Which type of basaltic lava flow has its surface covered with sharp-edged, angular blocks and rubble?
A) pillow lava B) aa C) pahoehoe D) scoria
B
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Which algae was responsible for the Lake Erie harmful algal bloom (HAB) causing our recent Toledo Water Crisis?
Anabaena Aphanizomenon Lyngbya Microcystis
What factor(s) determine Earth's average global temperature?
A) solar radiation and greenhouse gas concentration B) solar radiation C) greenhouse gas composition D) latitude
Strong attachment threads, biological adhesives, a muscular foot, multiple legs, or hundreds of tube feet are adaptations to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates B) Drying out during low tide C) Lack of space or attachment sites D) Predators E) Strong wave activity
Which of the following are single-celled, microscopic protozoans that build their hard shells out of silica?
A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians