Explain the origin and importance of the buildup of free oxygen in the atmosphere for the evolution of animal life.
Answer:
Prior to the buildup of oxygen, organisms were mainly anaerobic and used mechanisms where no oxygen was present or needed. Once the buildup of oxygen starting occurring, organisms were forced to either evolve to survive or they would die off due to the presence of oxygen. The organisms needed to evolve so that they could use and benefit from the abundance of oxygen. The presence of oxygen is a huge evolutionary milestone that kick started the evolution of many new species. Organisms began to metabolize and perform all of its functions with oxygen present.
Explanation:
The origin and importance of the buildup of free oxygen in the atmosphere for the evolution of animal life as the Prior to the buildup of oxygen, organisms were mainly anaerobic and used mechanisms where no oxygen was present or needed.
What is the importance of oxygen?The importance of oxygen as once the buildup of oxygen starting occurring, organisms were forced to either evolve to survive or they would die off due to the presence of oxygen. The organisms needed to evolve so that they could use and benefit from the abundance of oxygen. The presence of oxygen is a huge evolutionary milestone that kick started the evolution of many new species. Organisms began to metabolize and perform all of its functions with oxygen present.
The origin and importance of the buildup of free oxygen in the atmosphere for the evolution of animal life as the Prior to the buildup of oxygen, he organisms needed to evolve so that they could use and benefit from the abundance of oxygen. The presence of oxygen is a huge evolutionary milestone that kick started the evolution of many new species.
Therefore, The origin and importance of the buildup of free oxygen in the atmosphere for the evolution of animal life as the Prior to the buildup of oxygen, organisms were mainly anaerobic and used mechanisms where no oxygen was present or needed.
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Animal fats are solid at room temperature because they consist of
A) polyunsaturated fatty acids
B) Monounsaturated fatty acids
C)saturated fatty acids
Answer:
C) Saturated Fatty Acids
Explanation:
Because unsaturated fatty acids are liquid at room temperature.
Choose one of the animals listed on the page, and write a brief description of its characteristics. Be sure to discuss any ways
the animal has adapted to its environment. (Site 1)
Answer:
The Horned Viper has two little horns on its head thats why its called The Horned Viper. The Horned Viper is a snake that has venom in its bite that can kill humans. The snake can grow to about two feet long. The Horned Viper likes to blend in with the sand all around it. The snake burrows into the sand and waits for birds, lizards, and small mammals to eat.
Explanation:
i got 100% mark brainlyest plz
A teacher performing a demonstration finds that a piece of cork displaces 24 mL of water. The piece of cork has a mass of 6 g. What is the density of the cork?
Answer:
0.25 g/cm³
Explanation:
Density is the ratio of mass to volume:
(6 g)/(24 mL) = 0.25 g/mL = 0.25 g/cm³
_____
1 mL = 1 cm³. Units of density in the cgs unit system are g/cm³.
pls help correct the answer gets brainliest and
How many centiliters in 46.03 kiloliters?
Help me please
Answer:
4603000 cL
Explanation:
because i used a converter and please give me brainliest :D?
Earth moon sun system model answers for edenuity
The Earth orbits the Sun while the Moon orbits the Earth. The Earth also rotates about its axis once every 24 hours making an Earth day 24 hours long. The Moon also rotates about its axis. However, due to gravity, the Moon's rotation is such that the same side of the Moon always points towards Earth.
Moon
☀️ . o
Sun Mercury Venus Earth
*the space between each planet is not accurate to real life cause they are millions and thousands away from each other*
What evidence do you have that mitosis occurred in the roots?
Answer:
The evidence we found that mitosis was a continuous process was that many of the cells we observed in a small part of the onion root was that they were between stages meaning they never stopped and started, the process kept going.
Explanation:
i'll give you brainliest if you put this in your own words
The pressure on the inner core makes the inner core into a solid state, the temperature is hotter that the outer core but it's not hot enough to melt a substance do to the pressure squeezing down from all the layers above!
Answer:
The pressure on the inner core puts the inner core into a solid state, therefore the temperature is hotter than the outer core, but not enough to melt a substance due to the pressure squeezing down from the other layers above.
Explanation:
is flour + water a colloid or solution?
Answer:
I belive it is a solution
Explanation: Hope this helped :D :3
Answer: ✅
Solution
Explanation: ✅
An example of a simple suspension would be flour in water, or sand in water. A colloid is a type of mixture intermediate between a homogeneous mixture (also called a solution) and a heterogeneous mixture with properties also intermediate between the two.
IamSugarBee
Quicklyyyyyyy neeeeeed help
All of the following are arguments used by global warming skeptics except
A. climate models for global warming have continually been wrong.
B. the dire consequences of global warming have not come to pass.
C. Earth has natural temperature cycles it goes through
D. an increase in temperature would actually be good for the climate
Answer:
D
Explanation:
Answer:
D
Explanation:
everything has is a reasonable answer and proof can be found to back it up except for D
NEED HELP PLEASE! Based on the figure, which of the following statements best describes the relationship between regions 1 and 2 of the protein?
A- Region 1 is hydrophilic because it interacts with the interior of the membrane, whereas region 2 is hydrophobic because it interacts with an aqueous environment.
B- Region 1 is hydrophilic because it interacts with an aqueous environment, whereas region 2 is hydrophobic because it interacts with the interior of the membrane.
C- Region 1 is hydrophobic because it interacts with the interior of the membrane, whereas region 2 is hydrophilic because it interacts with an aqueous environment.
D- Region 1 is hydrophobic because it interacts with an aqueous environment, whereas region 2 is hydrophilic because it interacts with the interior of the membrane.
The best description of relationship between regions 1 and 2 of the protein is region 1 is hydrophilic because it interacts with an aqueous environment, whereas region 2 is hydrophobic because it interacts with the interior of the membrane. Thus, option B is correct.
What is hydrophilic and hydrophobic?
Hydrophilic because it interacts with the interior of the membrane, whereas region 2 is hydrophobic because it interacts with an aqueous environment and hydrophilic because it interacts with an aqueous environment, whereas is hydrophobic because it interacts with the interior of the membrane.
Hydrophobic because it interacts with the interior of the membrane, whereas hydrophilic because it interacts with an aqueous environment and hydrophobic because it interacts with an aqueous environment, whereas hydrophilic because it interacts with the interior of the membrane.
Therefore, The best description of relationship between regions 1 and 2 of the protein is region 1 is hydrophilic because it interacts with an aqueous environment, whereas region 2 is hydrophobic because it interacts with the interior of the membrane. Thus, option B is correct.
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What would happen to CBB5 if the bacteria were heated up
Answer:When an enzyme is heated its shape, is disrupted and it becomes inactive. lol im 13
Explanation:
The farther a planet is located from the sun, the longer its day and year. How accurate is this statement?
Answer:
Very Accurate cause if a planet is farther from the Sun the slower and longer it takes to make a rotation around the Sun
Explanation:
What was found in a French cave in 2013?
answer is Montignac........
Damage to the____would result in your feeling less fear.
A. pons
B. hippocampus
C. amygdala
D. hindbrain
Answer:
Amygdala
Explanation:
emotions
Fill in the blank
Water is a ________ of the light dependent reaction
Answer:
Water is split during the light reaction to form oxygen
Explanation:
The hydrogen ions formed are super important for photosynthesis. They will be used to create ATP molecules. The ATP molecules will be used later on in the dark reaction (also called the Calvin cycle). The ATP molecules allow the plant cell to assemble carbon based molecules like glucose.
Since diffusion is the primary method one celled organisms use for material transport, the ratio of____________ is an important factor for them
Answer:
uffff..... that's a tough one
A mother sea turtle crawls onto shore and lays over one hundred eggs. The eggs hatch and more than half don’t survive what’s the explanation
natural selection is the best way to put this. you know. survival of the fittest.
the weak die and the stronger ones lives. but not necessarily all the time.
a lot of the time its all about luck and hope you dont get targeted or spotted
by predators. i mean yeah. that's about it.
Living cells are classed as either prokaryotic or eukaryotic. Which of the following characteristic(s) identify eukaryotic cells? Select all that apply.
are produced by division of another cell
comprise most multi-celled organisms
contain DNA
have a nucleus
have membrane-bound organelles
mostly single-celled organisms
contain cytoplasm
are the smallest unit of living matter
Answer:
have nucleus have membrane bound organelles have cytoplasm contain DNA
Natalia wants to surprise her daughter on her birthday so natalia orders her daughters favorite toy online workers wrap the toy and ship it to natales address, just in time for her daughter birthday. Identify the organelle that performs a simular function.
Answer:
This question is incomplete
Explanation:
This question is incomplete but the function described in the question is that of the golgi apparatus. The golgi apparatus is responsible for packaging and transporting of molecules (lipids and proteins) from the endoplasmic reticulum to there final destination in the cell.
Hence, the answer is golgi apparatus
Which of the following is NOT evidence of plate tectonics?
1. distribution of fossils
2. location of earthquakes
3. rain forest depletion
4. the shape of the continents
Rain forest depletion is not evidence of plate tectonics.
• Plate tectonics is responsible for the distribution of fossils on distinct continents, for the continental and ocean floor features comprising volcanoes, mountains, trenches, and faults, for the occurrence of earthquakes, and the shape of the continents.
• On different continents, the fossils are identical to the fossils found on the continents, which were once connected.
• The majority of the oceanic and continental floor features are the outcome of the earthquake and geological activity along the plate boundaries.
• The depletion of rainforest is not a result of plate tectonics. The major reason for rainforest depletion are agriculture and fuelwood collection.
• Apart from this, some of the human activities like logging, mining, development of large dams and industry is also major cause of rainforest depletion.
Thus, rainforest depletion is not evidence of plate tectonics.
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How was the cane toad introduced in Australia
Answer: Option B)
Im 100% sure its the answer!
A different number of these ions
An ion is an atom that has different number of protons and electrons. An isotope is an atom of an element with a specific number of neutrons. Two different isotopes of the same element will have two different neutron counts.
Explanation:
When organisms break the bonds of organic compounds, the organisms can ____. A. use the smaller molecules to plug the gaps in the cell membrane to slow diffusion B. use the energy obtained to digest molecules produced by respiration that uses oxygen C. obtain energy or reassemble the resulting materials to form different compounds D. excrete smaller amounts of solid waste materials during vigorous exercise
Answer:
C. obtain energy or reassemble the resulting materials to form different compounds
Explanation:
Organisms can break down organic bonds (usually C-C bonds) to produce chemical energy, especially in the form of Adenosine triphosphate (ATP). In living cells, ATP is considered to be the 'cell's energy currency' because this molecule provides energy for diverse cellular processes. Moreover, small organic molecules generated by chemical breakdown can also be reutilized in metabolic pathways in order to synthesize new (more complex) macromolecules. For example, fatty acids generated by the breakdown of longer lipidic macromolecules can be reutilized in different metabolic pathways to produce structural building blocks of the cell.
When a gummy bear shrinks, is that considered hypertonic or hypotonic?
Answer:
Hypertonic
Explanation:
In hyper-tonic solutions, the cell will shrink and crenate. The mass and volume of a gummy bear that is placed in a salt solution will decrease due to the effect of osmosis. When placed in water, a hypo-tonic solution, the gummy bear will expand in size and volume due to the water entering it.
3 examples of situations where a force is a nuisance
Answer:
getting shoved
getting hit
stubbing your toe
Explanation:
Someone help pls 1-10
Answer:
1) ecosystem. 2) community. 3) species. 4) competition. 5) ecology. 6) biotic factor. 7) resource. 8) abiotic. 9) habitat. 10) population.
Explanation:
I checked, these are 100% correct.
What is the purpose of this article?
A) to inform
B) to inspire
C) to persuade
D) to entertain
Answer:
Wheres the article do you have an article?
The specialized structures of different types of cells are related to the cell's
1. function
2. equilibrium
3. energy
4.homeostasis
Answer:
function I think
Explanation:
I am in 7 grade it has been a minute so i thnk this is right it the only one that sounds right
The specialized structures of different variety of cells are related to the cell's function. Thus, option 1 is correct.
What are different cell functions?Every one of the life forms are comprised of cells. They structure the underlying premise of the relative multitude of life forms. The cell wall and the cell film are the principal parts that capability to offer help and design to the life form. For eg., the skin is comprised of an enormous number of cells.
During the time spent mitosis, the parent cell separates into the girl cells. In this way, the cells duplicate and work with the development in a creature.
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