It is likely that the first organisms on Earth were heterotrophs that obtained energy through animno acids and sugars that formed spotaneously in the early atmosphere. True O False

Q: Whyaresometypesofplasticthatcanberecycled almost never recycled

A: Recycling is the method of gathering and recycling items that would otherwise be discarded as waste…

Q: What types of organisms can produce their own food required to survive? A. Organisms that can do…

A: An organism is any individual that embodies the properties of life. It is a term for "life form".…

Q: The Miller-Urey experiment simulated compounds present in the atmosphere of early Earth, lightning,…

A: Miller Use four compounds or particle in his experiment these are water, methane, ammonia and…

Q: The oxygen revolution permanently changed Earth’s environment and dramatically impacted the…

A: We are answering first 3 questions. For rest of questions pls repost.     Oxygen evolution is a…

Q: What is the difference scientist saw in the foraminifera found in rock layer above (after) and below…

A: K-T extinction is a mass extinction event that eliminated a humongous percentage of the species of…

Q: What was a significant result of the Mars Phoenix project?a. culturing bacteriab. verifying waterc.…

A: Mars, which is a planet of our solar system is believed to have conductive conditions for life…

Q: How do organisms form carbon films? O Organisms turn into rock. Residue is left on rocks when…

A: A thin-film coating that is composed predominantly of the chemical element called carbon is termed…

Q: Which of the following accurately describes the Hadeon Eon? Earth during the Hadeon Eon closely…

A: An eon is a geological time unit that represents a span of a billion years or more in the Earth's…

Q: Describe what you might eat for a typical meal if humans, like cyanobacteria, could fix nitrogen.

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Which of the following refers to the type of interaction between two prokaryofic populations in…

A: B. Commensalism is correct answer.

Q: Why does the burning of fossils fuel have such a drastic impact on the atmospheric carbon reservoir

A: Burning fossil fuels produces a variety of air pollutants that are hazardous to the atmosphere and…

Q: Organic monomers joined to form organic polymers is the stage number evolutionary biologists. of the…

A: Origin of life: Stanley L. Muller and Harold C. Urey first conducted the experiment to show origin…

Q: Which statement describes how heterotrophs depend on autotrophs for survival? Autotrophs supply…

A: Option B is correct.

Q: The first appearance of free oxygen in the atmospherelikely triggered a massive wave of extinctions…

A: An ecosystem is a large community of living organisms in a specific area in which the biotic and…

Q: Investigate and describe how prokaryotic cells photosynthesize without having chloroplasts.

A: This answer is for the first part of the question. In order to get the answer to the second part of…

Q: Life is found almost everywhere on Earth, but can you explain why it is not distributed evenly

A: The planet Earth on which life exists is quite unique because it is the only planet having the…

Q: : (biogenesis)- proved that life came from cells found in dust particles

A: the theory of spontaneous generation :

Q: Which explanation describes why Archaea are placed into a different domain from Bacteria? O…

A: This Archaea domain contains simple called organisms. Archaea possess features that are similar to…

Q: compare and contrast the Oparin Haldane and Iron-Sulfur hypotheses

A: From atom to complex organic compound formation is chemical evolution. From complex organic…

Q: What did the biology experiments on the Viking landers discover? A. Although Mars's soil is…

A: The Viking Program consisted of two American space probes, Viking 1 and Viking 2, that were sent to…

Q: Earth’s biota were believed to be relative simple, slow-metabolizing life. During what era is this?

A: There is  a significant change in the earth's atmosphere and the evolution of animals has made it…

Q: why do living thing need carbon

A: Carbon is an essential element that is extremely essential for sustenance of life on Earth. It is…

Q: Use the information and diagram to answer the following question. Arrows A through G represent…

A: The picture is showing the nitrogen cycle. It is defined as the conversion of nitrogen in cyclic…

Q: Which type of organism does NOT photosynthesize?   a. Heterotrophs   b. Producers…

A: The process of conversion of light energy into chemical energy carried out by plants and other…

Q: How can we use the structures that are involved with photosynthesis and cellular respiration to…

A: Photosynthesis is the type of cellular process in which the autotrophs, particularly the plants can…

Q: Explain how the origin of eukaryotic cells involved a unionbetween bacterial and archaeal cells.

A: Answer- The eukaryotic cells are evolved from the prokaryotes.

Q: what simple organic molecules were likely the precursors of life? a. water and proteins b. amino…

A: The two important aspects of life are its origin and evolution. The branch of life science, which…

Q: What are the ancestors of the chloroplasts in all plant cells?   Ancient mitochondria   Ancient…

A: Endosymbiotic theory is a theory that explains us how the eukaryotic cells are originated from the…

Q: Organisms that have chloroplasts include blank and blank

A: Plastid are found in all plant cell and in euglenoids. based on the type of pigment plastic can be…

Q: Compare and contrast the physical and chemical conditionson Earth at the time life first arose with…

A: Earth is a planet which supports numerous life system and abiotic factors. Earth formed 4.5 billion…

Q: If prokaryotes were to disappear suddenly, which part of the nitrogen cycle would shut down? Select…

A: It is a biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it…

Q: Why CNG is coming in use these days rather than petrol and diesel. Give scientific reason for it.

A: Soon after the invention of motor vehicles, it opened ways for faster transport and commutation.…

Q: In what order did events occur that led to life on Earth? (1) appearance of aerobic organisms, (2)…

A: C is possible right answer

Q: Abacteria isolated from Yellowstone National Park is found to use the chemical methane as a food…

A: Chemotrophs are organisms whose energy source is obtained by the oxidation of inorganic…

Q: Which of the following was NOT demonstrated by Louis Pasteur? Unpleasant tasting wine can be the…

A: -Cells arise from the preexisting cells; it's the part of the theory and was proposed by Rudolph…

Q: Lichens are formed by an association between: fungi and plants O algae and plants O protists and…

A: Introduction Ecology:- It is the study of the relationship between living organisms and their…

Q: 46) What phase is indicated by "A""? 47) What structure is indicated by "B"? A) In which phase are…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: The elements that present in Protoplasm Carbon, Hydrogen Carbon, Hydrogen, Nitrogen, and Oxygen…

A: The living organisms contain cells that are the smallest structural and functional unit of the body.…

Q: In ancient times, earth atmosphere contain no oxygen. Whatvform of respiration do think was used by…

A: Respiration is of two types aerobic respiration and anaerobic respiration.

Q: Cyanobacteria was responsible for the increase in oxygen levels billions of years ago. They play a…

A: Answer : The Cyanobacteria were quite simple organism however carried out a crucial role in…

Q: It is not so difficult to imagine what it means to feedon the organic molecules that living things…

A: Irresepective of whether its the sunlight or the inorganic chemicals, the simple meaning of 'to…

Q: What genus of bacteria transforms ammonia to nitrite in the Nitrogen cycle?   A. Nitrobacter   B.…

A: Nitrogen cycle is one of the most important biogeochemical cycles, through this cycle Nitrogen is…

Q: Which would be necessary to keep the reactions of life going, if enzymes were not present? 1.…

A: Enzymes act as catalyst in all the life reactions. In this question, it is asked what would be…

Q: Oceans were a good environment for early organisms because tney O shielded organisms from…

A: According to guidelines we have to answer the first question only so please kindly post the…

Q: Cyanobacteria are O both a and b O heterotrophic phototrophic

A: Cyanobacteria live in the water and are the unicellular prokaryotes that are observed to be growing…

Q: Autotrophs are bacteria that obtain their energy through a-The Sun b-Dead organic material…

A: Autotrophs are able to make their own food from raw materials and energy. Heterotrophs are known as…