Name: _______________________ Date: ________________________ The Great Big Ecology Review Worksheet! 1. Ecology is the ______________ of the ___________________ of organisms with one another and with their __________________ ___________________. 2. Fill in the levels of the biosphere (from largest to smallest) ________Biosphere_______ __________________________ __________________________ __________________________ __________________________ __________________________ 3. The biosphere extends ____________ above the Earth’s surface and _________ below the ocean’s surface. 4. What 2 factors of an ecosystem do we study? And name 2 examples of each factor. ________________________ _________________________ 1) _____________________ 1) ______________________ 2) _____________________ 2) ______________________ 5. Name at least 3 biotic and 3 abiotic factors in this ecosystem (ignore the numbers on the diagram). 6. This is an example of ______________ ___________________. Name: _______________________ Date: ________________________ 7. Name 4 land and 4 aquatic biomes. Land Aquatic __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ 8.
This organism is ideally suited for a ______________ biome because __________________________________________________________________________________ __________________________________________________________________________________ 9.
Draw an energy chain with the sun, one producer and at least 3 consumers. 10.
This picture represents the _______________ ___________________. 11. Population growth is controlled by _________________‐_________________ __________________ _________________ and by _________________‐_________________ __________________ _________________. Name: _______________________ Date: ________________________ 12. Density‐dependent limiting factors include: ‐
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_____________________ 13. Density‐dependent (DD) or Density‐independent (DI)? a) Freezing weather ____________ b) A volcanic eruption _____________ c) Predation _____________ e) Floods _____________ f) Disease or parasites _______________ g) Fire _____________ h) Tends to be biotic _____________ 14. a) A symbiotic relationship where one organism benefits and the other is harmed is called ___________________. b) A symbiotic relationship where both organisms benefit is called _________________. c) A symbiotic relationship where one organism benefits and the other is not harmed is called _____________. 15. Besides major natural disasters, what is the largest source of change to ecosystems? ________________________ 16. Name 2 ways that you can help minimize the human impact on our earth. ________________________________________________________________________ ________________________________________________________________________