Biology Crossword

what is the study of life?
example of prokaryotic
energy molecule
long, solid structure, found in cytoplasm that helps maintain cell internal structure
pigment involved in photosynthesis
controls cell processes with DNA
breaks down foods, worn out cell parts or undesirable substance
provides structure and support to the cell
favorable genes tend to__________ within a population
does not mix well with water
All life forms vary genetically within a population
change in the characteristics of a population from one generation to the next due to a shift in allele frequencies
more young produced then can survive
proposed idea of natural selection
introduction of a new organism into a habitat or population
the leaving of an organism from a habitat or population
random changes in an organisms DNA caused by radiation, viruses, errors that occur during meiosis or DNA replication
the key compound and function of vastly diffrent organisms is based on the same complex biochemical compounds
related organisms will share similarities that are derived from a common ancestor
when_____ are arranged in the order of there age, a continual series of change is seen, new changes being add to each stage
existing structure that is not used
organisms that use mitosis to reproduce
the process where cells divide to create two identical cells
prokaryotes use ____ to divide
a group of nucleic acid (DNA) coiled around proteins
a strand of DNA wrapped around a histone proteins
animal cells______ to form new cells
the phase before anaphase
which phase does centrioles duplicate
what do spindle fingers attach to in mitosis
create new body cells for growth, repair and replacement
the phase before mitosis