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26 Cards in this Set

  • Front
  • Back
a reaction which absorbs energy
a reaction which releases energy
two or more forms a chemical compound which have the same number of each atom but a different arrangement of atoms.
An atom having the same number of protons as other varieties of the element but has a different number of neutrons
Early theory that held that some organisms originated from nonliving material.
adaptive radiation
The evolution of species into a diversity of previously unoccupied ecological niches
The theory that living systems arise only from pre-existent living systems.
dihybrid cross
a cross in which two pairs of traits are studied
dealing with the scientific study of the incidence, control, and spread of disease in a population.
monohybrid cross
A cross between two parents differing in one gene.
The development of one or more species from an existing species.
Containing genes from another species.
vestigial structures
Nonfunctional remains of organs or structures that may have been functional in ancestral species and may still be functional in similar species [appendix]
dealing with the functioning of organisms
The breathing pores on the surface of a plant's leaves
movement of cells or organisms in response to chemical stimulation
Movement in response to light
the bending of a plant toward the direction of more intense light.
protective coloration
coloration making an organism less visible or attractive to predators
# It is plant response to contact with a solid object.
what is habituation learning?
animal stops responding to a stimulus if it does not hurt or harm them
what is classical conditioning learning?
when an animal makes a mental connection between a stimulus and some kind of reward or punishment.
what is operant conditioning?
an animal learns to repeat behaviros that result in reward and avoid ones that result in punishment.
what is insight learning?
when animal applies something it has already learned to a new situtaion
what is mutualism?
both organisms benefit
what is commensalism?
one benefits, the other is not affected