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Biology Ch: 1

Ch:1 presentation in correspondance with Miller and Levine Biology Core Edition
by

Zakry Akagi-Bustin

on 19 August 2013

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Transcript of Biology Ch: 1

The Science of Biology
Science!
2 things:
A way to think.
A body of knowledge
"Scientific Method"
Let Us Begin...
Science as a way of knowing...
The Core of Scientific Methodology
Reproduction & Development
But...
Science in Context
What is the relationship between science and society?
Sexual and asexual: However it happens, it has to happen!
Big Questions
Make Sure You Can
What role does science play in the study of life?

How do we find explanations for events in the natural world? (1.1)

How does the scientific community and society influence the process of science? (1.2)

What is biology? (1.3)
Explain the scientific method.

Understand the relationship within science and biology.

Identify different fields in biology.

Calculate length, mass, volume, and temperature using the metric system.

Follow proper safety techniques.
Science
is an organized way of gathering and analyzing evidence about the natural world.

Science deals
only
with the natural world.

Scientists collect and organize information in an orderly way, looking for patterns and connections among events.

Scientists propose explanations that are based on evidence, not belief. Then they test those explanations with more evidence.

One goal of science is to provide
natural explanations
for events in the natural world.

Observing and Questioning

Inferring and Hypothesizing

Designing controlled experiments

Collecting and Analyzing Data

Draw Conclusions
In science, the word
theory
applies to a well-tested explanation that unifies a broad range of observations and hypotheses and that enables scientists to make accurate predictions about new situations.
Studying Life
Living things are made up of basic units called cells, are based on a universal genetic code, obtain and use materials and energy, grow and develop, reproduce, respond to their environment, maintain a stable internal environment, and change over time (18-19).
Visual Summary
Living things are based on a universal genetic code.
DNA
Living things grow and develop.
A
stimulus
is a signal to which an organism responds.
All living things are made up of cells.

Despite their size, cells are complex and highly organized
All organisms need to keep their internal environment stable, even when external conditions change. This is called
homeostasis
.
Taken as a group, living things evolve
All organisms must take in materials and energy to grow, develop, and reproduce. The combination of chemical reactions through which an organism builds up or break down materials is called metabolism.
The study of biology revolves around several interlocking big ideas: The cellular basis of life; information and heredity; matter and energy; growth, development, and reproduction; homeostasis; evolution; structure and function; unity and diversity of life; interdependence in nature; and science as a way of knowing (20).
Fields of Biology
(22-23)
Full transcript