Biology 111 UNCG, test 1 questions and answers 2024

after observing that fish live in clean water but not in polluted water, researchers state that polluted water kills fish. this statement is an example of what part of the scientific method? - hypothesis scientists group species on an evolutionary tree that is based on - fossil record, physical structures, genomic sequencing according to the scientific evidence, earth is approximately how old? - 4-5 billion years old what is the correct oder of levels in which life is studied, from least to most complex? - cell, tissue, organ, organism, population, community list steps of the hypothetico-deductive method - making an observation, forming a hypothesis, making a prediction, and testing a prediction the basic structural and physiological unit of all living organisms is the - cell what is the major distinction between a prokaryotic and a eukaryotic cell? - a prokaryotic cell does not have a membrane bound nucleus. which of the following are found in prokaryotic cells: mitochondria, cholorplasts, nuclear membrane, ribosomes, endoplasmic reticulum? - ribosomes free ribosomes - free ribosomes are in the cytoplasm, and they produce proteins in the cyctosol attached ribosomes - found attached to the endoplasmic reticulum, and produce proteins that are inserted into the endoplasmic reticulum. most plant and animal cells are - large enough to be seen with a light microscope the surface area to volume ratio of a cell explains - why cells are so small what are the components of the endomembrane system? - rough e.r, smooth e.r, golgi apparatus, lysosomes one difference between plant and animal cells is that - only animal cells contain centrioles which type of organelle is found in plants but not in animals? - plastids cilia are - shorter and more numerous then flagella