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Unit 3 Exam Review

Science Unit 3 Exam Review

QuestionAnswer
Which best describes the mitochondria of a cell? It is where cellular respiration occurs
Which 2 single-celled organisms have chloroplasts? Euglena and volvox
Which structures work together in the human body to form a tissue? Specialized cells
Which is the lowest level of organization in a multicellular organism? Organ
Which best describes how plants’ cell structure allows them to get food without eating? Food (glucose) is produced within the chloroplast of the cell.
Which organelle could best be compared to a closet in a house? vacuole
A scientist is observing a freshwater sample under a light microscope. The sample contains a moving cell that has small, hairlike projections. Which type of cell is the scientist most likely observing? Animal
Which statement best compares how a paramecium and an amoeba obtain food? The paramecium obtains food through an oral groove, while the amoeba uses pseudopods
Which is a heterotrophic protist? Amoeba, because it engulfs food
Which single-celled organism forms a colony with other organisms of the same species? Volvox
Which is found in plant cells, but not in animal cells? Chloroplast
Why are cell walls absent in animal cells, but necessary for the survival of plant cells? Animal cells need to be flexible, while plant cells need to be rigid and firm to
Which statement best describes the function of a vacuole? It stores water and other materials
Why are chloroplasts found in plant cells, but missing in animal cells? Plants use chloroplasts to make their own food from sunlight, an ability animals do not possess.
Which is the simplest level of organization? Lung cell
Created by: spencer.twiford
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