biology 189 Flashcards
Which of the following produces traits can be adaptions favored by natural selection?
genetic variability within a population
What is the science of naming and classifying organisms?
taxonomy
Organisms seem so well-suited to their environment because they have inherited characteristics or behaviors, called_______, that enable them to successfully survive and reproduce.
adaptations
Heterotroph that obtains energy and nutrients by eating other organisms
consumer
Heterotroph that obtains energy and nutrients from wastes and dead organisms
decomposer
Autotroph that obtains energy and nutrients from nonliving sources
primary producer
What is the basic unit of classification and is denoted by a unique two-part scientific name?
species
A change in the genetic makeup of a population over multiple generations can also be referred to as
evolution
What is taxonomy?
the science of naming and classifying organisms
What are all the types of data and characteristics that scientists can use to help compare evolutionary relationships between organisms?
-anatomical features
-cellular attributes
-biochemical aspects
-genetics characteristics
Inherited traits, characteristics, or behaviors that enable an organism to survive and reproduce successfully in its environment are called
adaptations
Natural______ is a mechanism of evolution in which certain individuals from a population exhibit enhanced reproductive success based on inherited characteristics.
selection
All living organisms are organized into one of ______ domains.
three
Each type of organism is assigned a unique, two-part scientific name, which consists of the _____ of the organism.
genus and specific descriptor
Evolution is
a change in the genetic makeup of a population over time