Cells are the smallest units of life
All living things are made up of cells
All cells come from pre-existing cells
What are the principles of the cell theory?
100
Any remains of past life found in rocks of different ages
What are fossils?
100
Cell division divides the organisms into 2 new organisms
What is the role of cell division for unicellular organisms?
100
Variables in the experiment that are kept the same
What are controlled variables?
200
ATP
What is the name of the energy carrying agent in cells?
200
Walter Flemming
Who described cell division (mitosis) from observations
on living and stained cells?
200
The chemicals for life came from outer space
The chemicals for life were formed on Earth
What are two scientific theories relating to the evolution of the chemicals of life?
200
The rock strata around continental margins match exactly in many places.
Fossils of marsupials have been found on all the continents that were
part of Gondwana
What is evidence that Australia was once a part of Gondwana?
200
When a test measures what is supposed to measure
What is validity?
300
How many organisms exist in an ecosystem
What is abundance
300
Has large pores in nuclear membrane to allow large molecules, such as genetic information and proteins to move in and out
What are two theories for the extinction of megafauna?
300
occurs when the materials used in an experiment cannot be used again
What is destructive testing?
400
Viscosity, Temperature, Humidity, pH
What and some abiotic factors?
400
Needed for growth and repair, make up a major part of the body’s structure.
What is the function of proteins?
400
It enables organisms to be describe quickly and accurately
What is the need for scientists to classify organisms
400
Two daughter cells are produced that are identical to the
parent cell
What does mitosis create?
400
Data that involves quantities or numbers
What is quantitative data?
500
Quadrat
What do we use to measure abundance?
500
Robert Hooke’s observation of cork cells
Leeuwenhoek’s observation of many types of unicellular cells
Walter Flemming’s observation of cell division - mitosis
What is the evidence of the cell theory?
500
Comparison of the physiology of fossils to present day organisms have showed
relationships between the organisms
The examination of the DNA structure of organisms has shown the development
from past organisms
What is evidence that present-day organisms have developed from different organisms in the distant past?