Chapter 1: Biology and the Tree of Life- pt.1

what is biology?

Study of living organisms

what is an organism?

A living entity made of one or more cells

which is not a characteristic of life?

rusting

what does “information” mean in biology?

genetic info and environmental response

what is the main goal of a living organism?

replication (reproduction)

what is a scientific theory?

best explanation supported by evidence

what are two components of a scientific theory?

pattern and process

what are the three unifying theories in biology?

cell theory, evolution, chromosome theory

inductive reasoning is based on:

observation/experiments

deductive reasoning uses:

if/ then statements

cell theory states:

all organisms are made of cells and cells come from preexisting cells

who first used the term “cell” in 1665?

Robert Hooke

who first observed microorganisms with a 300x microscope?

Anton van Leeuwenhoek

living organisms are products of what?

evolution

what is a scientific theory?

best explanation supported by evidence

what does cell theory state?

all organisms are made of cells, from preexisting cells

who first made a crude microscope (1665)?

Rober Hooke

what did Rober Hooke first see?

cork cells

who made a 300x handheld macroscope?

Antonie van Leeuwenhoek

what did Antonie van Leeuwenhoek first see?

blood cells, yeast cells, sperm cells, microorganisms