Intro to Bio
Kevin walks inside a dim building on a sunny day. Once inside, his eyes dilate to allow more light into his eyes. What property of life does this represent?
response to stimuli
According to ________, increased reproductive success is based on traits favored by a particular environment.
natural selection
Vaccines prepared from ________ are capable of causing disease in recipients.
attenuated viruses
________ variation throughout the year will have a key impact on biome and vegetation distribution.
Temperature
The Plague of Athens, which weakened Athens’ dominance and world power, was likely an epidemic of ________.
typhoid fever
A/n ________ can represent the simplest living thing.
Cell
________ is recognized as the father of evolution
Charles Darwin
________ viruses are used as a cancer treatment.
Oncolytic
The ________ has the most stable temperature and precipitation profile year round.
tropical rainforest
The Black Death was caused by an outbreak of ________.
bubonic plague
A population is made up of ________.
members of the same species
When two species evolve in unique directions from a common point, the process of ________ is at work.
divergent evolution
Prions are unique in that they contain ________.
no nucleic acids
________ species are found in only a certain area, often of limited geographical size.
Endemic
Antibiotic resistance appears to be growing in bacteria due to ________.
overuse of antibiotics
Eukaryotic and prokaryotic cells share what component?
DNA
Structures with no apparent function in a modern organism are ________.
vestigial
What is an individual virus particle outside a host cell that consists of a nucleic acid core, an outer protein coating, and sometimes an outer envelope?
A virion
The ________ is the organic matter available as food.
net primary productivity
Which three foods use prokaryotes in their processing?
cheese, yogurt, bread
Phylogenetic trees are used to summarize ________.
how life on earth has evolved
A(n) ________ phylogenetic tree has a single lineage at the base.
rooted
Viroids infect ________.
plant cells
________ is the use of color patterns to warn off predators.
Aposematic coloration
Nitrogen is an essential element that is widely available in the atmosphere. Because eukaryotes cannot use nitrogen in its gaseous form, they benefit from prokaryotes' conversion of gaseous nitrogen to --
ammonia