BIOLOGY



BIOLOGY NOTES NAME:

SCIENTIFIC METHODS PART 1 DAY / MOD:

PAGES 3-11 DATE:

Standard:

____ Identify what is science, what clearly is not science, and what superficially resembles science

Essential Question:

1.

I. What is Biology?

Biology = study of ______________

• For an organism to be considered ___________, it must possess certain ________________.

A. Characteristics of Living Things:

1. All living things are made up of _________

• Cell = a collection of living __________ enclosed by a barrier that separates the cell from its _______________

• A cell is the smallest unit of ____________ considered to be __________

❖ Creatures with only one cell are called _____________ while creatures with more than one cell are called _______________

2. All living things ______________

• Sexual Reproduction = creating a new _____________ from cells of _____ different _____________

e.g.

• Asexual Reproduction = creating a new ______________ from only _____ parent

e.g.

3. All living things are based on a _____________ code ( _______ )

• Organisms created by ___________ reproduction are identical to the single parent. They have the same _______ or genetic code.

• Organisms created by _____________ reproduction are similar to ________ parents because the offspring have DNA from each parent.

4. All living things _________ and __________

• Unicellular organisms typically only ________ in size whereas multi-cellular organisms grow and ___________

❖ Differentiation = the process of development where a single cell will _____________ and the resulting groups of cells will take on different _______ in the body.

e.g.

5. All living things need sources of ____________

• Energy is needed to complete many of life’s _______________

e.g.

What is the ultimate source of energy for life on Earth? _________

• Metabolism = the series of ____________ to build or break materials in order to obtain _____________ necessary for life _____________

e.g.

6. All living things __________ to their environment

• Stimulus = any signal to which an organism can respond

❖ Stimuli can be either external or ____________

e.g.

7. All livings things maintain ___________________

• Homeostasis = the ability of an organism to keep a __________ internal environment

e.g.

8. As a group, living things __________

• Evolution = the change of an organism over ______ in order to adapt to a _____________ environment and __________

e.g.

B. Hierarchy of Biology

Biologists can group systems and organisms to study or ____________ progressively from the

simple to the most ______________.

1. Subatomic Particles = ____________, neutrons, and electrons that make up atoms

2. Atom = the basic unit of ______________ e.g.

3. Molecule = a group of atoms that represents the smallest unit of chemical ________________ e.g.

4. Organelle = groups of molecules that perform the same _______________ and make up the different parts of a ___________ e.g.

5. Cell = smallest living piece of ____________ e.g.

6. Tissues = groups of similar cells that perform the same ____________ e.g.

7. Organ = groups of _________ that perform similar functions e.g.

8. Organ System = groups of __________ that perform similar functions e.g.

9. Organism = an individual living ________ that has multiple and interacting organ systems e.g.

10. Population = groups of ______________ that live in the same ________ e.g.

11. Community = different _____________ that live in a defined area e.g.

12. Ecosystem = the community plus all the ______________ parts (climate) e.g.

13. Biosphere = all ecosystems on _____________

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STUDENT SYNTHESIS

To demonstrate knowledge of the information contained within these notes, within the space below EITHER 1. Create two higher level test questions and answers based on the information OR 2. Write a comprehensive one-sentence summary of the information

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