Characteristics of Life
Science of Life
Classification/Evolution
Chemistry of Life
Misc.
100

The study of life

Biology

100

a procedure done in a controlled environment for the purpose of gathering observations, data, or facts,

Experiment

100

The gradual change in a species over time.

Evolution

100

the smallest unit of matter indivisible by chemical means.

Atom

100

What is the most specific and smallest level of the classification heirarchy?

Species

200

a membrane-bound structure that occurs as a functional independent unit of life

Cell

200

a scientific explanation of a phenomenon.

theory

200

When the environment chooses traits that are most successful, this is called...

Natural selection

200
What is it called when water molecules stick together?

Cohesion

200
When humans choose traits they like, this is called...

Artificial selection

300

a living thing that  can react to stimuli, reproduce, grow, adapt, and maintain homeostasis.

Organism

300

The value would represent the extent of the effect of the independent variable

Dependant variable

300

Carolus Linnaeus devised a two-part naming system for organisms called ____________ ____________.

binomial nomenclature
300

there is a transfer of an electron from one atom to another.

Ionic bond

300

The type of bond that forms between polar molecules 

Hydrogen bond.

400

The mistaken idea that living things can arise from nonliving things.

Spontaneous generation

400

A _______ study is when two variable are measured, without manipulation of either variable, to determine if there is a relationship.

correlational

400

A diagram that shows probable evolutionary relationships amoung organisms is called a ______ diagram.

Phylogenetic tree

400

What is the function of enzymes?

to speed up chemical reactions

400

If you were to take a count of the diversity of species in your town, you would be measuring the...

biodiversity

500

Involves only one parent and produces offspring that are identical to the parents

asexual reproduction

500

It is a variable that stands alone and isn't changed by the other variables you are trying to measure.

Independent variable

500

Structures that you have in the body that do not have a function are called...

vestigial structures

500

formed when an atom loses or gains one or more electrons.

Ion

500

Domain Bacteria and Archea are very similar. Give one example of how they differ from each other.

Archea can live in more extreme environments, and their cell structure and chemical makeup differs from Bacteria.