagram below shows the orbits of the inner planets around the Sun. Based on the diagram, which inner planet has the longest
year?
Nenus
Mars
Mercury
Earth
Explain how selective pressure differs when species are exposed to competitive versus consumption (e.g., predator/prey) interactions and describe how this affects their adaptation to the interaction
Explanation:
Apparent competition occurs when two individuals that do not directly compete for resources affect each other indirectly by being prey for the same predator (Hatcher et al. ... The opposite effect could also occur through a decrease in food resources for the predator
what is the pollinating agent of Ornithophilous
Answer:
Birds? Nectarivorous birds
Explanation:
Hummingbirds rely on nectar for energy, and ornithophilous flowers need hummingbirds' assistance with pollination in order to reproduce. While the birds are feeding, pollen sticks to their beaks, which will rub off on the next flower they visit, pollinating it.
How do water's relative densities as a solid and a liquid differ from that of most other substances?
Which change is an environmental effect of building dams?
A.) weed growth upstream
B.) increased water temperature upstream
C.) sediment builds up downstream
D.) increased fertility downstream
A large population of butterflies lives in southeastern Asia. About half have spots and half don’t. In 1995, a rare viral illness was introduced to the population, and there was no cure. More spotted butterflies than un-spotted butterflies were killed by the illness, although the fact that they had spots had no bearing on their risk for illness. Which evolutionary mechanism is this an example of?
A)Genetic drift
B)Geographic isolation
C)DNA mutations
D)Reproductive isolation
Answer:
a
Explanation:
please answer this question:)
Which of the following traits has occurred as a result of natural selection?
A. overtime racoons learn to get food from garbage cans.
B. over time a person increases muscle mass with exercise
C. overtime honeysuckle flowers developed a sweet smell to attract pollinators
D. overtime corn plants are bred to make larger corn cobs and kernels
Over time corn plants are bred to make larger corn cobs and kernels have occurred as a result of natural selection. Hence, option D is correct.
What is natural selection?The process through which populations of living things adapt and change is known as natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. This variety indicates that some people have characteristics that are more environment-appropriate than others.
The development of giraffes' long necks is a prime illustration of natural selection in action. Animals with necks of average length, like deer or antelope, were the ancestors of current giraffes.
Over time corn plants are bred to make larger corn cobs and kernels have occurred as a result of natural selection. Hence, option D is correct.
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which of the following is NOT a basic need of plants in order to live
a.water
b.oxygen
c.sunlight
d.carbon dioxide
just say a b c or d is the answer ill give brainlist and ten points
which of the following should a teenager and not do to maintain reproductive health
What negative effect occurs when there is a decrease in air quality?
Answer:
d
Explanation:
The following case study is a paraphrase from "Good Clinical Practice. Standard Operating Procedures for Clinical Researchers" (Kolman, J., Meng, P. and Scott, G. editors; John Wiley and Sons publishers, 1998):
“While a study subject and a relative were walking in town one day during the summer, a hanging flower basket fell on a study subjects head, resulting in the study subject falling down and becoming unconscious. The subject’s relative called for an ambulance. On arrival at a local hospital’s Emergency Department, in which the subject regained consciousness but could not recall the event, a x-ray revealed a fractured skull. The subject’s consciousness level at this point was deteriorating and after further tests a subdural hematoma was diagnosed, which was evacuated under general anesthesia. Postoperative recovery was uneventful and progressing well until day four, when the patient developed acute dyspnea (shortness of breath) at rest during visiting time. An emergency lung scan was performed that confirmed a diagnosis of pulmonary embolism. The study subject was anticoagulated and was eventually discharged from the hospital”
1. What is/are the AE/s in the case study?
2. Are there any AEs that are "serious"? If "yes", list them and state why they are serious.
3. What are your thoughts about the AE(s) being related to the study drug (NOTE: we do not know whether the subject is on active drug or placebo)?
PLEASE HELPPP question and choices in the picture below
Answer:
B
Explanation: