Which organisms were the first to perform photosynthesis on the earth

Answers

Answer 1

Answer:

cyanobacteria

Explanation:


Related Questions

Precipitation occurs when _____.​

Answers

Answer: occurs when a portion of the atmosphere becomes saturated with water vapor , so that the water condenses and "precipitates" or falls.

Hope this helps!

PLEASE HELP I NEED BEFORE 11:59

Answers

Answer:

1) Interphase.

2) Prophase I.

3) Metaphase I.

Which term describes the process in which plaques form inside blood vessels?
atherosclerosis
hypertension
arrhythmia
heart failure

Answers

Answer:

atherosclerosis

Explanation:

sometimes called hardening of the arteries

Answer:

I hope this helps.

Explanation:

Characteristics for forlorn

Answers

Answer:

desolate or dreary; unhappy or miserable, as in feeling, condition, or appearance.

lonely and sad; forsaken.

expressive of hopelessness; despairing: forlorn glances.

bereft; destitute: forlorn of comfort.

Explanation:

hope this helps

Answer:

Desolate or dreary, lonely and sad, forsaken, hopelessness, despairing, forlorn, and destitute.

Explanation:

What are the Importance of sphingomyelin​

Answers

Explanation:

sphingomyelin is a important part of cell creation.

This hormone usually collects exoplasmic leaflets from the cell and plants them near cell membrane.Which further helps in creating a strong border

Can you please help

Answers

Answer:

ggg

Explanation:

C. Only autotrophs carry out photosynthesis, while only heterotrophs carry out res
d. In autotrophs, photosynthesis requires oxygen, and respiration requires carbon
2. During osmosis, a cell with a 9% solute concentration is placed in a
beaker with a 2% solute concentration. What will happen to this cell over
CC
Solute
Wate
time?
a. The cell will both gain and lose equal amounts of water because
the cell is currently maintaining equilibrium.
b. The cell will lose water and shrink
C. The cell will gain water and expand
d. The cell will neither gain or lose water.
Beake
Solute
Watei
Structure of a Le
3. Refer to the picture of the “Structure of a Leaf"

Answers

Answer:

Did you mean: C. Only autotrophs carry out photosynthesis, while only heterotrophs carry out res d. In autotrophs, photosynthesis requires oxygen, and respiration requires carbon 2. During osmosis, a cell with a 9% solute concentration is placed in a beaker with a 2% solute concentration. What will happen to this cell over CC Solute Wate time? a. The cell will both gain and lose equal amounts of water because the cell is currently maintaining equilibrium. b. The cell will lose water and shrink C. The cell will gain water and expand d. The cell will neither gain or lose water. Break Solute Watei Structure of a Le 3. Refer to the picture of the “Structure of a Leaf"

Explanation:

The reproductive system in both males and females are controlled and regulated by the interaction of hormones from the hypothalamus and pituitary glands with hormones from the reproductive organs. How do these hormones affect the development of male and female reproductive systems?​

Answers

I have attached the screenshot since it contained some rude words!!~

What is the mRNA sequence for the template strand of DNA if it has the sequence 3’ TACAAACTAGAA 5’
a. 5’ ATGTTTGATCTT 3’
b. 5’ AUGUUUGAUCUU 3’
c. 5’ TACAAACTAGAA 3’
d. 5’ UACAAACUAGAA 3’

Answers

B

Remember,
Adenine goes with Thymine, but in RNA thymine “turns” into uracil

What cell organelle is involved with the formation of proteins, based on the information the mRNA brings out of the nucleus?
A. Mitochondria
B. Cytoplasm
C. Golgi body
D. Ribosome

Answers

Ribosome
Hope this helps

Answer: D. Ribosome

Explanation:

Ribosomes receive information from the cell nucleus and construction materials from the cytoplasm. Ribosomes translate information encoded in messenger ribonucleic acid (mRNA).

A company wants to be sustainable and carbon neutral. It invests in technologies that release less greenhouse gases. Which strategy did the company follow to become carbon neutral?

They purchased carbon offsets.
They purchased carbon credits.
They sold carbon credits.
They sold carbon offsets.

Answers

The strategy that the company followed to become carbon neutral is They bought carbon offsets.

What does it mean to offset carbon emissions?

Carbon offsetting is an important measure to promote the reduction of the emission of harmful gases to the environment around the world. In other words, it is a way to stimulate sustainable development and joint actions to prevent global warming.

With this information we can conclude that the strategy that the company followed to become carbon neutral is They bought carbon offsets.

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To ripen an unripe peach you can place it in a brown paper bag to trap the gaseous hormone___________________ and ripen the fruit.

Answers

Answer:

Ethylene

Explanation:

When a peach is trapped in a brown paper bag, it gives off ethylene gas, which helps the fruit ripen faster.

What is a null hypothesis?

A. a hypothesis stating that there is no
relationship between the independent and
dependent variable
B. a hypothesis stating that there is a positive
correlation between data sets
C. a hypothesis stating that there is a negative
relationship between the data and the expected
values
D. a hypothesis that is rewritten from the
original after an experiment is ran

( acellus academy )

Answers

Answer:

A

Explanation:

a hypothesis stating that there is no relationship between the independent and dependent variable.

(ANSWER)

Why is the making of metamorphic rock a chemical change? Explain your answer no using 9009le​

Answers

Answer:

The process of creating a metamorphic rock is a chemical change because we are changing one rock into a whole new different type of rock.

Explanation:

Remember a chemical change is changing the core basis of what something is. Common example of a chemical change is burning wood, when you burn wood that wood turns into ash, which means it's no longer wood.

In this case metamorphic rocks are usually formed by intense heat and pressure, which converts the rock into a different type of rock.

To conclude, metamorphic rocks are formed by intense heat and pressure, which converts a rock into a different rock. "The process of creating a metamorphic rock is a chemical change because we are changing one rock into a whole new different type of rock."

Hope this helps.

The process
Of the metal rock

What are some ways an area can undergo reclamation after being mined?

Answers

Answer:

Refilled/reshaped w/vegetation planted; filled w/water to become a lake; turned into landfill; left open as home for bats or sealed off if underground.

what is non loving organization​

Answers

Answer:

the ecosystem is the lowest level of organization that is considered to include nonliving (abiotic) factors. So that would mean that ecosystems, biomes, and the biosphere include abiotic factors.

Explanation:

What are zymogens? Give an examples​

Answers

What are zymogens? Give an examples

Inactive precursor of enzymes are known as zymogens. They are also known as proenzyme.

For example:-

Pepsinogen is the precursor of pepsin. Pepsinogen is inactive until it is released by chief cells into HCl. The latter partially activates pepsinogen.

Klein first became fascinated with crows at what event?
1 His wedding
2 An outdoor concert
3 A marathon
4 A cocktail party

Answers

Answer:

the answer is 4.) a cocktail party

What is different between your own kidney and a donated kidney?

CAN SOMEONE PIEASE ANSWER THIS

Answers

Answer:

that its not the kidney you were born with

Explanation:

no explanation

Answer:

Your kidney has different DNA than if you got one from a donor, if that's what you mean

Explanation:

the niche of a plant includes all of the following except it’s

Answers

Answer:

You didn't provide any options but something would be the place the plant is in.

Explanation:

The niche of a plant is the role it plays, the place where the plant is does not determine it's role as the plant will not change it's role.

An ecological niche includes all of the options listed except for "the place where the species lives." The correct option is A.

The ecological niche refers to the role and position of a species within its ecosystem, including the interactions with its biotic and abiotic environment. It involves factors like the species' interactions with other organisms, its resource requirements, and its response to environmental conditions.

The other options listed (B, C, D, and E) are all components of an ecological niche:

B) How much water the species needs: This relates to the species' water requirements and adaptations to access and utilize water resources in its habitat.

C) How much sunlight the species needs: This relates to the species' light requirements and adaptations to varying light conditions in its environment.

D) How much space the species needs: This refers to the spatial requirements of the species, including its territory, home range, or habitat size necessary for survival and reproduction.

E) Temperatures the species can tolerate: This relates to the species' thermal preferences and adaptations to specific temperature ranges in its habitat.

Overall, the ecological niche represents the full range of interactions and responses of a species to its environment, encompassing its resource use, environmental tolerances, and interactions with other organisms.

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The complete question is :

An ecological niche includes all of the following except

A)the place where the species lives

B)how much water the species needs

C)how much sunlight the species needs

D)how much space the species needs

E)temperatures the species can tolerate

What is Conservation tillage? What is the benefit to conservation tillage?

Answers

Answer:

The benefits of conservation tillage are reducing soil erosion, conserving soil moisture, avoiding fluctuations of soil temperature in the arable soil depth, and reducing the costs of soil preparation.

Come on anyone help please I need this to be done by tomorrow. please ​

Answers

Answer:

1400

Explanation:

Not sure though

subtract

urine=kidneys 1500

sweat= skin. 100

Define the term Fuse

Nira here :)

Answer ASAP pls.....​

Answers

(of an electrical appliance) stop working when a fuse melts.

When a human steps out into the cold air, the body begins to shiver in order to keep its temperature at 98.6 degrees Fahrenheit.

Answers

Answer:

All living things maintain an internal balance.

Please can you give me a brainiest?

What is TRUE about using bullet comparisons to solve crimes?

A. A Chinese detective did this in 1248.
B. Francis Galton did this in 1892.
C. A Scotland Yard investigator did this in the 1830s.
D. Mathieu Orfila said that this would never be accurate.

Answers

Answer:

C. A Scotland Yard investigator did this in the 1830s.

Reason:

In the 1830s, a Scotland Yard detective was among the first to utilize bullet comparisons to capture a culprit.

A Scotland Yard investigator did this in the 1830s. Therefore, option C is correct.

What are bullets?

A bullet is a kinetic projectile that is fired from a gun barrel as part of firearm ammunition. The majority of handgun bullets are formed of a lead-antimony alloy contained in a soft brass or copper-plated soft steel jacket, although they can also be made of copper, lead, steel, polymer, rubber, and even wax.

A softer lead core is enclosed in a tougher jacket made of steel or cupronickel in rifle and machine gun bullets. Bullets that penetrate armor have an inner core made of hardened steel.

Thus, a Scotland-yard investigator did this in the 1830s. This is true about using bullet comparison to solve crimes. Therefore, option C is correct.

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Which of the following is not a sustainable fishing solution?

Monitor fishing activities to in illegal areas.
Limit the number of fish that can be caught per day.
Encouraging aquaponics to protect wild fish populations.
Restrict fishing in zones where populations are recovering.

F.L.V.S

Answers

Monitoring fishing activities to in illegal areas. is not a sustainable fishing solution.

What is Fishing?

Fishing refers to technique or method use to catch fish from water either for consumption or for processing or for selling .

The technique use for catching fish are,hand gathering, spearing, netting, angling, trapping and so on.

Fishing solution refer things put in place to reduce cost of fish and ensuring availability of sustainable fishing in livelihoods.

Therefore, Monitoring fishing activities to in illegal areas. is not a sustainable fishing solution.

Learn more about Fishing from the link below.

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Answer:

Encouraging aquaponics to protect wild fish populations.

Explanation:

I took the exam and got it right.

How much oil was removed?

Answers

Answer:

40ml

Explanation:

90-50=40

Describe eggs laid in water.

Answers

Answer:

Eggs laid in water? Wet eggs? im not sure i understand? like frog eggs?

Explanation:

if its frog eggs then small and slimy and kind of squishy.

Summarize how Dr. Temple Grandin changed the face of animal husbandry.
need written response

Answers

Answer:

Dr. Temple Grandin changed the face of animal husbandry by creating a new, humane, and efficient way of processing meat. There are even vet clinics inspired by her to be 100% discomfort-free.

Explanation:

Hope this helps!

Dr. Temple Grandin, an American professor of animal science and a prominent advocate for animal welfare, has had a transformative impact on animal husbandry.

Despite facing challenges with autism, she leveraged her unique perspective and deep empathy for animals to revolutionize the way livestock is handled and treated in the agricultural industry.

Dr. Grandin is renowned for her innovative designs of livestock handling facilities that prioritize the welfare of animals. By understanding the sensory sensitivities of animals, she created more humane systems that reduce stress and fear during handling and transportation. Her designs include curved chutes and non-slip flooring, which encourage a calmer movement of animals, minimizing injuries and distress.

Dr. Temple Grandin's contributions to animal husbandry have been instrumental in promoting compassionate practices, reducing animal suffering, and fostering a greater understanding of the emotional needs of livestock. Her groundbreaking work continues to inspire positive change and serves as a testament to the potential for empathy and innovation to transform industries for the betterment of both animals and humans.

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What is a reflex?

Behavior that does not involve What is a reflex?

Behavior that does not involve the forebrain, or "higher" centers of an animal's
brain.

Similar nerve cells grouped together in a nervous system.

Answers

as a noun one response to the entire physiological process activating such a movement free any automatic I’m thinking often habitual behavior or response or reflection or image of an object as exhibited by a mirror or the like
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