Australopithecus garhi is the first fossil species associated with adaptations for bipedalism.
What is Bipedalism?
Bipedalism refers to the ability to walk on two legs or the ability of an animal to walk on two legs. Bipedalism in humans is what makes us unique and separates us from other primates.
The evolution of bipedalism is a defining characteristic of hominins and marks their emergence as a distinct group within primates.Australopithecus garhi:Australopithecus garhi is a hominin species that lived in Ethiopia about 2.5 million years ago. It is known from a partial skull and several skeletal elements found at Bouri, in the Middle Awash region of Ethiopia.
The remains of this species are believed to have been discovered in 1999. It is considered a primitive hominin species, but it is also believed to have displayed some advanced features, such as adaptations for bipedalism.Australopithecus garhi has several features that suggest that it was a biped, including a more anteriorly positioned foramen magnum, a shortened pelvis, and a curved femur. These characteristics are all indicative of an upright posture.
Therefore, it is the first fossil species associated with adaptations for bipedalism.
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An INCREASE in the POPULATION of an organism would most likely be associated with which of the following?
1. A series of severe weather events in the habitat
2. A decrease in necessary resources available
3. An expansion of suitable living space
4. An increase in animals that prey on the organism
PLEASE HELP FAST
Answer:
3. An expansion of suitable living space
Explanation:
Increase occurs in the population of the organism only occurs when there is a suitable environment present for that organism. Suitable environment means that place where all the needs of the organism are available such as food, water and shelter etc. If food and water are present in large amount and decrease in animals occurs that prey on that organism will increase the population of the organism.
The what phase of the cell cycle is the so growing and preparing for cellular division?
Answer:
In interphase, the cell is forming new organelles for the new cell and growing. In mitotic (M) phase, the cell is preparing for division by replicating/dividing its DNA and the cytoplasm is seperating.
Explanation:
What options make a valid hypothesis?
Answer:
For a hypothesis to be considered valid, it must make a prediction that scientists can test using a repeatable experiment. If a hypothesis cannot be falsified through experimentation, it cannot be considered part of a valid scientific theory.
In most environments and cells themselves, there are
several substances that move in and out of the cell
membrane. Describe how easily these substances could
cross the membrane: water, protein, carbohydrate, salt,
and oxygen.
Then, justify your answer referencing the membrane
structure and structure of the substances.
Which one is it? I dont need a full answer
Answer:
last
Explanation:
What does the theory of plate tectonics state about the earth's surface?
A. one solid piece
B. very thick compared to the mantle
C. mostly covered in water
D. broken into many pieces
Answer:
D.
Explanation:
The theory of plate tectonics state that Earth's outer crust is separated into plates.
The human body contains nitrogen (N2) as part of amino acids, ATP, DNA, and RNA. The
atmosphere is about 79% nitrogen, but humans cannot use nitrogen in its atmospheric form. How
is atmospheric nitrogen made available for use in the human body?
a. Plants absorb nitrogen after it is changed to useable compounds by the radiant energy of the
Sun.
b. Rainwater dissolves the nitrogen gas in the air and makes it available to plants and animals
c. Humans have special enzymes in their lungs to make nitrogen gas useable.
d. Bacteria change nitrogen gas to useable compounds that can be absorbed by plants.
Answer:
its D.
Explanation:
Bacteria change nitrogen gas to useable compounds that can be absorbed by plants.
Brainliest plz
Humans obtain nitrogen because bacteria change nitrogen gas to useable compounds that can be absorbed by plants.
What is nitrogen fixation?Nitrogen fixation refers to the various processes by which nitrogen is made available to plants by from the environment.
Nitrogen found in the human body is obtained from plants and well as by eating animals which have taken in plants.
Bacteria are responsible for fixing nitrogen in plants.
Therefore, humans obtain nitrogen because bacteria change nitrogen gas to useable compounds that can be absorbed by plants.
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Why is it better to breathe through your nose? a. To filter the air. b. To warm the air. c. To remove carbon dioxide. d. To expand your lungs e. To take in more oxygen. f. To slow down your breathing.
Answer:
your awnser is c to remove carbon dioxide
True or False. Water stayed in the straw activity we did because of water pressure.
1. True
2. False
Answer:
False
Explanation:
I’m am small scale.
And I have scales.
I am an unusual reptile.
..That is, I have winged limbs.
What am I?
Answer:
I think it is the Draco lizard, buy I am not 100% sure
Explanation:
What is the chemical formula for the stable ionic compound formed between lithium and iodine?
Answer:Lil
Explanation: the one is an undertood one for both of them
"Why does the water table change throughout the year in a wetland?"
As temperatures rise, potential evapotranspiration will also increase. In addition, precipitation patterns are changing. The changes would cause water availability to decline, and the depth of the water table would shrink. In some of the wetlands, the water table could retreat by more than eight inches.
What are enzymes, and why are they important to living things?
Answer:
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
Explanation:
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
What are the functions of enzymes?An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.
Enzymes help speed up chemical reactions in the human body. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles. Each cell in the human body contains thousands of enzymes.
The function of enzymes is to carry out critical tasks. These involve muscle growth, removing toxins, and tearing down the molecules in food throughout digestion.
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what are some photosynthesis reactants and products
Answer:
The photosynthesis chemical equation states that the reactants (carbon dioxide, water and sunlight), yield two products, glucose and oxygen gas. The single chemical equation represents the overall process of photosynthesis.
Explanation:
why are protiens considered organic molecules
Answer:
Proteins are considered organic molecules because they are made up of carbon atoms with hydrogen, oxygen and nitrogen attached. Organic molecules.
Why do fish have smooth scales on their body?
If the mass for me to see it while the volume of the substance_______ the distance sea of the substance will _______
A) decreases,decrease
B)increases, decrease
C)increases, stay the same
D)decreases, stay the same
PLEASE HELP!!!
when baking soda is added to vinegar. gas is produced
Answer:
yes
Explanation:
Identify carcinogens to which you are regularly exposed.
HELPPPP PLEASEEEEEEEEEEE
Answer:
I think B
Explanation:
If I am wrong do not hold it against me because I said " I think."
Describe what you know about enzymes that explains your claim
"When the temperature increases, the rate of a catalase activity increases. When the temperature decreases, the rate of a catalase activity decreases."
Answer:
enzymes are a catalyst. they speed up reactions within an organism.
How would cactuses in their ecosystem change through the everyday act of living?
Answer:
They may change due to environmental changes. for example, if a cactus suddenly experiences a drought, it may change to become better at holding water than before. if it suddenly experiences large amounts of rainfall, it may change to release more water, etc.
Earth's major climate zones can be divided into smaller regional climates.
Explain why climate zones and regional climates do not follow latitude lines exactly
Answer:
Different latitudes on Earth receive different amounts of sunlight, and are a key ... sometimes receiving as little precipitation as the world's driest deserts. ... these high-latitude regions, but even less melts due to the cold temperatures ... the 'temperate' climate can experience both arctic and tropical weather in the same year.
Explanation:
A white blood cell with an internal solute concentration of 0.9% is placed in a solution of concentrated salt
water of 5%. Describe what will happen to the white blood cell in this solution
Use the drop-down menu to identify what each label
shows
А river, watershed or tributary.
B river, watershed or tributary.
Explanation:
a is river
bi is tributary
a is river and b is tributary.
What is River?A river is a significant, unmanmade body of flowing water. On almost every type of land and on every continent, rivers can be found.
A river is a significant, unmanmade body of flowing water. On almost every type of land and on every continent, rivers can be found. Some flow continuously. Some flow only during wet years or throughout certain seasons.
The Nile in Africa and the Amazon in South America are the two longest rivers in the world, respectively. Both rivers cross numerous nations. Scientists have argued about which river is longer for centuries.
Therefore, a is river and b is tributary.
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In order to prevent harsh chemicals from coming into contact with crops, organic farmers use _______ fertilizers and pesticides.
Answer:
compost or natural fertilizersand pesticides
Answer:
Compost
Explanation:
Which of the following is an accurate description of the characteristics of prokaryotic cells?
Answer:
prokaryotes don't have a nucleus. They also have less organelles and are usually smaller than eukaryotes.
What happens to the mRNA after transcription? *
0
A) It dissolves into the cytoplasm
B) It attaches to the RNA polymerase
C) it remains within the nucleus ready for translation
D) it leaves the cell through the pores in the cell membrane
E) It leaves the nucleus through the pores in the nuclear membrane
Answer:
B. it attaches to the RNA polymerase
Explanation:
PLEASE HELP EACH QUESTION ONLY NEEDS 1-2 SENTENCES.
1. What is the difference between contact force and non contract force
2. What is net force?
3. What is balanced force?
Answer:
1 contact force is a force in touch
non contact force is a force with out in touch
the sum of a forces acts upon on a body
equal amount of force applied on one object
Answer:
1/non contact force is like wind and they are different because they can move in a different way like if you move a big rock by touching it its going to go to the place you want it to go compared to wind it might go somewhere else
Explanation:
2,net force is how much force you putting or pulling
3.the object does not go anywhere
Which of the following best explains why vultures are NOT decomposers?
Vultures only eat plants, making them primary consumers.
Vultures only pick at bugs, grub, and other microscopic organisms.
Vultures stalk their prey before killing and eating it.
Vultures do not break down wastes, and only consume meat.
someone please answer this question with out saying they only eat ROCKS
someone please answer this question without saying they only eat
Answer:
They do not break down waste they consume the meat off the bones.
Explanation:
Hope this helped ya. :D
Answer: The correct answer is D) Vultures do not break down wastes, and only consume meat.
Explanation: Confirmed correct.
