a possible explanation to an observation

The measurements taken in an experiment

Spontaneous generation is a scientific fact.

In an experiment the control group is also known as the untreated group.

Robert Waring Darwin had some contribution on evolution.

Alfred Wallace supported Lamarck's idea on the development of the species.

In science, it is consider unethical to recheck another study.

These are organs which have no useful function in an organism

Relative ageing of objects is based on age of the material near it.

There are two or more eons in an era.

In an experiment these are kept the same so that it will not affect the results

Mammals appeared in what era

Pangaea appeared after the land masses split apart.

Carbon was very abundant in the early stages of the earth.

An experiment in natural environment is better since there is full control of the variables.

After studying the finches he found in the Galapagos Islands, Darwin believed the differences came about by natural selection.

Reasons for extinction

In the Galapagos, Darwin studied the following except:

He proposed that the continents were previously joined and broke up

The scientific method is used by scientist to explain an observation.

In 1924, who gave the thought that life now came about after a long process of chemical revolution

Inbreeding will eventually lead to the extinction of a species.

Plants affected the development of the earth by releasing oxygen in the earth's atmosphere.

The lipids paved the way to the development of membranes.

Wallace compared finches in the Galapagos to establish the concept of evolution.

Electrical charges present in primitve earth lead to the formation of organic compounds from simple inorganic molecules.

When unrelated species become similar in appearance as they adapt to environment

The Earth's geologic history is affect by major changes in

He believed that the most fit organisms will survive and pass their genes to the next generations.

Blind experiments increases the objectivity in a study.

Which macromolecule became the information storage in cells

Protein like macromolecules Sidney Fox obtained by heat 18 amino acids to temperature of 160 to 200 degrees centigrade

Lamarckism implies that the children of a good carpenter will inherit the good carpentry skills.

Extinction happens when some of the species disappear in some areas but will be found thriving in another area.

Radiometric dating can give a numerical age of the material.

The primary mission of HMS Beagle when it sailed in December 27, 1831 is to discover new animals.

Science does not involve the collection and analysis of evidences.

In a geologic column the layers at the bottom were formed later than the once on top.

The mitochondrion is believed to have been a bacteria that was living inside the cell of other organisms and formed a symbiotic relationship.