The process of photosynthesis resulted in (as in when photosynthesis first appeared on Earth)...


A. significant changes in the atmosphere.


B. extinction.


C. The evolution of multi-cellular life.


D. all of the above.

Answers

Answer 1
I think A. Significant changes in the atmosphere.

Related Questions

the equation for lactic acid fermentation

Answers

Answer:

more explenation please

Explanation:

What are two important factors in the ability of argentine ants to displace native ants?.

Answers

Answer:

Numerical and behavioural dominance enabled Argentine ants to displace these ants in just 20 min; the abundance of native species at baits declined 3.5–24 fold in direct relation to the rapid increase in L. humile.

Explanation:

(HERE IS THE ANSWER)
Which of the following are effectors in this reflex
arc? Check all that apply
* nerve ending in nasal passage
nose
Like other reflexes, sneezing involves a reflex arc,
Sneezing is triggered when the nerve endings in
the nasal passage are irritated by something like
dust or an unusual smell. Nerves carry these
impulses to the sneezing center in the brain stem
The sneezing center sends instructions to the
facial nerves that lead to the lungs and
diaphragm. The eyes water, the nasal passages
secrete fluid, and the diaphragm moves abruptly,
causing a deep breath. Then, a contraction in the
chest muscles cause air to quickly leave the nose
and mouth
X brain stem
lungs
diaphragm
eyes

Answers

Answer:

In this reflex arc, the

✔ nerve endings in nasal passage

is/are the receptor(s).

In this reflex arc, the

✔ sneezing center in brain stem

is the interneuron

Explanation:

e2020

Answer:

nose

lungs

diaphragm

eyes

Explanation:

can Someone help before I leave the class

Answers

The answer for this question is D

Frog lungs are poorly developed. How does this relate to their skin.

Answers

Answer:

Frogs breathe (and expel mucus) through their skin.

Where in an organism will mitosis take place

Answers

mitosis will take place in the mitochondria portion of cells in organisms
—-answer :somatic cells ——-

1 The ability to do work is called​

Answers

Answer:

energy

Explanation:

energy allowed organisms to do work.

African skulls that show both humanlike and apelike characteristics are thought to be derived from early African primates and are collectively referred to as

Answers

African skulls that show both humanlike and apelike characteristics are thought to be derived from early African primates and are collectively referred to as australopithecine.

What are the derived characteristics that distinguish early hominins from ancient chimpanzees?

Some features that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics such as specialized tool use and, in some cases, communication through language.

Thus, they referred as australopithecine.

To learn more about australopithecine click here:

https://brainly.com/question/177662

#SPJ1

Hello people ~
A dioecious flowering plant prevents both

a) Autogamy and geitonogamy

b) Autogamy and xenogamy

c) Geitonogamy and xenogamy

d) Cleistogamy and xenogamy

Answers

Explanation:

[tex]\longmapsto\: \red{ \underline{ \boxed{\frak{hello \: mate }}}}[/tex]

A dioecious flowering plant prevents both -

c) geitonogamy and xenogamy

HELP PLEASEE
Vertebrates that are warm blooded, have feathers and reproduce by laying eggs would be classified as
A) amphibian B) bird C) fish D) reptile

Answers

Answer:

B

Explanation:

Birds are vertebrates and they also have feathers and reproduce by laying eggs. Additionally, they are also warm blooded.

Answer:

B) bird

Explanation:

Birds are classified as :

vertebrates that are warm bloodedhaving feathersreproducing by laying eggs

What kind of cells in the human eye perceive color?.

Answers

Answer:

Cone cells help detect colors.

Explanation:

Light travels into the eye to the retina located on the back of the eye. The retina is covered with millions of light sensitive cells called rods and cones. When these cells detect light, they send signals to the brain. Cone cells help detect colors.

What is another name for the "doctrine of nullification?"

Answers

Answer:

document of death

..........................

Answer:

abolishment, extinguishment

Chromosomes are found in the (i)__________ of every living cell. They can be seen by (ii)__________ a cell that is about to (iii)_________. For each thread-like chromosome there is another one exactly like it; therefore chromosomes occur in (iv)_________. Every body cell of a particular organism has the same (v)_________ of chromosomes. For example, all humans have (vi)_________ chromosomes in each body cell, made up of (vii)_______ pairs. The cells of the garden pea have 14 chromosomes made up of (viii)_____ pairs and those of the shrimp have 254 chromosomes, made up of (ix)_______ pairs. The two chromosomes belonging to a matching pair are called (x)______ chromosomes.

Answers

Answer:

Explanation:

i) nucleus

ii) mitosis

iii) split

iv) pairs

v) number

vi) 46

vii) 23

viii) 7

ix) 127

x) arm

Explain why identifying genes in bacterial genomes is less complex than identifying genes in the human genome.

Answers

It is because humans have much larger genomes
than bacteria

Which part of the nervous system is a gray, wrinkly organ made up of millions of neurons?.

Answers

The cerebral cortex, the largest part of the brain, is the wrinkly gray outer covering of the cerebrum.

Hope it helps!

The doctor advised Jim to take antibiotics for five days to treat a bacterial infection. After three days, Jim started feeling better, so he stopped taking the pills. A week later, Jim again showed symptoms of a bacterial infection.

What reason could explain the reappearance of the symptoms?

Answers

The bacteria was not killed off. In those three days symptoms had stop because the bacteria was dormant. They must have been activated because Jim provided a suitable environment for their growth

it pumps blood allowing the distribution of nutrients to all parts of the body ​​

Answers

PUMPS BLOOD

It pumps blood allowing the distribution of nutrients to all parts of the body

HEART

noun

The heart is the organ in circulatory system that pumps blood throughout the body by the help of the atriums and ventricles that supply oxygen, nutrients to the body and take out deoxygenated blood away to the lungs.

ATRIUMS AND VENTRICLES

The right atrium is the upper chamber of the heart that receives deoxygenated blood from the vena cava and pumps it into the right ventricle which sends the blood out to the lungs so that it become oxygenated.

Left ventricle the thickest of all the heart's chambers is responsible for the pumping of oxygenated blood to tissues all throughout the body.

What is a disadvantage of using radio waves to transmit information?



Multiple choice question.

A)
They do not permanently move matter.


B)
They can travel over long distances.


C)
They can be varied to hold information.


D)
They lose energy as they travel through mediums.

Answers

Answer:

D

Explanation:

because it has low frequency and cannot transmit data at a time

The answer is D hope this helps

how so different biogeographical zones affect agricultural practice?

Answers

Answer:

Biodiversity within a given ecosystem will be affected by a number of biogeographic factors: Larger habitats tend to promote biodiversity better than smaller habitats (more available niches = less competition) Ecology at the edges of ecosystems is different from central areas (e.g. more sunlight, more wind,

hope it helps

This is the correct sequence of events of the cardiac cycle.

Answers

Given what we know we can confirm that the correct sequence of events for the cardiac cycle is atrial systole, ventricular systole, atrial diastole and  ventricular diastole.

What is the cardiac cycle?

The cardiac cycle is what we define as the cycle in which the heart beats. This cycle begins with the systole of both the atria and the ventricles, in which they contract, first the atria, then the ventricle. This is to pump blood into the next part of the circulatory tract. This is followed by the diastole of each cavity, in which they fill with blood once more.

Therefore, we can confirm that the correct sequence of events for the cardiac cycle is atrial systole, ventricular systole, atrial diastole, and ventricular diastole.

To learn more about the heart visit:

https://brainly.com/question/16566688?referrer=searchResults

The correct sequence of events of the cardiac cycle is :

Ventricular filling --->  isovolumetric contraction ---> ventricular ejection --> isovolumetric relaxation

Meaning of cardiac cycle

Cardiac cycle is a measure of the heart performance start form a single beat to the beginning of the next heartbeat. it occurs in four phases which starts with the Ventricular filling phase and ends with the isovolumetric relaxation.

Hence we can conclude that the correct sequence of events of cardiac cycle is as listed above.

Learn more about cardiac cycle : https://brainly.com/question/1687100

#SPJ1

The myelin sheath is an important structure surrounding the axons that make up white matter in the nervous system. In the peripheral nervous system, this myelin sheath is formed by the __________.

Answers

Answer:

Schwann cells

Explanation:

in the Peripheral nervous system (PNS),myelin sheath is formed by the differentiation of the plasma membrane of Schwann cells.

Why do you think coastal cities tend to be cooler than inland cities?

Answers

Answer:

Distance from the sea – Oceans heat up and cool down much more slowly than land. This means that coastal locations tend to be cooler in summer and warmer in winter than places inland at the same latitude and altitude.

Explanation:

Hope This Helps

Have A Great Day

~Zero~

The eastern indigo snake often makes its home in abandoned gopher tortoise burrows. How would you characterize this relationship and its effect on each member

Answers

The relationship between the eastern indigo snake and gopher tortoise is commensalism. It is a type of +/0 interaction where one species is benefitted while the other is neither benefitted nor harmed.

What do you mean by Species interaction?

Species interaction may be defined as the population of one species interacting with the population of other species that live in the same locality for the purposes of various needs.

In this given example, the eastern indigo snake benefitted as it lives on the territory or locality of the abandoned gopher tortoise, while the gopher tortoise is neither benefitted nor harmed.

Therefore, the relationship between the eastern indigo snake and gopher tortoise is commensalism.

To learn more about Species interaction, refer to the link:

https://brainly.com/question/10438690

#SPJ1

When did the largest mass extinction in history occur?.

Answers

Answer:

Approximately about 250 million years ago

Explanation:

Haldane, a Soviet scientist, proposed in 1929 that a combination of carbon dioxide, water, and ammonia, when exposed to ultraviolet light, can form a variety of organic molecules. The conditions modeled by Haldane's experiment simulated the oceans of early Earth. Which hypothesis of the origin of life on primitive Earth is described by Haldane's experiment? A) panspermia hypothesis B) abiogenesis hypothesis C) primordial soup hypothesis D) hydrothermal vent hypothesis

Answers

Answer:

C) Primordial Soup

Explanation:

The idea of the primordial soup was originally proposed by Alexander Oparin and John Haldane as a possible explanation for the creation of life on our planet. The theory states that if energy is added to the gases that made up Earth's early atmosphere, the building blocks of life would be created.

Please help me! Major grade. Tysm!!

Answers

Answer:

C. Individuals with thicker fur had a survival advantage in the cold, allowing these individuals to reproduce moe often and create more offspring.

Explanation:

Natural selection means the process of changing the adapting the new environment. Based on the given data one can conclude that the individual with thicker fur had a survival advantage in the cold environment.

Why natural selection occurs?

Natural selection takes place due to 3 underlying reasons:

Reproduction

Heredity

Variation in fitness of organisms.

Due to these reasons, natural selection can leads to speciation.

As the individual are living in cold environment, they need to adapt the change in environment. So, individuals with thicker fur had a survival advantage in the cold environment, allowing these individuals to reproduce more often and create more offsprings.

Thus, option C is correct.

This trait is represented by a lowercase letter and hidden whenever a dominant allele is present.

Dominant
Or
Recessive

Answers

Answer:

Recessive

Explanation:

In genetics, a dominant allele for a trait is always represented by a capital letter, while a recessive allele is always represented by a lowercase letter.

Proteins of smaller molecular size may be reabsorbed from the glomerular filtrate by the specific transport process of __________.

Answers

Proteins of smaller molecular size may be reabsorbed from the glomerular filtrate by the specific transport process of endocytosis.

What do you mean by Glomerular filtrate?

The Glomerular filtrate may be defined as the liquid in the lumen of the Bowman's capsule of the nephron that has been purified from the capillaries of the glomerulus.  

The small molecular size proteins may be absorbed from the glomerular filtrate by receptor-mediated endocytosis. Then moved into the endosomes, and finally to the lysosomes for the degradation.

Therefore, proteins of smaller molecular size may be reabsorbed from the glomerular filtrate by the specific transport process of endocytosis.

To learn more about Nephron, refer to the link:

https://brainly.com/question/832244

#SPJ1

Genes located close together on the same chromosomes are referred to as ________ genes and generally ________.

Answers

Given what we know, we can confirm that Genes located close together on the same chromosomes are referred to as linked genes.

What are linked genes?

Linked genes have to do with inheritance. Linked genes are those that are very likely to be inherited together, though not a guarantee, due to their position in the chromosome being very close to one another. This also means that these genes do not separate during meiosis.

Therefore, we can confirm that Genes located close together on the same chromosomes are referred to as linked genes and do not separate during meiosis.

To learn more about genes visit:

https://brainly.com/question/8832859?referrer=searchResults

What is Ocean Exploration and Why is it Important?
Despite the fact that the ocean plays a role in everything from the air we breathe to daily weather and climate patterns, we know very little about our ocean. And, most of our knowledge of the ocean lis in shallower waters. Deeper waters remain a mystery even though we are relying more and more on these areas for food, energy, and other resources. Enter ocean exploration...wna t a k 0 to ppl

Answers

Answer:

We collect data and information needed to address both current and emerging science and management needs. Exploration helps to ensure that ocean resources are not just managed, but managed in a sustainable ways.   ;)

And if this was a question Hope This Helped

And Crtss Why Man Just Why Lol

Answer:

scientist explore the ocean to leanr about sea life

Explanation:

soooooooooooo........................

Other Questions
8 2m Find variable of mPlease show your work The regular price of a sofa, in dollars, is represented by . The sale price of the sofa is 30%off the regular price. Select alltrue statements.A. The sale price of the sofa can be represented by 0.3.B. The sale price of the sofa can be represented by 0.7.C. The sale price of the sofa can be represented by 0.3D. The dollar amount of the discount for the sale price can be represented by 0.3.E. The dollar amount of the discount for the sale price can be represented by 0.3. HelpIf the Universe was born at the Big Bang, what existed before then? .. whats 1 added up to 1? Does anyone know this stuff? Im so confused already I NEED HELP WITH THIS ASAP AND PLEASE What is the temperature, in degrees Fahrenheit, shown on the thermometer to the nearest integer? Enter your integer answer in the box. Dragon ball Z volume seven summary In the song, the heaviest baby weighed 10 pounds at birth. 10 pounds is the Three civil brawls, bred of an airy word, 75By thee, old Capulet, and Montague,Have thrice disturbd the quiet of our streets,And made Veronas ancient citizensCast by their grave beseeming ornaments,To wield old partisans, in hands as old, 80Cankerd with peace, to part your cankerd hate.Which best paraphrases why the prince is angry with Capulet and Montague?Their servants were left unattended on the street.They were supposed to come see him on this day.Their families have recently started three street fights.They were supposed to leave the town of Verona. To make a small vase, Elisa uses no more than 4.5 ounces of clay. To make a large vase, she uses at least 12 ounces of clay. Which compound inequality represents the number of ounces of clay, c, that Elisa uses to make one vase of either size?4.5 < c < 124.5 c 12c < 4.5 or c > 12c 4.5 or c 12 Show that 4(6m + 3) is equivalent to 4(m + 3 +5m) using algebraic properties. Explain which properties you used. (20 POINTS) Which of the following fashion innovations requires the use of solvents?size-adjustable clothesspray-on clothesshape-changing clothesdetachable clothes How is agarose gel electrophoresis used to separate mixtures of molecules?. Which image shows a plane slicing a double-napped cone to produce a hyperbola?Answer is D state the domain of f(x) = x How would I solve I need to know Asap and what is the answer Realiza una decima con dos estrofas Which group served in the U.S. Army and U.S. Navy during the Civil War, but were kept from having citizenship in the United States despite their service?Chinese AmericansCherokee Nationimmigrants from Europecivilian women in Texas Identify the slope and y-intercept of each of the following lines. Then graph each line.8y = -2x + 32