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Questions in biology

[Done] How can evidence from an experiment be explained in relationship to the hypothesis? A. as a prediction B. as a question C. as an inference D. as a conclusion

[Done] Explain why different parts of a plant need water. Roots need water Leaves need water Stem needs water Flowers need water Word bank: Support, anchor in the ground, make food, wilt.

[Done] Which of the following is not an example of a codon? A. TTG B. ATC C. UCG D. ACGU

[Done] Which of the following pairs of organisms is most closely related? A. Cat and amoeba B. Kangaroo and salmon C. Cat and kangaroo D. Lizard and sponge

[Done] Avi's salivary glands do not secrete amylase. As a result of his condition, his mouth cannot _________blank. Multiple Choice: - begin fat digestion - absorb alcohol - begin starch digestion - lubricate dry foods

[Done] 5. Cellulose, starch and glycogen are polysaccharides with different properties due to their type of A. bonding (glycosidic bond) B. functions C. side chains D. monosaccharide subunits

[Done] Can canning food prevent its spoilage? Why? (i) because microbes cannot enter in the can (ii) because food will dry. (iii) because air is absent inside the can (iv) there is brine inside the can

[Done] Planting seeds is a better idea than throwing them away. When seeds are thrown away, they cannot grow into new plants. Planting them helps the environment and keeps it healthy. So, what will you do the next time you eat a fruit with seeds?

[Done] 1. Frogs have ______ to move in water. 2. The bodies of snail and tortoise are covered with a ______. 3. A frog is an ______. 4. Fish have ______ which help them to swim. 5. The forelimbs of birds are modified to ______. D. Match the columns: | Column A | Column B | |---|---| | 1. Lungs | (a) duck, frog | | 2. Moist skin | (b) penguin, turtle | | 3. Paddles | (c) frog, earthworm | | 4. Webbed feet | (d) arctic tern, salmon | | 5. Migration | (e) mammals, birds |

[Done] Identify an independent variable in this experiment. The source of the periwinkles (northern or southern sites in the Gulf of Maine) The shell thickness of the periwinkles The shell thickness of the crabs The number of periwinkles killed by crabs