Answer:
Soil living organisms compromise from mammals (such as rats) to micro organisms (such as nematodes and protozoa). Soil organisms help in the modification of soil, and also in the decomposition of organic matter. However they can also pose as a treat to to some crops, as they are responsible for some plant diseases.
Explanation:
When living organisms breathe they give out carbon dioxide gas as a waste product. Carbon dioxide gas can be detected (identified) using a carbon dioxide indicator solution called bromothymol blue. To find out if there are living organisms present in the four different levels of soil takenfrom the deciduous forest.
helppp
I dunno how to answer theseeeee im so confuseddddddddd
Answer:
We know energy is transferred because it is exchanged at each level when one consumer eats another consumer.
You can provide evidence by comparing the units at each level.
Which part of the brain is responsible for decision making, problem solving and planning?.
Answer:
The prefrontal cortex.
Explanation:
What does the process of cellular respiration begin and end with?
a. oxygen, glucose
b. energy, glucose
c. glucose, energy
d. glucose, oxygen
Answer:
C. glucose, energy
Explanation:
Glucose is ‘raw material’ in cellular respiration. It passes through the glycolysis cycle, in the cytoplasm of the cell. This occurs in virtually all cells. In eukaryotic cells, with mitochondria, the product of glycolysis (usually pyruvate) is channeled to the organelle and pass through the Citric acid /Krebs cycle that produces even more ATPs than glycolysis.
Post-translational modifications of proteins may include which of the following processes?
Post-translational modifications of proteins makes them functional and include:
methylationaddition of disulphide bridges folding phosphorylation What is post-translational modification of proteins?Post-translational modifications of proteins refers to modifications that are made on new synthesized proteins after synthesis at the ribosomes.
Post-translational modifications of proteins are important as they help to convert the proteins into their active forms.
Some post-translational modifications of proteins include:
methylationaddition of disulphide bridges folding phosphorylationTherefore, post-translational modifications of proteins are required to make proteins functional.
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What is the most likely effect of this?
an increase in mutations in both bird populations
an increase in gene flow between the bird populations
an increase in genetic drift between the bird populations
an increase in mutations in the island population
Answer:
B. An increase in gene flow between the bird populations.
Explanation:
Answer:
B (gene glow)
Explanation:
an increase in gene flow between the bird population
how does urbanization affect your life and the area in which you live
Answer:
Population growth, lack of supplies
Explanation:
Urbanization can impact an area, especially population growth. People could be crowded, and that supplies could run out as it is an urbanized region.
An image of a wooly mammoth and a mastodon is shown here. Analyze the similarities and differences between these species and
present-day elephants. Evaluate the statements below and select the one(s) that accurately describe the evolution of these
species. Select ALL that apply.
Several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.
What are the differences between the mammoth and the elephant?The mammoth is an animal that was once extinct and belonged to the genus Mammuthus and the family Elephantidae which included the proboscidians. Elephants differ from mammoths in that mammoths had their bodies covered with hair. Also, elephants are slightly smaller than mammoths.
What are the differences between the mastodon and the elephant?Both were herbivores, but the mastodons had conical-shaped teeth designed to crush leaves and branches more easily. Mammoths had rough molars, allowing them to cut through vegetation and graze like modern elephants.
Whit this information, we can conclude that several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.
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Answer: B C E
Explanation: Usatestprep
What happens to ADP after ATP hydrolysis?
ADP is combined with a phosphate to form ATP in the reaction ADP+Pi+free energy→ATP+H2O. The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.
As plants diverged from a common ancestor, characteristic features evolved that distinguished
the main plant groups from one another. Which statement shows the evolutionary sequence in
which these features developed?
A. vascular tissue, seeds, flowers
B. seeds, vascular tissue, flowers
C. flowers, seeds, vascular tissue
The statement 'vascular tissue, seeds, flowers' shows the evolutionary sequence in which plant features developed (Option A).
What is evolution?Evolution means descendence with modification, which mainly occurs due to natural selection.
In terrestrial plants, the main evolutionary feature that emerged was the appearance of vascular tissues.
Subsequently, terrestrial plants evolved to produce seed plants and then flowers (angiosperm plants).
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Your New Year's resolution is to drastically reduce the amount of cholesterol in your diet by eating less meat and more fruits and vegetables. After a few months, your liver will respond by producing ______ cholesterol.
After a few months of eating less meat and more fruits and vegetable, the liver will respond by producing more cholesterol.
What is body homeostasis?The term body homeostasis makes reference to the internal equilibrium (homeostasis) of the body.
Body homeostasis may involve the production of certain substances when they are not consumed from the diet.
In this case, it is possible to increase cholesterol levels by having certain healthy habits (food habits).
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At the molecular level, how do scientists know a new species has arisen?
Answer:
DNA sequencing has brought us the genetic species concept. In this model, species are defined by genetic isolation rather than reproductive isolation. Species may be more or less identical morphologically, but differences in DNA determine whether or not a population is a new species.
Explanation:
? :-)
Mountains are formed at continental plates that converge because they have
similar
Answer:
When two plates of continental crust collide, the material pushes upward. This forms a high mountain range. The remnants of subducted oceanic crust remain beneath the continental convergence zone
Explanation:
Which type of rock cools on the earth's surface?
Explanation:
extrusive
The two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet
I Think Igneous Rock But I Dunno
Which of the following describes a limiting factor of population size?
Birth rate
Death rate
Available land
Gestational period
Answer:
death rate
Explanation:
As death rate increases there's decrease in population
What is inside a bacteriophage?
O protein
O DNA
O carbohydrate
O lipid
Answer:
the correct answer is DNA
An individual invested $5,000 into two accounts. They placed part of it into an account that earned 4.5% and the rest in an account that earned 6%. The total annual income generated from this investment in simple interest was $270. How much was invested in each account?
Based on the total annual income from simple interest, $2000 was invested in Account 1 while $3000 was invested in Account 2.
What is simple interest?Simple interest the amount of interest charged on a sum at a given rate and for a given period of time.
Simple interest = Principal × rate × timeIn simple interest, the principal amount is always the same.
Given that the principal is $5000
This amount was invested into two account at the following rates:
Account 1 at 4.5% interest rate
Account 2 at 6% interest rate
Total income from simple interest = $250
Let amount invested in Account 1 be y; amount invested in Account 2 will be 5000 - y
Interest on Account 1 = y × 4.5% × 1 = 0.045y
Interest on Account 2 = (5000 - y) × 6% × 1 = 300 - 0
06y
0.045 y - 0.06y + 300 = 270
-0.015 y = -30
y = 2000
5000 - y = 3000
Therefore, $2000 was invested in Account 1 while $3000 was invested in Account 2.
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the autonomic nervous system controls
A. tying your shoes
B. Heart Rate
C. chewing a bite of food
D. using a fork
The answer will be :
B. Heart Rate
which zone in the ocean is the most challenging to survive in?
Answer:
The Bathyal zone is the hardest to survive in.
Explanation:
Technically, the entire ocean is difficult to survive in. There's no oxygen and lots of scary ocean predators.
But the Bathyal zone, which is 1000 - 4000 meters below the surface of the ocean has no sunlight, making most of the sea creatures there have no eyes. Because this zone is so dark, with little food to survive in, fish don't hang out here.
(I suggest just staying home)
Define transcription AND explain how RNA leads to the production of a protein (aka polypeptide/amino acid sequence).
Answer: Transcription is a process in which a cell makes an RNA copy of a piece of DNA. The type of RNA that contains the information is called messenger (mRNA) because it carries the info, message from the DNA out of the nucleus into the cytoplasm.
Explanation: RNA is needed to help carry out the instructions in DNA, Like DNA, RNA is made up of nucleotide
Splitting apart a large atom nucleus into two or more smaller atoms describes what
energy type?
Nuclear energy
Chemical energy
Thermal Energy
Electrical energy
Convert 650 mm Hg to kPa and atm
Which type of electricity-generating power plant releases radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions?.
We can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.
What are coal-powered plants?These are power plants that rely exclusively on the burning of coal to generate electricity. These plants have been shown to release heavy metals such as lead and arsenic found in coal as well as minor traces of naturally occurring radioactive materials and minerals.
Therefore, we can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.
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Question 1
Which of these correctly distinguishes mitosis from meiosis?
Question 1 options:
Mitosis occurs in germ cells and meiosis occurs in somatic cells.
Meiosis produces four 2N daughter cells; mitosis produces two 2N daughter cells.
Crossing over takes place in mitosis and not in meiotic cell division.
The number of chromosomes remains the same in mitosis and is reduced by half in meiosis.
Answer:
Crossing over takes place in mitosis and not in meiotic cell division.
Explanation:
Mitosis occurs in somatic cells and meiosis occurs in germ cells. The crossing over event takes place in meiotic cell division and not in mitosis. Meiosis produces four n daughter cells.
It is spring in New York City and Washington, D.C. The temperatures in New York City are well above freezing, while a thunderstorm is expected in Washington. Which forms of precipitation would you predict in these two cities under these conditions?
a Rain in New York City and hail in Washington, D.C.
b Sleet in New York City and rain in Washington, D.C.
c Snow in New York City and hail in Washington, D.C.
d Rain in New York City and sleet in Washington, D.C.
Answer:
(C) - Snow probably in New York City and hail in Washington, DC
What do free ribosomes do?
A. raise alarms when the cell is under attack
B. float around the cell looking around then report back
to the nucleus
C. attach to mRNA to create proteins that are used
within the cell
D. maintain homeostasis by keeping the cell at a normal
temperature
inherited structures of bears
Which type of river is healthier for ecosystems?
A. channelized
B. meandering
Meandering
Explanation:
If u meander, then ur healthy
How is soil formed?
A.
Water combines with crystals of lava, leaving rock particles behind.
B.
Volcanic eruptions release magma, which produces loose rock.
C.
Sedimentary rocks are produced when the Earth’s crust shifts.
D.
Weathered rocks mix with other surface materials.
Answer:
They are produced from rocks (parent material) through the processes of weathering and natural erosion.
Explanation:
Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material.
Please help me asap! 20 points!!!
Can someone help me with this question?
Answer:
Wait there bones look like that
Explanation:
I did not know that they look like that the more you know
Do hardwork and intelligence can be inherit or not?