The oligocene deposits in the fayum of Egypt contain many of the earliest-known monkeys fossils.
Egypt is the most significant Oligocene location. The first signs of the developing old world monkeys have been found in the Fayum region of the Western Desert, specifically in the Qasr El Sagha and Jebel Qatrani formations. This paleoenvironment was home to the Oligocene higher primates Aegypto..pithecus, Proplio..pithecus, Para..pithecus, and Api..dium, both of which are known to have been arboreal based on their postcranial fossils.The first two are from the Sagha Formation, officially the latest Eocene in age, but the deposits are continuous, along with some other unknown affinities.
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The earliest evidence of ancestral ____ are found in middle pleistocene deposits in kenya.
Answer: chimpanzees
Explanation:
The earliest evidence of ancestral hominin are found in the middle pleistocene deposits in kenya, Africa. Pleistocene showed to have the earliest occurrence of about 2 million years ago.
What are evidences of ancestry?
Fossils, anatomy, embryos, and DNA sequences provides the line of evidence about the common ancestry of today's organisms. It provides evidence of more closely related organisms having more characteristics in common. DNA sequences underlies the similarities and differences in the fossils, anatomy, and embryos of human population.
The hominin fossil record is found in the Pleistocene is increasingly well documented. One species for which there is substantial new information is Homo erectus which are found in the deposits of Kenya, Africa.
Homo erectus is an extinct species of archaic human race from the middle Pleistocene, with its earliest occurrence about 2 million years ago.
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In the electrolysis of water, how long will it take to produce 115.0 L of H2 at 1.0 atm and 273 K using an electrolytic cell through which the current is 121.0 mA
It will take 2273 h.
Here, the ideal gas equation is used.
What is the ideal gas law?According to the ideal gas law, a gas's pressure is directly proportional to its volume and temperature.
[tex]PV = nRT\\[/tex]
where,
P = Pressure
V = Volume
n = No. of moles
R = Ideal gas constant
T = Temperature
Given,
V = 115.0 L
P = 1 atm
T = 273 K
I = 121 mA
R = 0.0821 atm. L/mol.K
Put the values in the above formula
[tex]n = \frac{PV}{RT}[/tex]
[tex]= \frac{1(115)}{(0.0821) (273)}[/tex]
[tex]= 5.13 mol[/tex]
The equation says,
2H⁺ + 2e⁻ → H₂
no. of electrons = 2
1 mol of the electron produces a 96500 C charge
5.13 mol of electrons will give = 5.13 × 2 × 96500
= 990,090 C
I = 121 mA = 0.121 C/s (1mA = 0.001 C/s)
We know,
q = It
where,
q = charge
I = current
t = time
t = q/I
t = 990,090/ 0.121
t = 8182562 s
t = 2273 h
Therefore, it will take 2273 h.
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An organism is viewed under low power and occupies approximately ¼ of the field diameter. The field diameter of this particular microscope under low power is 2000 µm. Calculate the actual size of the organism.
The actual size of the organism will be 5 µm.
Microscope magnificationThe organism occupies 1/4 of the field diameter.
The field diameter is 2000 µm. So, the organism occupies 1/4 x 2000 = 500 µm.
The total magnification under the low power objective is 100.
100x = 500, x = 500/100 = 5 µm
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What three major groups of molecules can be used as fuel for cellular respiration?
Glycolysis, Krebs cycle, Electron transport chain .In cellular respiration oxygen and glucose react and form ATP . water and carbon-dioxide are released as byproducts. These three stages of aerobic respiration.
Glucose which is the primary fuel for cellular respiration ,without that the process can't be started because there is no pyruvate for use in kerbs cycle in which NADH and carbon is formed.
Cellular respiration occur both aerobically (with oxygen) or aerobically (without oxygen). Anaerobic respiration is a normal part of cellular respiration. Glycolysis is first step in cellular respiration is anaerobic and does not require oxygen. If oxygen present then continue form kerb cycle and oxidative phosphorylation.
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Which of the below features was not used to identify the early Homo distinction from Australopithecines
The correct answer is reduction in tooth size.
The anatomy of the foot and pelvis are the feature of Australopithecus afarensis that is used to definitively classify this species as a hominin.
AustralopithecinesAustralopithecines are an adaptive radiation of early hominins, all of which were to some extent bipedal, had brains that were only slightly larger than those of apes, and had adaptations to a diet that included at least occasionally hard-to-chew items. They have been identified through research on perhaps ten species that lived in central, eastern, and southern Africa between 4.2 million and 1.0 million years ago. Understanding australopithecines is essential to comprehending not only the diversity of early hominins but also the origins of Homo. Our genus Homo probably originated from this radiation, albeit we are unsure from which species.
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If an overlap develops between the ranges of two closely related species, and if the species seek to occupy the same niche in the zone of overlap. What will probably happen in the zone of overlap?
The two species will interbreed and produce a hybrid species If an overlap develops between the ranges of two closely related species, and if the species seek to occupy the same niche in the zone of overlap.
When two members of the same species mate, the offspring receives half of each parent's DNA. This is what gives you a mixed-parent appearance. Hybrids are produced when two different species are crossed, and as a result, they have a 50% gene contribution from each parent species.
A hybrid in reproductive biology is a child born from the union of two parents belonging to different species or subspecies. A mule is an illustration of an animal hybrid. The creature is the result of breeding a horse with a donkey. Another animal hybrid is the liger, which is produced when a lion and a tiger mate.
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How do dying stars contribute to the formation of plants
How would you describe an epithelium consisting of a single layer of cells in which all cells rest directly on the basement membrane and all cells reach the apical surface?.
Columnar epithelium consists of a single layer of cells in which all cells rest directly on the basement membrane and all cells reach the apical surface.
What is a epithelial tissue?
Epithelial tissue has a free surface, which faces either a body fluid or the outside environment and thus provides a covering or a lining for some parts of the body.
There are two types of epithelial tissues namely :
Simple epithelium: Simple epithelium is composed of a single layer of cells and functions as a lining for body cavities, ducts, and tubes.Compound epithelium: The compound epithelium consists of two or more cell layers and has protective function as it does in our skin.Simple epithelium is further divided into three types, they are;
The squamous epithelium is made of a single thin layer of flattened cells with irregular boundaries. They are found in the walls of blood vessels and air sacs of lungs and are involved in functions like forming a diffusion boundary.The cuboidal epithelium is composed of a single layer of cube-like cells. This is commonly found in ducts of glands and tubular parts of nephrons in kidneys and its main functions are secretion and absorption. The columnar epithelium is composed of a single layer of tall and slender cells. Their nuclei are located at the base. Free surface may have microvilli. They are found in the lining of stomach and intestine and help in secretion and absorption.To learn more about epithelial tissues: https://brainly.com/question/13404204
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For a fee, a copy of an inspection report filed by a licensed structural pest control operator may be obtained from the Structural Pest Control Board by:
For a fee, a copy of an inspection report filed by a licensed structural pest control operator may be obtained from the Structural Pest Control Board by anyone who requests it and pays the fee.
What is an inspection report?An inspection report is a document generated by a company that undertakes inspections for a client in order to explain a structure or object. Inspection reports are critical instruments for ensuring the quality of buildings, facilities, and goods.Structural Pest Control Board:
Structural pest control is the control of household pests (including but not limited to rodents, vermin, and insects) and wood-destroying pests and organisms, as well as other pests that may infiltrate households or structures, such as railroad cars, ships, docks, trucks, airplanes, or their contents.Anyone who wants and pays the charge may acquire a copy of an inspection report issued by a licensed structural pest control operator from the Structural Pest Control Board.Therefore, for a fee, a copy of an inspection report filed by a licensed structural pest control operator may be obtained from the Structural Pest Control Board by anyone who requests it and pays the fee.
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What is the correct order for structures in the nervous system pathway for hearing? a. axons project to the auditory cortex. b. axons project to inferior colliculi.
The correct order of structures in the nervous system pathway to hearing is that axons project to the auditory cortex.
A. Axons project to the auditory cortex.Inferior colliculus neurons send their axons to the medial geniculate nucleus (MGN) of the thalamus, which in turn projects to the auditory cortex.
What is the route of the roads?
The cochlear nerve passes through the internal acoustic meatus in the temporal bone and enters the brainstem in the upper part of the medulla, at its junction with the pons, next to the facial nerve (VII), in the region of the cerebellopontine angle.
Which part of the brain controls hearing?Temporal Lobe: located near the ear, it is responsible for the perception of hearing, enabling the analysis of sounds. In addition, it functions as a processor of memory and emotions.
With this information, we can conclude that We hear when sound waves travel through the air to our eardrum and then through the middle ear to our inner ear and from there finally to the auditory centers of our brain. Our ears are always active, continually transporting sounds along this auditory pathway.
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PLEASE ANSWER QUICK
Which of the following has two lenses as well as a light bulb in the base that shines light through the specimen?
Group of answer choices
scanning electron microscope
compound light microscope
transmission electron microscope
scanning tunneling microscope
Answer: compound light microscope
Explanation: a microscope that shines light through a specimen and has two lenses to magnify an image (Ocular lens and Objective lens)
Worms are classified into three phyla: flatworms, roundworms, and annelids. what is the feature that distinguishes them?
Annelids are the feature that distinguishes them.
Annelids are segmented worms while roundworms are not segmented. further, annelids have a true coelom at the same time as roundworms have a pseudocolor. this means annelids have a well-developed mesoderm whilst roundworms lack a mesoderm. those are the primary capabilities that distinguish annelids from roundworms.
The 3 main malicious programs phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has openings. Segmented worms have a closed circulatory system wherein blood is enclosed in blood vessels. These are crucial steps in the evolutionary development of animals.
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A particle that is 1.0 mm in diameter traveling in a stream at 100mm/s
a transport
b settle
c erode
d deposit
A. A particle that is 1.0 mm in diameter traveling in a stream at 100mm/s is being transported.
Transportation of particles by stream
The transportation of particles by stream is movement of particle of certain size by the force of the stream.
Transportation of particles can occur by saltation and by traction .
A particle that is 1 mm in diameter can easily be transported by a stream moving at 100 mm/s.
Thus, a particle that is 1.0 mm in diameter traveling in a stream at 100mm/s is being transported.
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Answer:
b. settle
Explanation:
In the electron transport chain, electrons are shuttled through a series of membrane proteins, which creates a gradient of:__________
Electrons are shuttled through a series of membrane proteins, which creates a gradient of: Proton across the thylacoid membrane.
The electron shipping chain is a series of electron transporters embedded in the internal mitochondrial membrane that shuttles electrons from NADH and FADH2 to molecular oxygen.
Within the electron shipping chain, electrons are handed from one molecule to any other, and electricity released in these electron transfers is used to form an electrochemical gradient. In chemiosmosis, the electricity saved within the gradient is used to make ATP.
A proton gradient is shaped via two quinol oxidations at the Qo site to form one quinol at the Qi website online in general six protons are translocated: two protons lessen quinone to quinol and 4 protons are launched from ubiquinol molecules.
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In the electron transport chain, electrons are shuttled through a series of membrane proteins, which creates a gradient of Protons.
A Proton Gradient is needed in ETS which is the result of the transfer of the electrons flowing through the ETS complexes. ETS pumps the protons from matrix of organelle to the intermembrane space.
Following are the complex that are involved in the ETS:
Complex I - NADH DehydrogenaseComplex II - Succinate DehydrogenaseComplex III - Cytochrome bc1Complex IV - Cytochrome c oxidaseComplex V - ATP Synthetase complexThe flow of electrons through ETS Complex generates a proton gradient which is needed for the synthesis of ATP through the Complex V - ATP Synthetase complex.
ETS is called as Oxidative Phosphorylation which is the indirect production of ATP . The final acceptor of electron is Oxygen in ETS.
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The type of bacteria that rarely shows any active motility is known as _____.
a. pus
b. cocci
c. flagellum
d. spirilla
Cocci bacteria are rarely motile.
Coccus or cocci bacteria are round or sphere-shaped bacteria. They lack flagella or any locomotive organ so they are non-motile.
Cocci contain multiple genera like Streptococcus, Staphylococcus, Enterococcus and Diplococcus. They are divided based on the pattern they grow. For instance, Diplococcus always appears as joined two cells implying a pair of cells.
They can also be both gram-positive bacteria (eg. Neisseria spp.) and gram-negative bacteria (eg. Streptococcus spp.).
They can show pathogenicity, symbiotic and commensalism. Some of the pathogenic cocci bacteria are Streptococcus, Staphylococcus and Pneumococcus which can cause throat infection, food poisoning and pneumonia respectively.
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The two most common igneous rocks are basalt and granite. Basalt is commonly found ________ and granite is found _______
The two most common igneous rocks are basalt and granite. Basalt is commonly found ocean land and granite is found continental land .
The thickness of oceanic land is 5 Km and continental land is 30 km. The continental land is made up of granite and ocean land is made of lava rock called basalt. The crust is thinnest layer of the earth. What is the oceanic crust?The outermost layer of the oceanic portion of the divergent plate boundaries.It is made of different types of basalt.It is thin and dense.What is continental crust?The thick part of the earth crust which acquires large masses on the land.It is also the layer of igneous, sedimentary and metamorphic rocks.Its thickness is about 25 to 70 kmlearn about earth
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Untreated hyperemesis can lead to preterm birth. what is the cause of the preterm birth?
__________ is the neurotransmitter used to carry a message from a motor neuron to a skeletal muscle fiber.
True or false
Most scientists agree that cloning on a biome map, patches representing the same biome tend to occur at similar longitudes
Answer:
Explanation:
false
Suppose a reptile damages one of its kidneys, and the kidney is not able to function.
The levels of which material within the reptile’s body would most likely be affected?
carbon dioxide
nutrients
water
oxygen
REPTILES ARE METANEPHRIC KIDNEY
The correct option is (B) nutrient for the given question.
Reptiles are described as tetrapod vertebrate animals where they do perform excretion through small kidneys. Due to the lack of Loop of Henle in reptiles thus they aren't able to produce adequate urine that is excreted in concentrated form in solids.
A damaged kidney usually will have decreased perfusion resulting in activation of the RAAS Mechanism triggering an elevation of blood volume to an extent. Due to long-standing kidney diseases, there will be an accumulation of nutrients circulating within the bloodstream at higher levels such as (Creatinine, etc.) due to renal damage.
Hence with a damaged kidney filtration & excretion of the body contents are decreased.
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I WILL MARK U BRAINLIEST IF YOU ANSWER THIS QUESTION!
5. Describe how the frog's circulatory and digestive systems are physically connected.
Answer:
The circulatory system transports blood throughout the body through the veins. The circulatory system works with the respiratory system because it transports oxygen through the body as well. It works with the digestive system because it transports waste so it can be disposed.
Explanation:
joe
Answer:
I think one way its connected is through the liver? cause what the frog eats (digestive system) goes through the liver at some point to process, break down and create nutrients. And the liver is also connected to the circulatory system because it processes blood?
Explanation:
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Gestures and body postures that are an important part of nonverbal communication are:_______
Gestures and body postures that are an important part of nonverbal communication are: Facial expressions, gestures, and movements of the body.
Nonverbal communication is the exchange of messages or signals through nonverbal cues including body language, gestures, and nonverbal cues like eye contact and facial expressions. It makes use of kinesics, distance, physical environments/appearance, voice, and touch in addition to social cues.The exchange of information through body language, gestures, facial emotions, created space, and other nonverbal cues is known as nonverbal communication. For instance, smiling at someone when you first meet them communicates warmth, acceptance, and openness.Whether they are aware of it or not, everyone uses nonverbal communication all the time.Face expressions, gestures, paralinguistics including volume and tone of voice, body language, proxemics or personal space, eye contact, haptics (touch), appearance, and artifacts are all examples of nonverbal communication.learn more about Nonverbal communication here : https://brainly.com/question/5428379
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What is the purpose of obtaining a 12-lead ecg early during the post-cardiac arrest?
During cardiac arrest the AHA direct healthcare providers obtain 12-leads ECG immediately after the return of spontaneous circulation to identify those patients with ST- segment myocardial infarction or new or presumably new bundle branch block.
12-leas electrocardiography use which perform to diagnose ST-segment elevation myocardial infarction. It is a medical test that recorded using leads or nodes which attached to the body. Vasopressin should be effective in patients of cardiac arrest after the treatment.
ECGs captured the electrical activity of heart and transfer it to graphed paper. Use to diagnose cardiovascular disease ,acute myocardial infarction in clinics and hospital based practice.
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which part of eubacteria is responsible for helping the cell to move
There are some structures that can be responsible for moviment on bacterias, the most common are flagella, cilium and also pili.
What is an Eubacteria?Eubacteria are part of one of the groups of Kingdom Monera (the other group is Archaea). These bacteria are prokaryotic organisms and represent the largest number of species within the Monera Kingdom. All bacteria (excluding archaebacteria) and cyanobacteria are part of the Eubacteria Group.
They are unicellular organisms that do not have a defined nucleus or membranous organelles. They can be classified according to their shape, with the most common shapes being spherical, rod and spiral.
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The fungus ________ can cause a variety of diseases, depending on the condition of the person.
a) sporothrix schenckii
b) amanita phalloides
c) aspergillus gyromitra
d) esculenta mucor
The fungus Aspergillus can cause a variety of diseases, depending on the condition of the person (Option C).
What is Aspergillus?Aspergillus is a type of fungus that grows in different climatic conditions around the world and that is well known because it can survive both in indoors and outdoors environments.
This fungus (Aspergillus) is well known to cause Aspergillosis, which is a disease characterized by distinct symptoms such as shortness of breath, wheezing, fever, and loss of weight.
In conclusion, the fungus Aspergillus can cause a variety of diseases, depending on the condition of the person (Option C).
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please i need help right now!
What is the coarse adjustment for in a microscope?
Answer:
Answer below
Explanation:
A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing.
Hope this helped and have a good day
Select the correct answer from each drop-down menu.
Ruth is presenting the feedback model to her class. Help her complete the statements.
A negative feedback mechanism works by
of a system. A
restore the
variations in conditions. This feedback mechanism tries to negate changes to
feedback mechanism supports a change that occurs in the value of a parameter.
A negative feedback mechanism tries to negate changes so as to restore the variations that occurs in the value of a parameter or system.
What is Negative feedback?This is known to be a method that tend to reverses any kind of movement or deviation from the set point and it then keeps the body parameters to its normal range.
Note that A negative feedback mechanism tries to negate changes so as to restore the variations that occurs in the value of a parameter or system.
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Which type of rock forms due to the weight of the overlaying rocks? (ASAP!!)
A. Igneous
B. Sedimentary
C. Metamorphic
Answer: Sedimentary
Explanation: As a result of which the sediments are accumulated over one another, forming layers. These sediments over a due course of time undergoes compaction and solidification due to the weight of the overlying rocks
Why is the immune system necessary in
an organism?
A. without it there would be nothing to fight off infection
B. it provides structure for the body
C. the cells transfer oxygen around the body
D. the organs in it help absorb nutrients for the body
Answer: A
Explanation: