Natural Selection 1
a group of individuals born and living at about the same time
What is a generation?
a characteristic that of one individual in a population
when something becomes different over time
What is change?
the ability to make things move or change
What is energy?
an animal that feeds on decaying organic matter
What is a scavanger?
the process by which distribution of traits change over time and those with more adaptive traits become more common in a species.
What is Natural Selection?
a group of organisms that are physical similar and can mate with each other and produce offspring that can also mate and reproduce.
What is a species?
a small part that is meant to show what the whole is like
What is a sample?
a scientist who studies the interactions of organisms with each other and their environment
What is an ecologist?
an organism that break down dead organic matter
What is a decomposer?
a trait that does not help the organism survive
What is a non-adaptive trait?
all the members of one species in a particular area.
What is a population?
when something stays mostly the same over time
What is stability?
a model that shows how energy is transferred between organisms in an ecosystem through feeding relationships
What is a food chain?
a close relationship between two species that benefits at least one of the species.
What is symbiosis?
a trait that helps an organism survive
What is an adaptive trait?
all living and nonliving things surrounding an organism.
What is an environment?
a group of atoms joined together in a particular way
What is a molecule?
a graphical representation showing the flow of energy through the ecosystem.
What is an energy pyramid?
a relationship between two organisms in which one organism benefits and the other is unaffected.
What is commensalism?
the number of individuals with the same trait or characteristic in a population
What is distribution?
differences within a populations traits
What is variation?
an energy storage molecule: a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms
What is glucose?
a diagram showing the interconnected feeding relationships within an ecosystem
What is a food web?
a relationship between two organisms of different species where one benefits and the other is harmed.
What is parasitism?