1) How many species has the Earth had in the planet's history? a) 30 Million b) 30 Billion c) 13 Billion 2) What do all living things compete for? a) Space b) Food c) Survival 3) What animal went extinct by 1768 off the shores of Alaska in the Pacific Ocean? a) Whales b) Seals c) Steller's Sea Cow 4) What are ways mass extinction can occur? a) Asteriod b) Tornado c) Two LandForms Drift Apart 5) When dinosaurs became extinct what animal did it make room for? a) Mammals b) Wooly Mammoth c) Elephants 6) What aided in the Passenger Pigeon becoming extinct? a) Laying three eggs a year b) Disappearing Woods c) Birds migrating and not coming back 7) By roughly 2040 how many humans will be living on Earth? a) 8 Billion b) 9 Billion c) 7 Billion 8) What changes the environment the most? a) Humans b) Animals 9) Scientists are working hard to save what two ecosystems from going extinct? a) Australia's Great Barrier Reef and The Great Plains b) Australia's Great Barrier Reef c) Amazon Rain Forest and Australia's Great Barrier Reef 10) In the next hundred years what could potentially happen to Earth? a) Sixth Mass Extinction b) Dinosaurs could come back c) Humans become extinct

Gone Forever Comprehension

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?