Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with rocks (axidation), resulting in increased rates of weathering for soil
production. Life system: land plants evolve and take root in terrestrial soil.
O Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with all available dissolved iron in the ocean. Life system: mass extinction
event of anaerobic organisms occurs from buildup of oxygen in the ocean.
• Earth system: oxygen moves from the ocean to the atmosphere through gas exchange. Earth system: free oxygen reacts with incoming solar radiation to form ozone. Earth system:
ozone collects in the stratosphere to form the protective ozone layer.
O Earth system: molten Earth forms into layers based on density and pull of gravity. Earth system: Earth cooled, and the water vapor in the atmosphere condensed and created the
oceans. Life system: cyanobacteria evolved.

Answers

Answer 1

The cyanobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out  Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it.

What is photosynthesis?

Photosynthesis is a process that occurs in the chloroplast organelle of plant cells. The typical light reaction of photosynthesis takes place inside the thylakoid membrane of the chloroplast. The chief reactants such as water and carbon dioxide participate in the reaction. The water gets oxidized in the reaction to release oxygen as a product. The carbon dioxide gets reduced.

Thus, Photosynthesis is a process that occurs in the chloroplast organelle of plant cells

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Related Questions

what is the biggest great white shark ever recorded

Answers

Answer:  

19.7 FT.

Explanation:

According to experts, such as J. E. Randall, the largest, reliably measured Great White Shark, was 6.0 m (19.7 ft) in length, from Ledge Point in Western Australia

my favorite food during lunchtime is___________



The ingredients are = ____________________



The procedures are = ________________________​

Answers

My favorite food during lunchtime is Pork Adobo

The ingredients are:

2 lbs pork belly

5 pcs. dried bay leaves

1 tablespoon peppercorn

salt to taste

1/2 cup of soy sauce

4 tablespoons of vinegar

2 tablespoons garlic minced or crushed

The procedures are:

Combine the pork belly,soy sauce,and garlic then marinade for at least 1 hour.Heat the pot and put-in the marinated pork belly then cook for a few minutes.Pour remaining marinade including garlic.Add water,peppercorn,and dried bay leaves, then bring to a boil Simmer for 40 minutes to 1 hour.Put-in the vinegar and simmer for 12 to 15 minutes.Add salt to taste.Serve hot! Share and enjoy!

Hope It Helps

Which brain structure relays incoming sensory information.

Answers

The thalamus is the relay center of the brain .

The thalamus is an egg-shaped structure in the middle of your brain that acts as a relay station of all incoming motor (movement) and sensory information — hearing, taste, sight and touch (but not smell) — from your body to your brain

The thalamus in your brain functions as a relay point for information. Your thalamus is required to digest all of the information coming in from your senses (with the exception of your sense of smell) before it can be transmitted to the cerebral cortex of your brain for interpretation.

In addition, the thalamus contributes to the processes of sleeping, waking, being conscious, learning, and remembering.

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What is the original starting color for Glucose indicator?

Answers

Answer:

If adding Benedict's reagent in the glucose solution and then heating it, the solution changes gradually from blue to dark orange. That is, colors change in the order of blue-green-yellow-dark orange according to the concentration of glucose.

what is produced by the process of meiosis

Answers

Answer:

meiosis produces reproductive cells - egg and sperm cells

Which body system breaks down food into nutrients.

Answers

Answer:

digestive system

Explanation:

Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.

why do staturated fatty acids have straight structures

Answers

Answer:

"The chemical structure of a saturated fatty acid exhibits each carbon bonding to the adjacent carbon with single bonds. Each carbon is also bonded to two hydrogen atoms. The linear nature of saturated fatty acids allows for tightly packed formations, causing them to be solid at room temperature"

That's what I know and I hope it wiill help you.

photosynthesis takes place inside organelles called

Answers

Takes place inside the chloroplasts.

What type of doctor specializes in the male reproductive system?.

Answers

Answer:

urologist

Explanation:

A urologist is a medical doctor specializing in conditions that affect the urinary tract in men, women and children, and diseases that affect the reproductive system

Please help would be very much appreciated​

Answers

This looked familiar to something I’ve done.

Sarah owns a dog. Her veterinarian tells her that her dog has a disorder because the ball of the thigh bone is not seated snugly within the socket of the hip on both the hind legs. Which disorder does this indicate?

Answers

Answer:

A i think

Explanation:

has a stronger affinity for hemoglobin than oxygen has

Answers

Answer:

CO  

Explanation:

Carbon monoxide binds with Hb with 240 times the affinity of O2

Using sentences, describe three specific examples of the interconnectedness of the organisms found in Gorongosa National Park.

Answers

Located at the southern tip of Africa's Great Rift Valley, Gorongosa National Park is home to an astounding diversity of animals and plants. Once known as "the place where Noah left is ark", wildlife populations were decimated by nearly two decades of civil war.

Conservation efforts to restore the park are currently underway, with the support and cooperation of many organizations.

How Technology is important in order to conduct research on lions in Gorongosa national park?

Technology is important in order to conduct research on lions in Gorongosa national park. Studying lions is not that easy, however, applications of technology like satellite collars that demonstrate complete information on the daily activity of lions has greatly developed the study of lions.  

Thus, most notably that of the Carr Foundation/Gorongosa Restoration Project.

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Which organelle converts the chemical energy stored in food.

Answers

Answer:

Mitochondria

Explanation:

using oxygen available within the cell convert chemical energy from food to energy in a form usable to the host cell. The process is called oxidative phosphorylation and it happens inside mitochondria.

Where is energy storef in living systems

Answers

Living organisms use two major types of energy storage. Energy-rich molecules such as glycogen and triglycerides store energy in the form of covalent chemical bonds. Cells synthesize such molecules and store them for later release of the energy.
Energy is stored in the chemical bonds in molecules

in human digestion system trachea and oesophagus both connect to the
a large intestine
b stomach
c pharynx
d rectum

Answers

Explanation:

In human digestion system trachea and oesophagus both connect to the :-

b) Stomach

Answer:

b) stomach

Explanation:

In the human digestion system, the trachea and esophagus both connect to the stomach.

select the correct answer from each drop down menu

complete the sentence about sea floor spreading

seafloor spreading is caused by ___ (divergent, convergent, transform) boundaries and results in ___ (more continental land, mountains on land, mid ocean ridges)

Answers

Answer:

divergent,mid ocean ridges

Explanation:

the seafloor diverge from each other causing the land to go thinner and thinner and thinner and make an opening between the floors and continue to move away from each other until they touch a more firm land to be able to stop, then the mid ocean ridges come between the floors where inside there is water and on the side there are the ridges

Which of the following countries is
NOT part of Central America?
A. Nicaragua
B. Honduras
C. Peru
Please awnser fast.

Answers

Answer:

A

Explanation:

B and C are both know parts and wealthy parts of central america which only leave A open

Answer: Peru

Explanation: hope that this helps.

Flexibility can be defined as
A. The ability to perform or retain the center of mass over the base of support.
B. The range of movement possible at a joint or series of joints.
C. The ability to quickly change body position or direction of the body.

Answers

t Answer:
C.
Explanation:
When you are trying to fit into a small place for example you aren't compressing your joints because what happens to one side would happen to the other so one side would stick in well the other out, like hyper extending your finger. So if you are able to move around and change the direction of the body you can "shimmy" into and out of that place.

What explains how the parents in a family both have the same eye color, but some of their children have a different eye color? Assume for this example that eye color is determined by a single gene.

A. One parent is homozygous dominant, and the other heterozygous for a gene that controls eye color allowing some of the children to express a different trait.

B. The parents are both homozygous dominant for a gene that controls eye color allowing some of the children to get two recessive alleles.

C.One parent is homozygous dominant, and the other homozygous recessive for a gene that controls eye color allowing some of the children to express a different trait.

D. The parents are both heterozygous for a gene that controls eye color allowing some of the children to get two recessive alleles.

Answers

The correct option is D. The parents are both heter0zyg0us for a gene that controls eye color allowing some of the children to get two recessive alleles.

What is complete dominance?

When the dominant allele completely masks the recessive allele, we talk about complete dominance.

This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.

In the exposed example, let us assume that the alleles that code for eye color are the followings,

E is the dominant allele and codes for the dominant colore is the recessive allele and codes for the recessive color

If at least one parent is h0m0zyg0us dominant for the trait, EE, the whole progeny will express the dominant trait because all of them will carry at least one dominant allele.

If both parents are heter0zyg0us Ee, some children will express the dominant trait and some other the recessive trait. This is because some of the children receive at least one dominant allele and some others only receive recessive alleles.

Cross:

Parentals) Ee   x   Ee

Gametes) E   e    E   e

Punnett square)     E     e

                       E    EE    Ee

                       e    Ee    ee

F1) Genotype

1/4 = 25% of the progeny is expected to be h0m0zyg0us dominant EE

1/2 = 50% of the progeny is expected to be heter0zyg0us Ee

1/4 = 25% of the progeny is expected to be h0m0zyg0us recessive ee

    Phenotype

3/4 = 25% of the progeny is expected to have the dominant eye color

1/4 = 25% of the progeny is expected to have the recessive eye color

The correct option is D. The parents are both heterozygous for a gene that controls eye color allowing some of the children to get two recessive alleles.

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Recently, oil from a wrecked tanker resulted in a disaster in ecosystems containing many unique species. The potential loss of these species could result in.

Answers

In a disaster in ecosystems containing many unique species. The potential loss of these species can result in loss of species diversity and ecosystem imbalance.

What is the diversity of living beings?

Biological Diversity or Biodiversity is the set of all living beings on the planet. It refers to the variety of

kingdomsphylaclassesordersfamiliesgeneraand species,

as well as specific populations and communities, including all terrestrial fauna and flora.

With this information, we can conclude that in a disaster in ecosystems containing many unique species. The potential loss of these species can result in loss of species diversity and ecosystem imbalance.

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If the mass of an object increases, what also increases

Answers

Answer:

The force does too

Explanation:

From the universal law of gravitation, F ∝ m1m. Since force is directly proportional to mass, if the mass of either of the object increases, the force also increases.

Which of the following affects the carrying capacity of an ecosystem?
A.
availability of water
B.
number of predators
C.
availability of food
D.
all of these

Answers

Answer:

I think your answer would be D. All of These.

Explanation:

All of them are needed.

what is the difference between an extinct species and a mass extinction?

Answers

Answer and Explanation:

Background extinctions are common since a small number of species will go extinct at any point across geologic time, whereas mass extinctions are rare events, happening only once about every 100 million years. Or another interpretation is Mass extinction is an event in which a large number of species go extinct over a short period caused by major events. Background extinction is the rate of extinction going down over time that are not caused by major events.

Hope this helps!
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Which of these can fit through the
small spaces of the cell
membrane?

Answers

Answer:

Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.

Explanation:

Hope this helps you!

What is the part of the kidney where urine is formed?.

Answers

renal medulla
The renal medulla contains the renal pyramids, where urine formation takes place. Urine passes from the renal pyramids into the renal pelvis. This funnel-shaped structure occupies the central cavity of each kidney and then narrows as it extends out to join the ureter.

In the human life cycle

Answers

What's the rest of the question so I can answer it

Explanation:

hurry and type the rest out pls

The first organisms to occupy an area after a prairie fire are known as.

Answers

Answer:

pioneer species

Explanation:

Photoreceptors are located in the.

Answers

Answer:

photoreceptors are located in the plants

Answer:

Eyes

Explanation:

Which statement describes how the image represents the concept of a common? - A P E X

A. Regulations can prevent the pollution shown in the picture.
B. Multiple households can cause pollution in a lake.
C. Nutrient pollution can cause algae to grow.
D. Lakes have still water whereas streams have running water.

Answers

The statement that best describes how the image represents the concept of a common is "Regulations can prevent the pollution shown in the picture." Option A. This is further explained below.

What is pollution?

Generally, pollution is simply defined as the presence of dangerous material in the environment.

In conclusion, "Regulations may help to avoid the pollution seen in the image" encompasses the concept of a common as regulation causes a common effect.

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Answer: B. Multiple households can cause pollution in a lake.

Explanation: I just got the question correct.

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