Stratospheric ozone is important, as it:
a. traps reradiated heat from the earth.
b. prevents heat penetration from the sun.
c. replenishes the surface ozone layer.
d. dissipates the surface ozone layer.
e. blocks solar UV radiation.
E
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The unusual ability for ________ being flagellated and motile enables ________
A) ascospores / dispersal in aquatic systems B) ascospores / spreading of pathogens in blood C) zoospores / dispersal in aquatic systems D) zoospores / spreading of pathogens in blood
Becoming infected by a disease from a mosquito bite is an example of ____
a. direct contact b. indirect contact c. inhalation infection d. contact with a transmitting vector e. retro-contact
Genetic drift affects a large population more than a small population
a. true b. false
How do enveloped animal viruses exit their host?
A) Bursting the host cell B) Endocytosis C) Rupturing virus D) Budding or exocytosis