The earliest fossil evidence for homo erectus in western europe dates from ________ mya and was found in ________.

Answers

Answer 1
The earliest fossil evidence for Homo erectus in Western Europe dates from 1.2 Mya and was found in Sima del Elefante. Homo erectus means upright man, which is an extinct species of archaic humans that lived throughout Pleistocene geological era. They walked just like a modern human with adducted big toe and robust bones.

Related Questions


a. True
b. False. in developed countries, chronic health problems have replaced infectious diseases as the leading killers during the past century.

Answers

the answer is A.) TRUE

Which statement best describes what happened when Constantine tried to establish "New Rome"?

A. He brought the Western Empire under his control and established an empire in Italy that prospered.
B. He was not able to establish "New Rome" because Western Rome's armies were too strong and maintained control.
C. He was overthrown by a foreign prince, and his new empire crumbled under the prince's poor leadership.
D. He was successful in building a new political center in the East, unified by the Christian religion.

Answers

D. He was successful in building s new political center in the East, unified by the Christian religion.

This question refers to the Byzantine Empire, which lasted past the fall of the Western Roman Empire.
Final answer:

Constantine was successful in establishing 'New Rome', also known as Constantinople, as a new political center in the East that was unified by the Christian religion.

Explanation:

The statement that best describes what happened when Constantine tried to establish 'New Rome' is D. He was successful in building a new political center in the East, unified by the Christian religion. This new political center came to be known as Constantinople, now Istanbul. Constantine moved the capital of the empire from Rome to this new city. This event marked a significant shift from the Roman gods to Christianity as Constantine made it the religion of the empire.

Learn more about Constantine and 'New Rome' here:

https://brainly.com/question/16250928

#SPJ2

Loosening a kidney by removing adhesions is called what

Answers

Loosening a kidney by removing adhesions is called nephrolysis. Kidneys are two bean-shaped organs located in the renal system of vertebrates. They play important roles in the body by maintaining overall fluid balance, filtering waste materials and creating hormones that help produce red blood cells.





The mineral most closely associated with proper immune function:

Answers

Hello. The answer is zinc.

The fetal brain begins as a long structure that develops into a variety of different structures. what does the early shape of the fetal brain most resemble?

Answers

The early shape of the fetal brain most resemble a tube. The fetal development starts after conception. After about four weeks the neural tube together with the back is closing. The fetal brain and the spinal cord will develop from the neural tube. Then the other organs and the heart are also starting to form.

Which piece of evidence supports the hypothesis shown in the "within the artiodactyls" origin of the whale lineage, suggesting that the whale lineage diverged from the lineage leading to the hippos after the other members of the order artiodactyla (pigs, camels, etc.) diverged?

Answers

I think the answer would be d because i think thats the answer.

Progression through the cell cycle requires a cyclin to bind to a cdk because __________.

Answers

Because for the binding to happen the Cdk needs to be involved in an enzymatic activity.

I do not know your options but this might be correct.

Hope it helped!

Progression through the cell cycle requires a cyclin to bind to a cdk because Cdk needs to be involved in an enzymatic activity.

What is CDK cell?

Serine/threonine kinases known as cyclin-dependent kinases (CDKs) depend on the cyclin regulatory component for their function.

According to the kinase domain sequence, CDKs, along with mitogen-activated protein kinases (MAPKs), glycogen synthase kinase-3 beta (Gsk3), members of the dual-specificity tyrosine-regulated kinase (DYRK) family, and CDK-like kinases, are members of the CMGC group of kinases.

Recent renaming of the proteins in this family as Cdk1 through Cdk20 has made it easier to identify and analyze CDKs.

Therefore, Progression through the cell cycle requires a cyclin to bind to a cdk because Cdk needs to be involved in an enzymatic activity.

To learn more about cell, refer to the link:

https://brainly.com/question/3142913

#SPJ2

Which of these best describes a lacteal? a deep pocket in the intestinal wall where endocrine and antimicrobial cells are located a lymphatic vessel designed to help introduce fats to the blood special capillaries in the villi designed for absorbing food effectively a projection of the small intestine wall designed to increase surface area?

Answers

Lacteal is a lymphatic vessel designed to help introduce fats to the blood.A lacteal is a lymphatic capillary, located in the villi of the small intestine, that absorbs dietary fats and then transport it to the bloodstream. The fats pass into the lacteals in the form of chylomicrons which inside the lacteal becomes a milky substance called chyle.

Final answer:

A lacteal is a lymphatic vessel located within the villi of the small intestine. Its primary function is to help introduce fats and lipid-soluble vitamins into the bloodstream by creating a fluid called chyle. The best description among the provided options would be a lymphatic vessel designed to help introduce fats to the blood.

Explanation:

A lacteal is indeed a lymphatic vessel, but more specifically, it is located within the villi of the small intestine. Villi are small hairlike vascularized projections that greatly increase the surface area of the intestine, enhancing the absorption of nutrients. Dietary triglycerides and other lipids combine with proteins in the small intestine, then they enter the lacteals to form a milky fluid called chyle. This chyle moves through the lymphatic system, eventually delivering these fat nutrients into the bloodstream.

The best description among the options given would thus be 'a lymphatic vessel designed to help introduce fats to the blood' because this accurately represents the unique function of lacteals in the absorption and transport of dietary fats and lipid-soluble vitamins from the small intestine to the bloodstream.

Learn more about Lacteal here:

https://brainly.com/question/31608720

#SPJ11

Which of the following is an example of an environmental variation?
a Marge dyes her hair blue.
b Homer inherited baldness from his father's side of the family.
c Apu is a tongue roller, but his brother Sanjay is not.
d Bart is a boy because he has an X and a Y chromosome.

Answers

I believe the example of an environmental variation in the above question is, A. Marge dyes her hair blue. Variation represents any difference between cells, individual organisms, or groups of organisms of any species caused by either genetic differences or by the effect of environmental factors. Environmental variation is the ability of an organism to alter its phenotype depending on environmental conditions.

Answer:

A. Marge dyes her hair blue

Explanation:

I love the simpsons :)

Question 13 unsaved when a person becomes infected by hiv, the virus multiplies and attacks and destroys _______. question 13 options: fat cells red blood cells nerve cells white blood cells smooth muscle

Answers

The HIV virus attacks and destroys CD4 T cells

Answer:

the answer above is right lol

Explanation:

just did it

Why are finches important to Darwin's idea?

Answers

It helps to give solid evidence of natural selection. The idea is that there are a number of finches in the Galapagos Islands. These birds vary slightly in appearance, in the function of their beaks and in size. Two species can eventually alter themselves because of the environmental conditions they live in. Some traits will be passed on or developed in one group and not in the other or vica versa. These finches are remarkable in that it did not take long for the changes to take place. It is probably one of the strongest reasons for believing in natural selection, because only those birds who could adapt to change could easily pass on these advantages to their offspring. The relatively short period of time to enact these changes is what makes the this example  so attractive.
 

Which of the following professions has NOT contributed significantly to the development of therapeutic use of herbs and pharmaceuticals?

anthropologist
biologist
chemist
botanist

Answers

The correct answer is ANTHROPOLOGIST.
An anthropologist is a professional, who engaged in the study of various aspects of human within past and present societies. Such professionals are involved in the research and study of socio-historical, linguistic, and biological aspects of human. Biologist, chemist and botanist are actively involved in the development of drugs.

Which hormone plays a major role in protein synthesis and also supports the action of cortisol by decreases glucose uptake, increases ffa mobilization and enhances gluconeogenesis?

Answers

The correct answer is Growth Hormone (GH).
Growth hormone (GH) which is also known as somatotropin is a peptide hormone produced by the anterior pituitary gland. Its role is to stimulate growth as well as cell reproduction, and cell regeneration. GH belongs to a group of stress hormones, it raises the concentration of glucose and free fatty acids.

Why is river water less clear at the mouth than at the source?

a.because the mouth is warmer

b.because the source is colder

c.because the mouth has debris

d.because the source is warmer

Answers

Final answer:

River water is less clear as it approaches the mouth compared to the source because of increased sedimentation, debris, and phytoplankton that accumulate in the slower, wider, and warmer parts of the river.

Explanation:

The clarity of river water changes from the source to the mouth due to a variety of factors involving the abiotic features of rivers and streams. At the source, the water is typically cold, clear, and low in nutrients, flowing rapidly through a narrow channel. As the river travels downstream, it gathers more water from tributaries, the channel widens, the gradient decreases, and the water slows down. This environment allows for more sedimentation and the growth of phytoplankton, which makes the water appear less clear. Moreover, the longer exposure to sunlight and less tree cover can make the water at the mouth warmer.

So, the correct answer to why river water is less clear at the mouth than at the source is c. because the mouth has debris, which is inclusive of the increased sedimentation and other particulate matter that accumulates as the river approaches its mouth.

The river water is less clear at the mouth than at the source is c. because the mouth has debris.

As a river flows from its source, it picks up sediment, organic matter, and other particles from the surrounding landscape. By the time the river reaches its mouth, where it meets a larger body of water such as an ocean or a lake, it often carries a significant load of these materials. This increase in suspended particles and sediments reduces the clarity of the water.

Additionally, at the mouth, the river's flow slows down, allowing particles to settle less efficiently and increasing turbidity. In contrast, the water near the source is typically clearer because it has not yet accumulated a large amount of debris and sediments.

Upon swallowing, food moves from the mouth directly into the

Answers

Upon swallowing, food moves from the mouth directly into the oropharynx. Swallowing involves three stages; the oral phase where food is chewed and mixed with the saliva to form bolus, Pharyngeal phase where the vocals fold close to keep food and liquids from entering the airway, and the Esophageal stage where the bolus moves into the esophagus, the muscular tube that contracts to push the bolus into the stomach. 

Which example displays a type of point source pollution?
- rainwater carrying toxic chemicals and debris to a river
-melted snow mixed with debris flowing into a city
-untreated water from a factory flowing into a lake
-smoke released by trucks
-rainwater mixing with garbage on the sidewalks of a street

Answers

"Untreated water from a factory flowing into a lake" is an example of point source pollution. 
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.

If I helped you mark brainliest.
 

Answer: untreated water from a factory flowing to the river.

Explanation: Point source pollution can be defined as the single source by which the polluted water is coming or pollution is coming.

Here the source is factory and the polluted water from the factory is discharged into the lake.This water from the lake can be transferred to other places.  

So, the point source is polluted water from factory

Biyu was in a skiing accident. she suffered traumatic head injuries when she came in contact with a tree. biyu's cerebral cortex no longer registers electrical activity, but her brain stem remains active. biyu __________.

Answers

Biyu then is in a persistent vegetative state also known as brain death. This usually follows a coma. People in this state already lost their thinking abilities yet retaining sleeping patterns as well as the breathing and circulation are intact.

A proposed theory in the history of evolution where prokaryotic cells engulfed aerobic heterotrophic prokaryotes and photosynthesis prokaryotes is called?

Answers

This theory is called endosymbiosis. 
Think this is how chloroplasts came into being as well as mitochondria.

Living organisms require nitrogen to make blank which are used to build proteins

Answers

Answer: Amino Acids

All living organisms especially the plants require nitrogen to make amino acids which are used to build proteins.

In plants, nitrogen is turned into organic compounds in the form of glutamate in order for amino acids to be formed. 

Jerry loves the smell of the grass after it rains. this is a result of his ________, which has/have received signals from neurons in his sinus cavity

Answers

Olfactory bulb

Jerry loves the smell of the grass after it rains. This is a result of his olfactory bulbs, which has/have received signals from neurons in his sinus cavity. Olfactory bulb is a structure located in the forebrain of vertebrates. It receives neural input about odours detected by cells in the nasal cavity.The axons of olfactory receptor cells stretches directly into the olfactory bulb, where information about odours is processed.







List 6 forms of renewable energy and compare the advantages and disadvantages of each

Answers

There are different types of renewable energy:  renewable energy is a concept that is focused on the fact in order to produce those type of energy their Source must be a renewable one. these renewable sources come from the sun the wind the water and all these forms have their advantages and disadvantages. 

Starting with the solar form of energy this form of energy sure as the advantages of Infinity power as well as the ability to be easily collected when possible but it also has the disadvantage that this technology available at this time allows to a limited efficiency.

 The eolic is one of the best known and used which of course is an advantage but large complex of eolic energy are expensive and often they are just as destructive as the fossil fuel forms of energy.

 There is also the geothermal energy which comes from the Earth this form of energy is well studied and known which is one of the plus sides of this type of energy but it is available only in remote areas or in places where it's not easy to build a geothermal complex.

 As for the water its great power can be used in many ways such as rain buy also tides and waves.  While hydroelectric power often is used in many countries the environmental impact of this form of energy is great, though it is proven to be extremely useful in many contexts.

 As for waves technologies, it is still a new form.  The advantages of this form of technology are obvious, as it is for many renewable technologies,  still, it is not well studied as other forms of Technologies,  so this could be considered as a disadvantage.

 For the last form of energy which is tide energy disadvantages and advantages are very similar to wave energy as it is one of the most not known form of renewable technology and so further studies should be pushed up in order to have a better knowledge.

After receiving a tick bite, jenny worries that she may have become infected with lyme disease. her doctor immediately orders a lyme titer, which comes back as negative. her doctor advises her to come back in three weeks and have the titer repeated. why? the initial titer may have been done so early in the infection that detectable levels of antibody were not yet present the laboratory may have made an error, but it is unlikely to make the same error twice the doctor will send the second titer to a different laboratory as a backup t cell stimulation is delayed during lyme disease incubation

Answers

For the answer to the question above, I think that the initial titer that has been done to her may have been done too early in the infection that detectable levels of antibody were not present yet so that's why they have to repeat it.

Reductions in the population size of the graceful antelope, a hypothetical species, has led to inbreeding. deleterious after-effects of that inbreeding are leading to further decreases in the population size of this species. this pattern is an example of a(n)

Answers

I believe this is an example of an extinction vortex. Extinction vortex is used to describe the process that declining populations undergo when a mutual reinforcement occurs among biotic and abiotic processes that drives population size downward to extinction. Through it conservation biologists, geneticists and ecologists can understand the dynamics of and categorize extinctions in the context of their causes. 

Final answer:

The pattern of a population decline due to inbreeding and the associated deleterious effects is known as inbreeding depression, which exacerbates the reduction in genetic diversity and evolutionary capacity of the species.

Explanation:

The pattern described in the question, where inbreeding leads to a decrease in population size due to deleterious effects, which in turn leads to more inbreeding and further population decline, is an example of an inbreeding depression. This occurs when related individuals mate, resulting in reductions in reproduction and survival of offspring due to an increase in the expression of harmful genetic variants, a phenomenon also known as deleterious alleles. As the population size decreases, the probability of inbreeding increases, often exacerbating the situation. This process can significantly lower a population's genetic diversity, ultimately leading to reduced evolutionary capacity and further declines in population vitality.

Moreover, this reduction in genetic diversity can make populations more susceptible to environmental changes, possibly leading to an increased risk of extinction. Important factors such as genetic drift, the bottleneck effect, and the founder effect are other evolutionary forces that influence genetic variance and can cause shifts in allele frequencies within a population, further impacting its genetic health. Additionally, these processes are tightly linked with natural selection, which can either help weed out these detrimental traits or, in small isolated populations, it may not be as effective due to decreased genetic variance.

Why might it be beneficial for each firefly species to have its own unique light pattern?

Answers

Fireflies use the bioluminescence to attract mates for mating hence key in reproduction. Therefore, beetles from different species should have different lighting patterns so that they can only attract mates of the same species. This would avoid interspecies mating which would probably involved expending energy in produce nonviable offspring which is inefficient (hence will be unfavoured natural selection).    
Every firefly species has their own unique light pattern, so they can attract mates of the same species. The flashing is helpful when they need to find each other in the dark.  Female fireflies choose their mates depending upon specific male flash pattern characteristics.

A: In a cell, small vacuoles that are involved in transporting substances are often called

Answers

Simply Stated: Vesicles Here


Hope this helps

Answer:

The small vacuoles that are involved in the transporting the substances are known as vesicle. It is a large structure present in the cell, extracellular, consisting of the liquid enclosed by a lipid bilayer.

There are different types of vesicle one of them is transport vesicle. It moves the molecules within the cell. The cell make protein and require them for function and this transportation is done by vesicle.

Golden rice has been genetically engineered. golden rice differs from other rice varieties because it contains genes that will produce _____.

Answers

beta-carotene
Hope that helps

Answer:

Golden rice has been genetically modified to contain a molecule that helps to make Vitamin A

and other rice varieties because they contain genes that produce beta-carotene

During development embryonic cells will fuse to form muscle fibers. this will result in ________.
a. interlocking of cells that can prevent the filaments from sliding
b. the coordination of nerve signals to muscle fibers
c. the striations that appear in skeletal and cardiac muscle tissues
d. multinucleated muscle fibers that can extend as long as 30 centimeters

Answers

D. multinucleated muscle fibers that can extend as long as 30 centimeters

Final answer:

Embryonic cells called myoblasts fuse to create multinucleated muscle fibers during development, which can measure up to 30 centimeters long in certain muscles.

Explanation:

During development, embryonic cells known as myoblasts derived from the mesoderm undergo fusion to form muscle fibers. This results in multinucleated muscle fibers that can extend up to 30 centimeters in length, particularly in the Sartorius muscle of the upper leg. As multiple myoblasts, each with its own nucleus, contribute to the formation of a single muscle fiber, they create a cell with multiple nuclei, providing numerous copies of genes necessary for protein and enzyme production critical for muscle function.

The presence of multiple nuclei is a distinctive characteristic of skeletal muscle fibers, while the striated appearance arises from the organized pattern of contractile proteins such as actin and myosin.

A client with a history of hypertension is diagnosed with primary hyperaldosteronism. this diagnosis indicates that the client's hypertension is caused by excessive hormone secretion from which gland

Answers

aldosterone from the adrenal gland is the answer

Name for the narrow opening between the uterus and the vagina

Answers

The answer is cervix. It is cylindrical in shape and found at the base of the uterus and where the vagina begins. It is 2 – 3 cm long. The cervix enlargens during pregnancy to allow the passage of the fetus during childbirth. It is also a conduit for sperm from the vagina to the uterus as they swim upstream to fertilize the egg.






You should only hold your breath when you're preparing to exert a force during exercise.
a. True
b. False

Answers

false is the correct answer 
Other Questions
A spinner is spun 120 times and stops on blue 32 times. Calculate the experimental probability of the spinner stopping on blue. Why has Laurie been inside his grandfather's house for more than a week? A. He has been taking care of his mother.B. He has been sick.C. He is afraid to leave.D. He is being punished. Identify the unnecessary adjective in the following sentence. Many varied courses are offered in college Krypton-79 has a half-life of 35 hours. how many half-lives have passed after 105 hours? Dustin is stuck at the top of a ferris wheel. his mother is standing 38 feet from the base of the wheel watching him. if the angle of elevation from dustin's mom to Dustin is 73 degrees, how far off the ground is nick?A. 118.2 ftB. 120.9 ftC. 124.3 ftD. 126.5 ftE. 128.1 ft Groups of skin cells from epithelium, which lines organs and cavities in the body. The epithelium is MOST LIKELY a kind of:a) cell.b) organ.c) tissue.D) organ system: For the particular problem raised in the introduction, assume that the total bill is $44. to answer the question "how should the bill be split?" we will create a linear equation. the unknown is how much money a single person (besides anika) must pay, so call that x. although four people (you plus three friends) went to dinner, only three are paying the unknown amount x for a total of 3x. since anika is paying $2, the total amount paid is 3x+2 dollars, which must equal the amount of the bill, $44. thus, the equation to find x is 3x+2=44. the steps for solving a linear equation are as follows: move all of the constants to the right side. move all of the variable terms (terms containing x) to the left side. divide both sides by the coefficient of the variable to isolate the variable. you will go through these steps one at a time to solve the equation and determine how much each person should pay. Morgan corporation uses estimated direct labor hours of 200 comma 700 and estimated manufacturing overhead costs of $ 920 comma 500 in establishing manufacturing overhead rates. actual manufacturing overhead was $ 970 comma 100, and allocated manufacturing overhead was $ 1 comma 013 comma 000. what was the number of actual direct hours worked? (round intermediary calculations to the nearest cent and the final answer to the nearest dollar.) Janine antoni's touch is a video work in which _____________________ is flattened through illusion. Is 7+8x=y proportional, if so what is the constant proportionality?Is y=-2/5x proportional, if so what is the constant proportionality? The thought processes we use to assign causes to our own behavior and that of others are called ___________. Does water move in or out of cell during hypotonic and hypertonic solutions? 12. Which of the following is CourseBit? (1 point)an online class focused on drawing for architectural purposesa leading Moodle development and hosting provider that focuses on highly customized systemsan icon in Blender that allows you to easily switch between screensa widget with which all animators should be familiar13. In Blender, which interface principle corresponds to the user interface that allows a user to view all options and tools at a glance with pushing or dragging editors around? (1 point)non-blockingnon-overlappingnon-modalnon-confrontational In the french programme scolaire, some students may have classes on saturdays. a. True b. False Which was a lesson learned at the first battle of bull run? Sweetened beverages supply nearly half of all the added sugars consumed by americans. true or false Which is a main idea in the Ninth Amendment? In regard to irony in Williams poem The Red Wheelbarrow, which of the following is true? a. the irony is situational b. the irony is actually litotesc. there is no apparent irony in the poemd. the irony is emotions irony Plz help A cheetah runs at a speed of 50 miles for every hour. If the distance traveled, in miles, is d and time, in hours, is t, which equation shows the relationship between d and t?A.t=50dB.d=50 + tC.d=50tD.t=50 +d Find the quotient. Write your answer USING A DECIMAL and ROUNF TO THE NEAREST HUNDREDTH.8,42682