An organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose.
Homologous Structure
Embryology
A molecule that contains the genetic instructions an organism needs to develop, live, and reproduce.
Carbohydrates
Protein
Lipids
DNA
When no individuals of a species are alive
Embryology
Extinction
Vestigial
The traces or remains of a once living organism
Fossils
Embryos
Which one is not evidence of evolution
Comparing Embryology
Myths and legends
DNA
Comparing Homologous Structure
The gradual change of an entire species over time
Evolution
Alfred Russel Wallace
Darwin
Giraffes
Organisms that are able to survive are more likely to pass their traits onto offspring, which is called
vestigial structures
embryonic development
survival of the fittest
homologous structures
Process where organisms with favorable traits are more likely to survive and reproduce
Embryology
Vestigial structures
Natural Selection
Sloppy joes
The best adapted to their environment is called:
The baddest
Toast
A humdinger
The fittest
The differences between the individuals in a species. Example: eye color, skin color, hair color
Natural selection
Variation
Evolution
Darwin
A physical or behavioral trait that helps an organism survive and reproduce in its environment
Adaptation
Genes
Chromosomes
Embryos
The comparison of embryo development of different species.
Homologous structures
Comparative Embryology
A change in the DNA sequence of a gene
Chromosome
Mutation
Genotype
Phenotype