In this section, you will learn how biologists use scientific research to study the natural world and make important discoveries. Think of any important discoveries in the field of biology that you
already know about. Give as many examples as you can on the lines below.

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

To store strawberries in sugar syrup, lucy placed them in a jar and covered them with sugar but did not add any water. do you think syrup will be formed? justify. a. no. since water is not added, there cannot be any syrup formation. b. no. the higher concentration of sugar on the outside will cause the water from the sugar to diffuse in the strawberry cells causing them to swell without formation of any syrup. c. yes. the higher concentration of sugar on the outside will cause the water from the strawberry to diffuse out resulting in syrup formation. d. yes. the sugar will melt over time and form the syrup.

Which of the following structural adaptations an organism obtain food? a. dandelion seeds that can float in the wind b. the bright-colored skin of a poison dart frog c. the long neck of a giraffe d. the cardinal's bright red coloring