Krill - Study guides, Class notes & Summaries

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

Divemaster Final Exam A part 2 UPDATED Actual Exam Questions and CORRECT Answers What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton - CORRECT ANSWER- d. Phytoplankton

What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton - Ans d. Phytoplankton True or False. Natural processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and wetlands than human-induced threats, such as pollution. - Ans False. True or False. When an alien (invasive) species is introduced into an ecosystem, it may have no natural enemies, which allows it to quickly multi...

What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton - Answer d. Phytoplankton True or False. Natural processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and wetlands than human-induced threats, such as pollution. - Answer False. True or False. When an alien (invasive) species is introduced into an ecosystem, it may have no natural enemies, which allows ...

. The two largest groups of marine reptiles are the ( ) and ( ) . - marine turtles, sea snakes ( ) are Herbivorous marine mammals related to elephants - dugongs • More people are attacked and killed by saltwater crocodiles than sharks - true 5. Unlike other marine mammals, sea otters lack ( ) and rely on their rich fur for insulation. - blubber A great drop in atmospheric ozone levels, thought to be caused by CFCs, currently occurs over Antarctica. - true A much greater diversity of f...

True or False. When an alien (invasive) species is introduced into an ecosystem, it may have no natural enemies, which allows it to quickly multiply and possibly overtake and kill off native species. - True. Flying after diving recommendations suggest that divers wait __________ hours after completing a single dive and _________ hours after completing multiple dives for several days before flying in a commercial jet airliner. a. 12 / 24 b. 4 / an extended period beyond 12 c. 12 / 18 d. ...

Divemaster Final Exam A part 2 Questions And Answers 100% Correct What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton d. Phytoplankton True or False. Natural processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and wetlands than human-induced threats, such as pollution. False.

Divemaster Final Exam A part 2 Questions And Answers 100% Verified What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton - answerd. Phytoplankton True or False. Natural processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and wetlands than human-induced threats, such as pollution. - answerFalse. True or False. When an alien (invasive) species is introduced into an eco...

SCI 225 Exam #3Ecosystem - correct answer A community of organisms interacting with each other and their physical environment Community - correct answer More than one group of species Population - correct answer One specific group of species Species composition - correct answer What species compose the community (naming the species) Species abundance - correct answer How abundant are the species Where are polar bears found? - correct answer Arctic (Northern Hemp) Where are peng...

Euphotic zone - Answer-first 200 meters -where photosynthesis can take place -suns radiation can be absorbed Seed Plants - Answer--true plants -not very abundant -grasses, eelgrass and surfgrass -mangroves -like warm, muddy waters -have a root system Protists - Answer-a) large algae(seaweed) -brown algae(kelp), green (sponge weed), red (rhodophyta) b) phytoplankton(small algae) -most producers -diatoms -coccolithophores -dinoflagellates Eukaryotes - Answer-seed plants and protist...