The discovery of an early form of hominin called Ardipithecus revealed that bipedalism may have first appeared in which type of habitat
Answers
The discovery of an early form of hominin called Ardipithecus revealed that bipedalism may have first appeared in a woodland environment.
Ardipithecus is a hominid genus that lived during the Late Miocene and Early Pliocene epochs in the Afar Depression, Ethiopia, 5.8 to 4.4 million years ago. It's one of the earliest hominins and one of the oldest known members of the human family tree.
Habitat of Ardipithecus and the emergence of bipedalismArdipithecus lived in a forest habitat, as demonstrated by its specialized adaptations for arboreal living. The skeletal structure of Ardipithecus shows that they had long, grasping toes, curved fingers, and an opposable hallux, all of which helped them grasp and climb trees with ease.
Ardipithecus also had several specialized characteristics for bipedalism, according to the discovery of this early hominin species. Unlike apes, they walked upright on two legs, with their feet flat on the ground. The discovery of Ardipithecus provided strong evidence that the evolution of bipedalism began in the forests rather than in the savannas, as previously believed.
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Related Questions
How is it that some people have different DNA than others? What exactly about the DNA is different?
Answers
Answer:
Although DNA is univeral, people have different DNA from each other mainly because of mutations, which change our sequences (the order of the nucleotides)
Explanation:
Which molecule is produced by the light-dependent reactions of photosynthesis?
NADPH
carbon dioxide
Water
Oxygen
Answers
Answer:
Oxygen
Explanation:
During the light dependent stage of Photosynthesis, water that was absorbed and transported to leaves are split apart by heat energy which was converted from the light energy from the sun that got trapped by the chlorophyll in the chloroplast.
when the water(H2O) is split apart, oxygen is given off as a by-product while the Hydrogen is later used in the light independent where it combines with CO2 from to atmosphere to make glucose.
light dependent equation:
2H2O(l) + (light energy) --> 2H2(g) + O2(g)
water --> Hydrogen + oxygen
Which of the following statements about human somatic cells is not true?
Select one:
a. They contain 23 pairs of chromosomes.
b. They are haploid.
c. They reproduce by mitosis.
d. They are more complex than bacterial cells.
Answers
Answer:
the answer is b.
Explanation:
human somatic cells are diploid
The statement "b. They are haploid" is not true about human somatic cells.
Human somatic cells are the non-reproductive cells that make up the body tissues and organs. They are diploid, meaning they contain two sets of chromosomes, one set inherited from each parent. The correct answer is option b, "They are haploid," which means having only one set of chromosomes.
In humans, somatic cells contain 23 pairs of chromosomes, for a total of 46 chromosomes. These chromosomes are organized into homologous pairs, where one member of each pair is inherited from the mother and the other from the father. This diploid chromosome number ensures that somatic cells contain the full complement of genetic information necessary for normal cellular function and development.
Somatic cells reproduce by mitosis, which is a type of cell division that results in two identical daughter cells with the same number of chromosomes as the parent cell. Mitosis allows somatic cells to grow, replace damaged or worn-out cells, and maintain the overall structure and functioning of the body.
In comparison to bacterial cells, human somatic cells are more complex. Human cells have a nucleus containing genetic material (DNA), membrane-bound organelles (such as mitochondria and endoplasmic reticulum), and a complex cellular structure. Bacterial cells, on the other hand, lack a nucleus and membrane-bound organelles, and they have a simpler cellular organization.
Therefore, the statement that is not true about human somatic cells is option b, "They are haploid." Human somatic cells are diploid, containing two sets of chromosomes.
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Q. 1 Look at the forearms of the following animals. They all have the same bones, but they have evolved over time to possibly fulfill a different function or purpose. Use one of the organisms below to give an example of how its limb differs in function from the human forearm.
Q. 2 Look at the comparative embryology diagram in the PowerPoint. Do all of these organisms share a common ancestor? Choose two organisms that you would infer share a more recent common ancestor. Choose two organisms that you think share an ancestor from much further back in time…a very ancient ancestor. Explain your selections.
Answers
1) The term forearm is used in anatomy to distinguish it from the arm, which is most commonly used to denote the entire upper limb appendage but technically only refers to the upper arm area, whereas the lower "arm" is termed the forearm. Note that the Bat's forearm is used to flap it's wings. This is significantly different from how the human forearm is used.
2) i) Yes, they all share a common ancestor.
ii ) All of the creatures you mentioned, including humans, turtles, bats, and whales, had a common ancestor in the animal kingdom. They are all vertebrates, which means they have a backbone and an internal skeleton, and they are all members of the superphylum Deuterostomia. The evolutionary path that led to each of these species branching from a shared ancestor, however, would be distinct.
For example, bats and whales have a common ancestor that is distinct from humans and turtles.
The three-domain concept established by Carl Woese in 1990 is the tree of life that most taxonomists now accept.
The initial, most ancient, and most fundamental division of the tree of life, according to this, is into three domains: Archaea, Bacteria, and Eukarya. Archaea are ancient single-celled creatures that were formerly thought to live solely in harsh environments such as salt lakes, but are now known to be exceedingly ubiquitous.
However, it turns out that global shared ancestry has never been thoroughly investigated. Instead, the scientific community has universally accepted it to be accurate.
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Your Answer
2 of 4
Read the paragraph from the section "Ecosystem
Engineers."
Invasive species are often ecosystem
engineers. They are not eaten by
larger predators. So, these species
move to new environments. They
invade, or take over. This holds back
the growth of native plants and
animals. The original animals are still
used to the old environment.
Which word from the paragraph helps the reader
understand the meaning of "native"?
A
engineers
B
predators
с
growth
D
original
Answers
Engineers I think if it’s wrong sorry
Fossils change through a section of rocks because ______. Multiple choice question. each species has its own level of magnetism, with some species being magnetically drawn closer to Earth's core different species were alive during different periods of time the heavier fossils move to the bottom of the rock layers, and the lighter fossils remain closer to the surface
Answers
Complete the description about the role of summation in postsynaptic cells. Match the terms in the left column to the appropriate blanks in the sentences on the right. Not all terms will be used. Reset Help non-additive Postsynaptic potentials are . If a postsynaptic cell receives multiple EPSPs in a short less period, it be depolarized to the threshold potential and fire an action potential. IPSPs promote the effect of EPSPs, making the postsynaptic cell likely to fire an action potential. counteract additive may may not more
Answers
Postsynaptic potentials are additive. If a postsynaptic cell receives multiple EPSPs in a short period, it may be depolarized to the threshold potential and fire an action potential. IPSPs counteract the effect of EPSPs, making the postsynaptic cell less likely to fire an action potential.
What are postsynaptic potentials?Postsynаptic potentiаls аre excitаtory or inhibitory chаnges in the grаded membrаne potentiаl in the postsynаptic terminаl of а chemicаl synаpse. EPSPs аnd IPSPs аre trаnsient chаnges in the membrаne potentiаl. А single EPSP аt one synаpse is generаlly fаr too smаll to trigger аn аction potentiаl in the postsynаptic neuron. Postsynаptic potentiаls аre subject to spаtiаl аnd temporаl summаtion.
Your question is incomplete, but your full question can see in the attachment.
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What is the formula for finding an acute triangle?
Answers
Acute Angle Area (12) b h
The acute triangle's perimeter is a + b + c.
The formulas to calculate an acute triangle's area and perimeter are provided below, along with an explanation.
The acute angle triangle's area is (12) b h square units.
Where,
"b" denotes the triangle's base.
The height of such a triangle is denoted by "h."
Apply the Heron's formula if the triangle's sides are known.
The acute triangle's area is equal to
square units, where S is a triangle's semi-perimeter
The formula can be used to locate it.
S = (a + b + c)/2
The length of a triangle's sides added together gives the acute triangle's perimeter, which is represented as
Perimeter equals a, b, and c units
Here,
The letters a, b, and c stand for the sides of traiangle
When given two sides as well as an interior angle,
Area = (12) ab SinB, or
= (12) bc Sin C or
ac = (12) sin a
The three internal slopes at vertices A, B, & C in this case are, respectively, A, B, and C. Additionally, the lengths for sides BC, CA, and AB are a, b, and c, respectively.
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the moon has a stronger influence on earths tides than the sun because the moon— a. is denser than the sun b. has more mass than the sun c. is much closer to earth d. moves much faster relative to earth
Answers
Answer: The correct answer would be C. Hope this helps!
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The Calvin cycle takes place in the
A. stroma.
B. photosystems.
C. thylakoid membranes.
D. chlorophyll molecules.
Answers
Answer:
the answer is c
Explanation:
Answer:
A.Storma
Explanation:
which substance has a natural pH?
a. distilled water
b. milk
c. groundwater
d. Rainwater
Answers
Answer: (A) Distilled Water
Refer to the diagram below.
Which type of biomolecule is it?
A. Carbohydrates
B. Lipids
C. Nucleic Acids
D. Proteins
Answers
Which is the best example of a thermal insulator?
Oglass flask
O apartment radiator
O
O plastic handle of tea pot
stainless-steel cooking pot
Answers
Answer:
C. Plastic handle
Explanation:
Materials that are poor conductors of thermal energy are called thermal insulators. Gases such as air and materials such as plastic and wood are thermal insulators.
1) The chart indicates the digestion and nutrient absorption for two different species of animals.
Which of these describes the interaction between the food intake and nutrient absorption for these two different species?
A) Carnivores have a more efficient intestinal absorption since meat is higher in caloric value.
B) Carnivores have more digestive organs over which food digestion and nutrient absorption can occur.
Herbivores require a shorter digestion time with a higher amount of nutrient absorption into the bloodstream.
D) Herbivores have a greater intestinal length that allows for increased absorption of nutrients from a plant-based diet.
Answers
Herbivores having a greater intestinal length that allows for increased absorption of nutrients from a plant-based diet best describes the chart.
What are Herbivores?These are organisms which feed on plants and are referred to as primary consumers.
They possess four stomachs and a greater intestinal length that allows for increased absorption of nutrients from plant diet which contains polysaccharides such as cellulose.
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your skeleton protects delicate organs
Answers
Yes, your skeleton does protect delicate organs.
The skull protects the brain.
The rib cage protects the lungs and the heart.
⦁ Interpret the bottom half of the cross section below. Start with the Vishnu Schist and end with the Red wall Limestone.
⦁ Scoring:
Correct order (8 points):
⦁ Proper environmental changes (8 points):
⦁ Attention to detail and completeness (4 points):
Answer:
Type your answer here.
(Score for Question 2: ___ of 5 points)
⦁ There is one of each type of unconformity in this diagram. Name at least one of each of them by indicating the layers that they are between.
⦁ Nonconformity:
Answer:
Type your answer here.
⦁ Angular unconformity:
Answer:
Type your answer here.
⦁ Disconformity:
Answer:
Type your answer here.
Symbol Name Environment
Sandstone Beach or nearshore environment
Limestone Forms in warm shallow seas
Shale Deep sea
Igneous Rock (Granite) Formed when rocks melt and then recrystalize
Metamorphic Rock (Schist) Formed when rocks are severely deformed without melting; in this cross section, the Vishnu Schist represents the original surface in the area
Igneous intrusion Magma melting and rising from deeper levels
Hint: How can you tell the difference between an intrusion and rocks melting in place? Rocks melting in place usually appear as a large mass, whereas intrusions seem to have risen up from a source.
Answers
answer:The vishnu schist is oldest that is 1.7 billion years old and the redwall schist is youngest. Explanation: The Vishnu schist is the uncovered rocks of the grand canyon vicinity they're formed on the basement location that underlines the bottom limestone. Which are accompanied by way of the Zoroaster granite which is an igneous-plutonic rocks intrusion and became later metamorphosed
Explanation:
can you send it on here
Answers
Answer:
Send what??
Explanation:
If somebody is your friend, you can send a message to them through the Brainly messages (which will be taken away soon). You can also share the link to Brainly or share answers to questions with friends and family via text. You can also pair your Brainly account with a parent or guardian.
hope this helps
A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called...a) osteoarthritis b) rheumatoid arthritis c) osteoporosis d) brittle bone disease
Answers
The chronic inflammation of joints due to autoimmune destruction of articular cartilage is called rheumatoid arthritis.
Rheumatoid arthritis is a chronic inflammatory disorder that primarily affects the joints. It is an autoimmune disease in which the immune system attacks the synovial membrane, the lining of the joints, leading to chronic inflammation and destruction of articular cartilage. Unlike osteoarthritis.
which is caused by wear and tear of the joints, rheumatoid arthritis is a systemic disease that can affect other organs in the body, such as the lungs, heart, and eyes. It is important to diagnose and treat rheumatoid arthritis early to prevent irreversible joint damage and disability. Treatment options include medications, physical therapy, and lifestyle changes. A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called b) rheumatoid arthritis.
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What is the chemical formula of the first carbohydrate shown?
Answers
Answer:
The chemical formula for carbohydrate is carbon, oxygen and hydrogen, the number of atoms varies on what carbohydrate. Carbohydrate general formula is CnH2nOn" e.g: Glucose - C6H12O6. Carbohydrates consist of the elements carbon, hydrogen and oxygen with a ratio of hydrogen twice that of carbon and oxygen...
Explanation:
Pick 5 important key features of the cell membrane and write about each and why they are
important.
Answers
A cell membrane, also known as a plasma membrane, is a thin, semipermeable barrier that surrounds the cytoplasm of a cell and separates the cell from its environment.
What do you mean by cytoplasm?
Cytoplasm is the fluid-like substance found in the interior of a cell, excluding the nucleus. It is composed primarily of water and contains a variety of organic and inorganic molecules, ions, and organelles. It functions as the cell’s metabolic center and plays important roles in many cell processes, such as energy production, protein synthesis, and cell division.
Five important key features of the cell membrane:
1. Phospholipid Bilayer: The phospholipid bilayer is important for regulating the flow of substances both into and out of the cell, allowing the cell to acquire the nutrients it needs and expel waste.
2. Glycoproteins: They are important for cell-to-cell communication, as they bind to specific receptors on other cells to facilitate communication between the cells. They also act as recognition sites for hormones and other molecules that enter the cell.
3. Cholesterol: Cholesterol is a fatty molecule that helps stabilize the cell membrane and prevents it from becoming too rigid or too fluid. It also helps regulate the movement of substances across the cell membrane.
4. Integral Proteins: They are important for transporting molecules across the membrane, as well as for recognizing and interacting with other molecules.
5. Peripheral Proteins: They play an important role in cell signaling and regulation, as they can interact with other proteins or molecules on the cytoplasmic side of the cell membrane. They are also important for anchoring the membrane to the cytoskeleton.
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20. Explain how the transfer of energy can be tracked as energy flows through a natural system. In other words, why are photosynthesis and cellular respiration together called “the energy cycle”?
Answers
Photosynthesis and cellular respiration are together called “the energy cycle” because the vast amount of biomass on Earth is sustained by these metabolic pathways and they are interrelated processes.
What are photosynthesis and cellular respiration?Photosynthesis and cellular respiration are two metabolic pathways that play fundamental roles to sustain life on the Earth.
Photosynthesis is a series of metabolic reactions through which plants and also algae generate biomass in the form of simple carbohydrates such as glucose, which is achieved using sunlight and carbon dioxide generated through cellular respiration.
Moreover, cellular respiration generates energy in aerobic organisms which requires the use of oxygen as a reactant obtained by the mechanism of Photosynthesis.
Therefore, with this data, we can see that photosynthesis and cellular respiration are fundamental processes to sustain life on the earth's planet and they are interrelated because the products of photosynthesis are used as reactants in cellular respiration.
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Enzo works in the primate exhibit in a city zoo. Recently, the zoo has installed a wire tunnel that hangs through the trees and eventually ends in an extra habitat on the other side of the park. Since these have been opened, the two male orangutans, Kwame and Ikon, have gotten into fewer fights. What conclusion would this MOST likely cause Enzo to reach about the primates?
A.
Having more room to spread out has decreased irritation between the orangutans.
B.
The new environment has fooled Kwame and Ikon into thinking they are in the wild.
C.
Kwame and Ikon are concerned that they may be separated if they do not behave.
D.
The orangutans are distracted by more tourists because of the new exhibit.
Answers
Enzo's conclusion regarding the primates is most likely to be that they are less irritable now that they have more habitat to spread out.
The construction of the wire tunnel that runs through the trees and connects to a second habitat on the opposite side of the park gives the primates such as orangutans greater room to roam and explore, which can lessen the likelihood of fights and violent behavior.
Consequently, it is reasonable to infer that the greater space and more habitat offered to them are the causes of the decrease in conflicts between Kwame and Ikon.
Therefore, the correct option is A.
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Which of the following is a nonrenewable resource?
Answer choices
Wind
Geothermal
Coal
Solar
Answers
Answer:
coal
Explanation:
Answer:
Coal
Explanation: Coal is a fossil fuel. It comes from the remains of plants that died about 100 to 400 million years ago. Coal is a non-renewable energy source because it takes millions of years to form.
1. What is a green space?
Answers
Answer:area of grass and trees and other vegetation
Explanation:set apart for recreational use or aesthetic purposes in urban environments
The movement by diffusion of charged ions such as Na+ and Cl- across the plasma membrane is blocked by the lipid bilayer in the middle of the plasma membrane. true of false?
Answers
Answer:
True.
Explanation:
As we know, the plasma membrane of the cells is semi-impermeable, that is, it only allows the passage of some molecules in sizes and specific burning nature. Although the Na + and Cl- molecules are very small, they are polar, electrically charged molecules. These molecules are not well seen by the membrane, which does not allow them to pass into the intracellular medium.
answer pls
Describe the results from the following base mutations, substitution, insertion, and deletion.
Answers
Answer:
The results from the following base mutations --- substitution, insertion, and deletion are :
base substitution causes no change in the length of DNA. Base insertion causes an increase in the length of the DNA. Base deletion causes a decrease in the length of the DNA.Explanation:
What is base substitution :
In base substitution form of mutation, one nucleotide is simply replaced or transformed into another nucleotide. This may occur due to replication or transcription error, due to mutagenic exposure, etc. For example A to T, G to C, etc.What is base insertion:
Here, one or more nucleotides get added to a DNA, caused due to mutagenic exposure. Also known as addition, this may occur during recombination when the cell undergoes meiotic cell division.What is base deletion :
In base deletion, one or more nucleotides are deleted from the DNA stand, under the effect of mutagens or a wrongly operating recombination machinery.What are the effects of base mutations:
In light of the change in the length of the DNA strand,base substitution causes no change in the length of DNA. Base insertion causes an increase in the length of the DNA. Base deletion causes a decrease in the length of the DNA.All forms of these mutations, unless otherwise repaired by the inbuilt cellular DNA repair mechanisms, leads to the production of DNA strand different from the original DNA, often producing a defective polypeptide or no functional polypeptide. Such changes are often heritable, and may even be lethal for an organism.To know more about base mutations, visit:
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los derechos sexuales son iguales a los reproductivos? porfa help
Answers
Why did plantation slavery replace indentured servitude as the major economic anchor of the atlantic system?
Answers
Plantation slavery replaced indentured servitude as the major economic anchor of the Atlantic system for several reasons. One key factor was the labor needs of the growing plantation economies in the Americas, particularly in the Caribbean and southern colonies. Indentured servitude, where individuals worked for a set period in exchange for passage to the New World, became less viable as a labor source due to declining numbers of willing participants and increasing wages.
In contrast, plantation slavery provided a consistent and long-term labor force. Enslaved Africans were captured and forcibly transported to the Americas, where they were subjected to harsh conditions and forced labor on plantations. The Atlantic slave trade provided a constant supply of enslaved laborers, allowing plantation economies to flourish.
Additionally, the profitability of plantation crops such as sugar, tobacco, and cotton played a significant role in the shift towards slavery. These crops required large-scale production and intensive labor, which could be efficiently provided by enslaved Africans. The availability of cheap labor through slavery enabled plantation owners to maximize their profits and expand their operations.
Furthermore, the legal and social systems in the Americas supported the institution of slavery. Laws and regulations were developed to maintain the control and exploitation of enslaved individuals, reinforcing the economic dominance of slavery. Slavery became deeply ingrained in the social fabric of the plantation colonies, with racial ideologies and discriminatory practices further entrenching its role in the Atlantic system.
Overall, the combination of labor demands, profitability of plantation crops, legal support, and social acceptance contributed to the replacement of indentured servitude with plantation slavery as the major economic anchor of the Atlantic system.
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Help me with question 2 quick please!!!
Answers
In a pedigree, circles typically represent female individuals, while squares represent male individuals. Pedigrees are diagrams that illustrate the genetic relationships within a family across multiple generations. They are commonly used in genetics to study the inheritance of traits or genetic disorders.
The circles and squares in a pedigree represent individuals within the family, with the shapes denoting their gender. The lines connecting the shapes indicate relationships, such as marriages or parent-child connections. Offspring are typically shown below and connected to their parents.
Therefore, by analyzing a pedigree, geneticists can study patterns of inheritance, track the transmission of genetic traits or diseases, and make predictions about the likelihood of specific traits or conditions appearing in future generations.
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The more closely related two organisms are, the longer they will look alike during stages of early development prior to birth. This describes which piece of evidence for evolution?
a)Analogous structures
b)Vestigial structures
c)Embryology
d)Homologous structures
Which concept is a part of Lamarck's Theory of Evolution?
Organisms must struggle for existence
Organisms have more offspring than can survive
Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
The individuals
The environment
The reproduction
The variations
Answers
Answer:
C,
Traits that are best suited to an environment will help organisms survive (survival of the fittest),
The variations
Explanation:
Embryology is the branch of biology and medicine concerned with the study of embryos and their development.
He states "Survival of the fittest "many times in his theory of evolution
Beaks are the best adapted (fittest) to the available food have the best chance of surviving (not starving to death) and of having descendants
Therefor having variation!
Hope this helps!
Answer:
Which concept is a part of Lamarck's Theory of Evolution?
IS C.Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
NOT D.Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
IS B.The environment NOT D.The variationsExplanation:
