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Questions in biology

[Terjawab] 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

[Terjawab] 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

[Terjawab] 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

[Terjawab] 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

[Terjawab] 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?

[Terjawab] 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 |

[Terjawab] 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

[Terjawab] Which of the following terms means the percentage of total blood volume composed of red blood cells? Select one: A. Hematocrit B. Hemoglobin C. Complete blood count D. Partial prothrombin E. Viscosity

[Terjawab] Which of the following is the most likely to result in a change in the phenotype of an organism? A. Overproduction of the enzyme responsible for DNA synthesis B. Loss of the organism's ribosomes C. Alterations in the DNA sequences in the organism's chromosomes D. Inhibition of the enzyme responsible for digesting food molecules

[Terjawab] Find out how the following animals get their food and fill in the table. | Animal | Food Source | | --------- | ----------- | | Giraffe | | | Elephant | | | Frog | | | Butterfly | | | Leech | | | Anaconda | | | Scorpion | | | Whale | |