Science basics
Cells
Genetics
Evolution
Famous people
100

An educated guess about the relationship between two variables

Hypothesis

100

The outer covering of a cell that governs permeability. Made of phospholipids. 

Cell membrane

100

The molecule that stores genetic material

DNA

100

The idea that an organisms environment dictates reproductive viability

natural selection

100

He is known as the father of modern genetics for his work on pea plants

Gregor Mendel

200

A variable of measured values that represent a continuum 

Continuous variable

200

The part of the cell that holds DNA

Nucleus 

200

The process of of splitting duplicated chromosomes during somatic cell division

Mitosis

200

The level of organization at which evolution occurs

population

200

He most credited for the idea of evolution through natural selection

Charles Darwin

300

The number of observations in a given study

sample size

300

The part of the cell that produces ATP

Mitochondria

300

The process of chromosomes swapping material during meiosis

Crossing over/Synapsis 

300
A group that can reproduce with each other, but not with other such groups. At least this is the most commonly cited definition. 

Species

300

He invented our taxonomic naming system in the 1700s

Carlos Linnaeus

400

A collection of evidence gathered through testing many different hypothesis that has explanatory power over a large number of phenomenon. 

Theory

400

The part of the cell that produces phospholipids

Smooth endoplasmic reticulum

400

Making protein from RNA

Translation

400

A graphical illustration of the relationships and history of different lineages. 

Phylogenetic tree

400

They came up with the structure of DNA.

James Watson and Francis Crick and Rosalind Franklin

500

The type of graph one would use if they have a discrete independent variable and a continuous dependent variable

Bar graph

500

A specialized organelle that digests food particles or other parts of the cell

Lysosome

500

Different forms of the same gene

Mutation

500

Change in gene frequencies across generations that have nothing to do with differential reproduction

Genetic drift

500

He invented the Microscope or at least improved its use in viewing biological specimens

Antonie van Leeuwenhoek or Robert Hooke