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Which group of organisms is believed to be among the earliest to evolve on Earth? A)...
The group of organisms humans belong to is relatively small. All living organisms share a common ancestor, as evidenced by the commonality of DNA and ribosomes. Humans are not a unique form of life. Our ability to learn about the natural world does provide us an advantage over many species, especially if we use this advantage wisely. Antibiotics are prevalent in bacteria and fungi, whereas other drugs are derived from plants. Humans are not the most common species on Earth....
Which of the following extremophiles might researchers most likely use as a model for the earliest organisms on Earth? A) a bacterium found on another planet or moon B) an archaean capable of surviving in the polar ice caps C) an anaerobic archaean species D) a bacterium that thrives in a highly acidic environment Answer: A please explain the reason
1. Among the following organisms, which organisms have sex chromosomes (XY)? A. lizard and alligator B. tortoise and turtle C. anemone fish D. flies and humans E. all of the above
1. Among the following organisms, which organisms have sex chromosomes (XY)? A. lizard and alligator B. tortoise and turtle C. anemone fish D. flies and humans E. all of the above 2. Among the following genes, which gene detects the ratio of autosomes to X chromosomes in flies? A. Sry B. Sxl C. Tra D. Dsx-M E. Dsx-F (Q3-6) The following are the various karyotypes we can observe among the organisms with the XY sex determination system. a. XYb. XXc....
Which of the following is believed to be the most common mental illness among the elderly? B. DepressionA. Anxiety C. Bipolar disorder D. Obsessive-compulsive disorder
Walking with Monsters Life Before Dinosaurs – Ep. 1 At 3:10 – What group is that? Why would you expect to see them at this point in the movie? Cnidaria, 530 million years ago the cambrian explosion. What is the first Super Predator on Earth? Why are they so successful? Anomalocaris, They are successful because of their eyes At 4:30 – What are the tube / vase looking objects in the background? Sponges, filter feeders. At 4:46 – What is...
8. Consider how the heavy elements that make up planets like the earth are formed. Which of the following is most likely to be true about the origin of Earth? Earth arose around a very ancient star (our sun) that had had plenty of time to synthesize heavy elements. Earth arose in a region of our galaxy where few earlier stars formed so that the hydrogen fuel for our sun was abundant. Earth arose in a region that was very...
Most of the organisms in which group are photosynthetic and multicellular. (Pick only one). Animalia Plantae Arachaea Protista Fungi QUESTION 6 Most of the organisms in which group are photosynthetic and multicellular. Animalia Plantae Arachaea Protista Fungi
1) Which of the following is correct? A) The earliest forms of cellular life were unicellular. celled organisms cannot carry out all the functions of life by themseh C) Tissues are composed of specialized organs DI Most cells of multicellular organisms such as plants are not highly specialized E) The organs of flowering plants include roots, stems, and leaves ar organisms such as plants are not highly specialized 2) Which of the following is not an area of active cell...
e Protons and electrons at is a localized group of organisms that belong to the same species? 43. Wh a. Bio system b. Community c. Population d. Ecosystem e. Organ system 44. Which of these is an example of an organelle? a. Chloroplast c. Epidermis e. Maple leaf b. Muscle d. Intesttine 45. As a results of photosynthesis, plants release into the atmosphere a. Methane b. Carbon dioxide c. Water d. Minerals e. Oxygen