Duplicate of Biology Review

Consists of all the individuals of a species that live together in one place at one time.

condensed threads of genetic material formed from chromatin as a cell prepares to divide

total amount of living tissue within a given trophic level

the process of duplicating DNA

An organism's appearance or other detectable characteristics

The life cycle of a cell.

series of steps in which organisms transfer energy by eating and being eaten

Purine nitrogenous base that bonds with cytosine in DNA.

Pyrimidine base that bonds with adenine in DNA.

Process by which a cell divides into two new daughter cells

The chemical inside cells that stores information about an organism.

A reproductive process that involves only one parent and produces offspring.

A possible explanation for a set of observations or an answer to a scientific question is:

organisms that lack a membrane-bound nucleus and membrane-bound organelles.

The part of the Eukaryota nucleus where Ribosomal RNA is synthesized.

Process that uses light energy, water and carbon dioxide to produce glucose and oxygen.

Part of eukaryotic cell division in during which the cell nucleus divides

The science that seeks to understand the living world:

Organisms that use energy in sunlight to make their OWN food