2. Why is natural selection necessary for species to survive? Give one example to support your answer. 3. Which bacteria is a photosynthetic autotroph? Why?

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Q: When did photosynthetic organisms first appeared? O From the very beginning of life, they are some…

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Q: 5 Kingdoms of Organisms Kingdom: Kingdom: 1.prokaryotic/eukaryotic 1.prokaryotic/eukaryotic…

A: All the organisms are classified in the five kingdom: monera, protista, fungi, plantae, animalia.

Q: Plants are also important from a biological perspective. What molecules do plants produce that help…

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Q: 7. Oxygenic photosynthesis, which generates oxygen gas in the presence of sunlight, is used by all…

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Q: 33. Increase in the population of photosynthetic bacteria using the oxygen-releasing pathway led to…

A: Answer---     Correct option is (e)

Q: 5)Which of the following observations constitutes evidence that mitochondria evolved before…

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Q: Why are the rates of photosynthesis and cellular respiration dependent upon temperature?

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Q: Place the five metabolic types in the probable order of their evolution: oxygenic photosynthesis,…

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Q: Evolution led to the formation of RuBisCO that is used by C3 plants to fix CO2. Why do you think…

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Q: ystem (Academic) In which of the following do you expect to have highest emergent properties? Select…

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Q: What is Abiogenesis?

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Q: Chloroplasts and mitochondria both possess internal membranes. Which of the following is true…

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Q: Why was the evolution of photosynthesizing bacteria important for the evolution of large,…

A: Cyanobacteria, which are capable of photosynthesis, are the general name for photosynthesizing…

Q: Suppose that T. W. Engelmann (1882) found that the pigments that drive photosynthesis in algae…

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Q: The host eukaryotic cell may try to travel to places in the ocean where there is a lot of decay.

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Q: 7. The figure shows the effect of light on the rate of photosynthesis Based or the graph, answer the…

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Q: 4. Define heterotrophs. How do they obtain energy? 5. Define autotrophs. How do they obtain energy?

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Q: 16. Most bacteria are heterotrophs. What is a heterotroph? O Heterotrophs produce their food from…

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Q: What evidences supported spontaneous generation? 2. How was spontaneous generation disproved?

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Q: 14. Which of the following trees of life (showing Archaea (A), Bacteria (B), and Eukarya (E)) best…

A: Option C is not right.  In 3 domain classification  -  Archaebacteria were first prokaryotes…

Q: Determine whether each of the following traits are the result of convergent evolution?

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Q: What fundamental traits did Linnaeus use to separate plants from animals? 2. Why did scientists…

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Q: Choose all that apply. Consider what we now know about the tree of life. Which of the following…

A: Archaea and eukaryotes together form a monophyletic clade.True. Archaea and eukaryotes share a…

Q: m or carbohydrate. They and all other organisms use energy stored in sugars to power various…

A: Introduction: The living organism that prepare their food by own are known as autotrophs. They are…

Q: Place the five metabolic types in the probable order of their evolution: oxygenic photosynthesis,…

A: Accumulation of different changes due to different environmental conditions in the organisms gave…

Q: Algae are single-celled eukaryotic organisms that perform photosynthesis. Some algae are known as…

A: statement 1 is most reasonable Algae are single cellular Eukaryotic Photosynthetic organism having…

Q: Some key words are given below, looking into these words, write a convincing scientific explanation…

A: i. Photosynthetic pigments :- Photosynthetic pigments are molecule that absorbs light and has a…

Q: Based on what geologists have learned about Earth history, levels of oxygen in Earth's ancient…

A: Glycolysis is the process in which glucose is converted into pyruvate by a 10 step process and every…

Q: Q2: Which of the following statements is true about the protein Cytochrome C? A. Its secondary…

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Q: What is the defining feature of autotrophs (that distinguishes them from heterotrophs)? O That they…

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Q: You want to replicate Francesco Redi’s “rotting meat” experiment in disproving spontaneous…

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Q: Green and Purple Bacteria (a)  utilize non-cyclic photophosphorylation     (b) do not produce…

A: Among the given four statements two of them are true.