Answer:
derivation of newton second law of motion
motion states thay the acceleration of a system is directly propotional
w=mg
postcranial changes in hominins that indicate bipedal locomotion include group of answer choices shortening and broadening of the ilium of the pelvic girdle increased length of arms relative to legs feet with opposable big toes for grasping all of these answers are correct
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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Performed by autotrophs.
Select one:
a. Cellular Respiration
b. Both Photosynthesis and Cellular
Respiration
c. Neither Photosynthesis nor Cellular
Respiration
d. Photosynthesis
what is the name of the instrument that separates the colors of two-colored gem minerals?
Answer: Dichroscope
Explanation:
Dichro - of a crystal) showing different colors when viewed from different directions, or (more generally) having different absorption coefficients for light polarized in different directions.
Write names (3 letters) of the amino acids according to the following code:
AUG-GUU-AGG-CCA-UAU-UGA
Answer:
MET-VAL-ARG-PRO-TYR
And UGA is stop
Explanation:
I study it in Swedish but i do not know if it is the same thing in English as well .
Where is ATP produced in the cells during cellular respiration?
O Golgi bodies
mitochondria
O nucleus
O ribosomes
Answer: b mitochondria
Explanation:
+PLEASE HELP ASAP DUE 20 MINUTOS i
I WILL give BRAINLIST:;)))
Answer:
UM No
Explanation:
SOMEONE PLEASE HELP ME PLEASE!!!!!!!!!!!!!!!!!!?!!!!!
Answer:
the correct answer is "C. 4"
Explanation:
The nucleus is a double-membraned organelle found in all eukaryotic cells. It is the largest organelle, which functions as the control center of the cellular activities and is the storehouse of the cell’s DNA. By structure, the nucleus is dark, round, surrounded by a nuclear membrane.
the small intestine is at the same level of organization as which of the following heart, connective tissue, digestive system, or epithelial cell?
Answer:
Heart
Explanation:
They are both organs, everything else is too big or too small.
The small intestine is at the same level of organization as the heart. The correct option is a.
What is the level of organization?The body is divided into different levels of the organization. These levels of organization are cellular level, tissue level, organ, organ system, and organism.
At the cellular level, the cell is the base unit of life. At the tissue level, the cells joined and compose tissues. At the organs level, tissues are joined to make organs, and many organs form an organism.
The small intestine and heart are organs, so they come in the same level of organization. The organ. The digestive system comes from the organs system and epithelial cell comes at the cellular levels. Connective tissue comes under tissue level.
Thus, the correct option is a. heart.
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Plants and animals must have the element nitrogen because it is an important
component of nucleic acids and proteins.
How do these organisms obtain nitrogen?
A
Plants and animals get nitrogen directly from the air the same as
they do oxygen.
B
Bacteria get nitrogen from the air, and plants and animals get
nitrogen by eating the bacteria.
C
Nitrogen fixing bacteria convert nitrogen from the air into ammonia,
and animals ingest the ammonia.
D
Bacteria in the soil convert nitrogen from the air into a form that
plants can use, and animals get nitrogen by eating the plants.
Answer:
nitrogen fixing bacteria
these organisms obtain nitrogen, Nitrogen fixing bacteria convert nitrogen from the air into ammonia and animals ingest the ammonia.
what are the role of nitrogen fixing bacteria ?
Nitrogen fixation occur by a bacteria called nitrogen fixing bacteria during nitrogen cycle.
nitrogen-fixing bacteria are the microorganisms that provide plants with the vital nutrients and it can't be obtained from the atmosphere (air).
nitrogen-fixing bacteria are responsible for the conversion of atmospheric nitrogen to ammonia during nitrogen cycle can be taken up by plants.
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help me with this question please!!
Answer
the first choice
Explanation:
For a commercial application using an enzyme, the progress of the
enzyme-catalysed reaction needs to be studied.Which structures will be present in a cell that causes cholera?
define terrestrial planets:
please help i need to submit it soon
Answer:
The planets like Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth's terra firma.
State that ecosystems have the potential to be sustainable over long periods of time.
Answer:
Ecosystems have the potential to be sustainable over long periods of time. Something is sustainable if it can continue indefinitely depending on nothing but itself. The concept has become increasingly well-known as it has become evident that current human uses of resources, mostly fossil fuels, are unsustainable.
Explanation:
hope it helps, please mark as brainliest
A region where the flora, fauna and microorganisms together with the abiotic factors live together is called an ecosystem.
The ecosystem has a flow of energy and nutrients. Ecosystems have the potential to sustain over a longer duration.
Sustainability is a source or resources that can be used indefinitely without compromising future needs.
The nutrient cycle of the ecosystem can be recycled but the energy flow of the system cannot be.
If the particular ecosystem can maintain its function and structure over some time will be sustainable.
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lol I have a test ill post all the questions here sorry guys... PLEASE HELP!
This process results in DNA being duplicated
Transcription
Translation
DNA Replication
A and B
Answer:
DNA Replication
Explanation:
why are casts, molds, and trace fossils so common?
Answer:
Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. Any mold fossil can potentially form a cast mold.
Explanation:
Answer:
Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. ... Any mold fossil can potentially form a cast mold
Explanation:
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lohmann, k. j. et al. regional magnetic fields as navigational markers for sea turtles. science 294, 364–366
The discussion of lohmann, k. j. et al. regional magnetic fields as navigational markers for sea turtles science 294, 364–366 is given in below paragraph-
Young loggerhead sea turtles (Caretta caretta) migrate across the North Atlantic Ocean from eastern Florida before making their way back to the North American coast. Here, we report that hatchling loggerhead turtles responded to magnetic fields by swimming in directions that would, in each case, help keep the turtles within the North Atlantic gyre currents and facilitate movement along the migratory pathway. These magnetic fields simulated those found in three widely separated oceanic regions. These findings suggest that juvenile loggerhead turtles have a navigational system whereby local magnetic fields serve as navigational markers and trigger changes in swimming direction at significant geographic borders.
What are magnetic fields?An electric charge, an electric current, and magnetic materials are all affected magnetically by a magnetic field, which is a vector field. A force perpendicular to the magnetic field and its own velocity acts on a moving charge in a magnetic field. The magnetic field of a permanent magnet attracts or repels other magnets and pulls on ferromagnetic materials like iron. A magnetic field that changes depending on the location will also exert a force on a variety of non-magnetic materials by influencing the mobility of their outer atomic electrons. By using electric currents, like those found in electromagnets, and by altering the electric fields over time, magnetic fields are produced that surround magnetized things.
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When is now-casting used?
15 days from now
Severe Weather Events
Clear Sky Days
Sunny Days
Answer:
Severe Weather Events
Explanation:
JUST TOOK THE QUIZ
Now-casting is most commonly used during severe weather events to provide up-to-date information and warnings.
Now-casting is a type of short-term weather forecasting that focuses on the current and immediate future weather conditions, typically up to a few hours or a few days ahead. It is used to provide real-time updates and predictions for weather events that are occurring or expected to occur in the near term.
Now-casting is commonly employed during severe weather events such as thunderstorms, hurricanes, tornadoes, or heavy rainfall. It helps meteorologists monitor the current conditions, track the progression of the weather system, and issue timely warnings or advisories to the public.
While it may also be employed during clear sky days and sunny days, its focus is primarily on dynamic weather situations and short-term forecasts rather than stable weather patterns.
Therefore, now-casting is most commonly used during severe weather events to provide up-to-date information and warnings.
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Mary Jane’s red hair is a recessive trait. If Peter is heterozygous for hair color, what is the chance their baby will have red hair?
1/4
2/4
0
3/4
Answer:
2/4
Explanation:
If you know how to do a punnet square then you should use it, but if not then this is how you do it: (look at the document below)
what is the state of a object when not have net force
which of the following is an example of an abiotic limiting factor on population size
a)water availability
b) predation
c)disease
d)availability of food
Answer:
It is A
Explanation:
A
Meiosis is a process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell. Meiosis usually involves two distinct divisions called meiosis I and meiosis II. By the end of meiosis, a single diploid cell has produced four haploid cells.
After interphase I, the cell begins to divide, and the chromosomes pair up. In prophase 1 of meiosis, each replicated chromosome pairs with its corresponding homologous chromosome. This pairing forms a structure called a tetrad, which contains four chromatids. As the chromosomes pair, they sometimes undergo a process called crossing-over.
Which is a true statement of crossing-over?
A. Homologous chromosomes move to opposite ends of dividing cells
B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged
C. The DNA of the diploid cell is copied
D. Crossing over decreases genetic diversity
Answer:
B.
Explanation:
D is wrong because it Increases gentetic diversity
C we are talking about the chromosome not the cell
A That is later on in telophase I
Write a lab report for this lesson’s lab. Be sure that your report:
includes all major elements of a lab report.
meets your teacher’s content and format expectations.
is clearly organized and formatted.
demonstrates strong scientific reasoning and writing.
While writing, you can revisit previous parts of the lesson by returning to the course map. Be sure to refer to the
lab’s student guide, which you can find on the first page of the lab experiment activity. You may also find it
helpful to refer to the remaining pages of this guide, which provide general guidelines for writing lab reports.
Here is the example of Lab Report: Photosynthesis which has all the points.
Aim of experiment - What is the aim of this lab? What query is it looking to solution, or what hassle is it looking to explain? Write your solution below.HypothesisAfter studying the lab instructions - however earlier than beginning the lab - report your best "knowledgeable guess" approximately what is going to manifest withinside the experiment. Give your motives and description any assumptions that lead you to this hypothesis. Write your solution below.Experimental DesignMaterial used on this lab, and a short rationalization of the strategies you followed. (You do now no longer want to retype the procedure; really summarize your strategies). Add #'s wherein necessary.Procedure (listing steps withinside the order in that you carried out them)Record the facts you accumulated withinside the lab. Answer all the questions below.Experiment 1 Data and Observations: 1. Record the preliminary pH fee of the water withinside the beaker:Record the pH fee of the water withinside the beaker at:Record the conduct of the sparkling splinter after its located withinside the take a look at tube.Note the result.What is lab report ?Lab reviews are written to explain and examine a laboratory test that explores a systematic concept. They are normally assigned to allow you to: Conduct clinical research. Formulate a hypothesis/hypotheses approximately a specific stimulus, event, and/or behaviour.
Thus it is well explained.
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pls help im struggling i’ll give branliest
Its d if not im so very sorry
The _______ is responsible for maintaining homeostasis within any cell
Answer: Cell Membrane
Answer:
cell membrane
Explanation:
The structure most responsible for maintaining cell homeostasis is the cell membrane.
Why would you answer your own question lol
Two students are studying for a Science Test. On the table they had a glass of water and identical cell phones (Cell Phone A & Cell Phone B). Both of their phones had run out of battery, therefore they were both charging in the same wall outlet. Cell Phone A had a charging cord that was 3ft & Cell Phone B had a charging cord that was 9ft. Cell phone B, which was closest to the glass, vibrated while ringing and knocked over the half-full glass of water. *
Captionless Image
click here - just because we needed to make a question to post the scenario.
Part A: Identify the energy transformations that occur from the outlet charger to the ringing phone. *
Chemical energy transformations take place from the outlet charger to the ringing phone.
Part B: Explain how the Law of Conservation of Energy applies to the energy transformations that occur from the outlet charger to the ringing phone. *
This is a required question
Part C: Explain what we would see if the pencil is placed in the glass of water. What is causing the pencil to look this way? *
Part D: Predict which of the phones charged the fastest using Ohm’s Law. Justify your theory using Ohm’s Law. *
This is a required question
Part E: Argue that the amount of water in the glass affects whether it fell over or not. The glass that fell over on the student’s table was only half full. Answer using 1st & 2nd Law of Motion to support your claim. *
Answer:
I know C if u can give me A
Explanation:
Answer: im taking this right now
Explanation: can you give me the answers bc ion kno any
*
Which sequence of energy transformation is happening in this image?
how do enzymes play a factor into cellular respiration and photosynthesis? Name 2 instances where you use enzyme was inhibited/ plugged?
Answer: Enzymes are proteins that catalyze, or affect the rate, of chemical reactions without themselves being altered in the process. Specific enzymes catalyze each cellular reaction. The main role of enzymes during the respiration reaction is to assist in transferring electrons from one molecule to another.
There are two types of inhibitors; competitive and noncompetitive inhibitors. Competitive inhibitors bind to the active site of the enzyme and prevent substrate from binding.
Explanation:
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A biological community and the physical environment associated with it is called the
Answer:
ecosystem
Explanation:
SOMEONE PLEASE HELP ME WITH THIS PLEASE PLEASE PLEASEE!!!!!!!!!!
Answer:
C is the answer for the question
How many copies of chromosomes do gametes contain?
one
two
three
none
Human cells that contain one set of 23 chromosomes are called gametes, or sex cells; these eggs and sperm are designated n, or haploid. The matched pairs of chromosomes in a diploid organism are called homologous chromosomes.
Answer: Its 1
Explanation: