Option A: Postcranial changes in hominins that indicate bipedal locomotion include shortening and broadening of the ilium of the pelvic girdle.
Around 3 million years ago, bipedal locomotion in early hominins turned to be more effective. This adaption made the hominins more stable to hold their weight and walk upright. It also helped them to see longer distances in the green forests areas. They could take the advantage of hunting their food or protecting them from harmful predators. Adapting bipedal location expended lesser energy, thus allowing hominins to walk longer distances.
Over many generations now, bipedal location turned out to develop stronger and longer legs and feet so as to allow running and holding more weights. Additionally, the arms turned to be more adapted to hold the heavier things efficiently and to carry their newborns effectively.
Owing all these changes, adaption made to this kind of locomotion include shortening and broadening of the ilium of the pelvic girdle and developed a bowl-shape structure.
Thus, option A is the correct answer.
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why biology is an incomplete subject
Answer:
because in biology we must read about all things about plants and animals, through there are unlimited animals and plants that we don't know some to.. so it is incomplete
Which of the following provides the best explanation as to why convection currents in the mantle cause tectonic plate movement?
A.
Warm, more dense molten material rises while cool, less dense material sinks creating convection currents which cause the tectonic plates to move.
B.
Cool, less dense molten material rises while warm, more dense material sinks creating convection currents which cause the tectonic plates to move.
C.
Cool, more dense molten material rises while warm, less dense material sinks creating convection currents which cause the tectonic plates to move.
D.
Warm, less dense molten material rises while cool, more dense material sinks creating convection currents which cause the tectonic plates to move.
Warm, more dense molten material rises while cool, less dense material sinks creating convection currents which cause the tectonic plates to move. The correct option is A.
What is tectonic plate movement?Tectonic movements are the subsurface movement of formations caused by natural Earth forces.
Plate movement results in three types of tectonic boundaries: convergent boundaries, where plates move into one another, divergent boundaries, where plates move apart, and transform boundaries, where plates move sideways in relation to one another.
As thermal energy from the core heats the mantle, molten material rises toward the crust and begins to cool.
As the material cools, it sinks back toward the core, dragging some of the crust with it. Convection currents in the Earth's mantle move the plates and shape the continents.
Thus, the correct option is A.
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what is the energy that is captured during photosynthesis used to produce?
A. water
B. minerals
C. sugars
Answer:
The Answer is c. sugar
Explanation:
because plants use photosynthesis to make sugar to survive.
Answer: C, sugars
Explanation:
⚠️⚠️ i am getting closer to finishing ⚠️⚠️
Salt water is a
A. Compound
B. Element
C. Heterogenous
D. Homogenous
Answer: The correct answer is A. Hope this helps!
a population of deer was threatened with overpopulation until cheetahs were imported. after a couple of years, there were fewer deer, but the average running speed of the deer had increased. this is an example of
a population of deer was threatened with overpopulation until cheetahs were imported. after a couple of years, there were fewer deer, but the average running speed of the deer had increased. this is an example of Predator-prey coevolution.
Overpopulation is a condition when a species have so much population that the carrying capacities of the nature starts getting exhausted.
Overpopulation is also not good for a population because it will causes depletion of the resources which will ultimately lead to the extinction of the species.
When the cheetahs are introduced in an area overpopulated with deer species, they will keep the population in check. Also, as deer have to save itself they have to increase their running speed to survive and hence evolve with same adaptation.
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How does the size of the fetal face relate to the cranium? how does this compare to the adult skull?.
The face is foreshortened and it is overshadowed by the large cranium. While the mandible and maxillae are very tiny.
Cranium is the outer layer that protects the skull. It consists of three parts: the frontal bone, occipital bone, and two parietal bones.
The frontal bone is a single bone that transforms into a forehead and it is positioned atop the eyes' orbit.
The frontal bone also forms both sides of the upper jawbone or maxilla. While the two parietal bones form the top and side of the human skull.
They also take part in forming the largest part of the upper jawbone like the frontal bone.
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all you need is in the photo
Answer: He/She is Right
Explanation: All you needs is the photo
What are the possible blood types of a baby with a mom who is heterozygous for blood type A and a dad with type O?
Answer:
A & O group
Explanation:
Dad will be having io io allele and mom will be having ia io
The possible blood types for the baby are either A or O, with equal likelihood of 50% for each.
What is blood type?A classification system called blood type explains whether or not specific antigens are present on the surface of red blood cells. Each of the four major blood types—A, B, AB, and O—has distinct antigen markers.
A and O are the two possible blood types for a child whose mother is heterozygous for blood type A (genotype AO) and whose father has type O (genotype OO).
A baby has a 50% chance of acquiring the A allele from the mother and a 50% chance of inheriting the O allele from the father because each parent gives one of their two blood type genes to their offspring.
Baby with blood type A inherits the A allele from the mother and the O allele from the father (genotype AO).
The child will have blood type O if both parents carry the O allele (genotype OO).
Therefore, the possible blood types for the baby are either A or O, with equal likelihood of 50% for each.
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please solve this biology question
Answer:
Question 1
vacuole
Question 2
ribosomes
Explanation:
SOMEONE PLEASE HELP ME WITH THIS I WANT TO PASS THIS TEST !!!
Answer:
I would say D
Explanation:
Because it looks the most correct out of them all
Answer:
Presence or absence of a cell wall and chloroplasts.
Explanation:
It's D.
What happens during the first two stages of cellular respiration?
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. In glycolysis, glucose is split into two molecules of pyruvate. ... Life first evolved in the absence of oxygen, and glycolysis does not require oxygen.
Explanation:
Got it from Goog|e >.<
The fusion of haploid gametes is called
Your answer:
A. gametogenesis.
B. meiosis.
C. reassortment.
D. fertilization.
Answer:
B
Explanation:
Radiation that is redshifted has the peaks of its waves
Answer:
I think it is with more energy probley not certain but yeah so??
Radiation that is redshifted has the peaks of its waves are farther apart.
So, option B is correct one.
What is the significant of redshift?The redshift is the result of the expansion of space.As farther away a galaxy is from us more is the expanded space in the time since light left the galaxy.What is Doppler effect?The increase in frequency of sound , light, or other wave as the source and observer move away from each other.It is also known as Doppler shift.learn about radiation ,
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Glycolysis results in the net production of which of the following sets of molecules per glucose molecule?
Answer:
Glycolosis has a net gain of 2 atp
Explanation:
It produces 4 but you invest 2 to start so its only net gain of 2
You also ge 2 pyruvate and 2 NADH
Two pyruvate molecules, two ATP molecules, and two NADH molecules are the substances produced in the process of glycolysis.
These substances are gained from glucose in order to generate energy which is needed in different activities of the cell. ATP is the molecule which is used by the cell for doing activities which needs energy.
Both pyruvate and NADH molecules are also converted into ATP molecules in the end and used by the cell so we can conclude that in the process of glycolysis, two pyruvate, two ATP, and two NADH molecules are formed.
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How do naturally occurring hormones affect plants?
A: They ripen fruits, prevent plants from being eaten by insect, and help plants collect water from soil.
B: They started lateral growth, help plants collect water from soil, and speed up the growth of plants cells.
C: They keep bids inactive in winter, speed up the growth of plants cells, and ripen fruits.
D: They speed up the growth of plants cells, ripen fruits, and prevent plants from being eaten by insects.
Answer:A: They ripen fruits, prevent plants from being eaten by insect, and help plants collect water from soil.
Explanation:
Answer:
c
Explanation:
What is ‘Chipko Movement’
Answer:
nonviolent social and ecological movement by rural villagers
lil more info!
particularly women, in India in the 1970s, aimed at protecting trees and forests slated for government-backed logging.
Why does DNA replication occur?
Answer:
So that each cell has all of the information.
Explanation:
Please brainliest!
Answer:
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
help asap 1st answer gets brainliest
Answer:
C
Explanation:
Describe and explain how this female reproductive system would be different in the first three days of the menstrual cycle, if no fertilization takes place
select all of the following scenarios that would require the cell to use energy in order to move materials through its membrane.
The cell will have to use its energy to move materials through its membrane in case of active transport.
What is Cell?The fundamental structural and operational unit of all living things is the cell. Each cell has a cytoplasm that is surrounded by a membrane and is home to a variety of biomolecules, including nucleic acids and proteins.
Cells can develop specialized functions and perform a variety of tasks within the cell, including protein synthesis, DNA repair, replication, and motility. Within the cell, cells can specialize and move around. Because of their small size, the majority of cells are quantified in micrometers.
Only under a microscopic examination can the majority of plant and animal cells, which range in size from 1 to 100 micrometers, be seen. With significantly greater resolution and extremely detailed cell structure, electron microscopy
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How would you describe extreme weather?
Answer:
Extreme, or severe weather are used interchangeably to describe weather that causes harm to people and/or property. Types of extreme weather include: Thunderstorm - a rain shower with lightning and thunder. ... Flash flooding - rapid flooding due to heavy amounts of rainfall in a short period of time.
Explanation:
Hope this helps!! :D
Answer:
I would describe it where u have to sit in ur house because its to dangerous to go outside
Explanation:
The question is in the picture.
Answer:
A. because mitiosis creates a cell that is exactly the same as it's parent. It's kinda like having a parent/grandparent that looks just like you
humans have hundreds of different g-protein coupled receptors. while these receptors all have distinct amino acid sequences, they all have in common:
humans have hundreds of different g-protein-coupled receptors. while these receptors all have distinct amino acid sequences, they all have in common: guanine nucleotide exchange activity
What is guanine nucleotide?
Guanine nucleotide exchange factors (GEFs) are proteins or protein domains that stimulate the release of guanosine diphosphate (GDP) to enable the binding of guanosine triphosphate, hence activating monomeric GTPases (GTP). It has been demonstrated that guanine nucleotide exchange activity occurs in a number of unrelated structural domains. While some GEFs are exclusive to a particular GTPase, others can activate numerous GTPases.
Small GTPases are activated by proteins or protein domains known as guanine nucleotide exchange factors (GEFs). In intracellular signaling pathways, small GTPases function as molecular switches and have a wide range of downstream destinations. The Ras superfamily of GTPases, which is made up of the most well-known GTPases, is crucial for key cellular functions such cell division and proliferation, cytoskeletal structure, vesicle trafficking, and nuclear transport. GTPases can have their activity controlled by GEFs and the opposing GTPase activating proteins because they are active when bound to GTP and inactive when attached to GDP (GAPs)
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describe why the marine environment is the least stressful for cells to survive in.
Predict: Of the molecules shown on the molecules pane, which do you think are inputs (ingredients) in photosynthesis? Which do you think are outputs
Answer:
Input ingredients = water, carbon dioxide, energy from the sun
Output ingredients = glucose, oxygen
Explanation:
Photosynthesis involves the production of carbohydrates from inorganic products. The chemical equation for the process is represented below:
[tex]6CO_2 + 6H_2O + sunlight--> C_6H_1_2O_6 + 6O_2[/tex]
Water and carbon dioxide molecules combine in the presence of sunlight radiation to give glucose and oxygen molecules.
Input ingredients = water, carbon dioxide, sunlight
Output ingredients = glucose, oxygen
The molecules are shown on the molecules pane inputs (ingredients) in photosynthesis -
Inputs - H2O + CO2output - C6H1206 + O2Photosynthesis is a cellular metabolic process, regulated by enzymes to convert radiant energy to chemical energy, its inputs and outputs are the following:
Inputs: carbon dioxide and water from which organic compounds are synthesized, using the light absorbed by pigments as an energy source.Outputs: sugar and oxygen are produced in photosynthesis as a food source that is energy for the plant.Thus,
The molecules are shown on the molecules pane inputs (ingredients) in photosynthesis -
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What stage of mitosis is pictured?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Telophase
(Choice B)
B
Prophase
(Choice C)
C
Metaphase
(Choice D)
D
Anaphase
Answer:
telophase
Explanation: it's telophase
We know that the pressure of water increases with depth. Then, which of the following shows the most possible shape of a dam?
The diagram in option C is a good representation of a dam.
A dam refers to a structure built in water which could serve the purpose of water storage , electricity generation, irrigation etc. Dams are very important in the society.
However, the pressure of water increases with depth. The deeper you go, the greater the pressure of water. As such, the diagram in option C is a good representation of a dam.
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A. Crossing over decreases genetic diversity
B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged
C. Homologous chromosomes move to opposite ends of dividing cells
D. The DNA of the diploid cell is copied
Answer: i beileve it is c ^^
Explanation:
_____ stores chemical energy in just the right size for
transport and uptake by cells.
a. Glucose
b. ADP
c. ATP
d. Sucrose
Answer:
A. Glucose
Explanation:
Glucose stores chemical energy in just the right size for transport and uptake by cells.
Answer:
Glucose
Explanation:
sorry if I’m wrong.
What's the answer for this? Please answer as soon as possible!!! Thank you❤️❤️❤️
Answer: See explanation
Explanation:
Double circulation is when for every circuit, blood circulates twice through the human heart.
Firstly, deoxygenated blood is sent by the right pump m to the lungs. After it then becomes oxygenated, it will then be taken back to the heart and them the oxygenated blood will then be carried round bmthe body by the left pump.
In the figure, polygon ABCD is transformed to create polygon A'8CD. This transformation is a by a factor of.
sorry ur figure is not opening at all