A single living thing.
Organism
The source of all of Earth's energy.
Sun
Biotic factors that can make their own food.
Producers
Name one way that humans affect the biosphere in a negative way.
Answers vary
What three cycles are important for life?
Water, carbon, nitrogen
Earth with ALL of its ecosystems consisting of LIVING THINGS.
Biosphere
Why are plants so important in a food chain?
Without them, nothing survives. Also, they can make their own food to supply energy.
Name the trophic levels in correct order beginning with producer.
Producer, primary, secondary, tertiary
An ecologist wants to count the number of palm trees in Orlando. What technique would he/she use?
Random sampling
True or false : The biogeochemical cycles (carbon, nitrogen, and water) are necessary for life.
True
Individuals of the same species in an area.
Population
What happens to energy as you move up a food pyramid?
10% is transferred.
What was the purpose of the owl pellet dissection?
Owl's food chain, technical writing, dissection skills
Mark and recapture
True or False : The biogeochemical cycles flow through the biotic and abiotic factors.
True
Collection of abiotic and biotic factors.
Ecosystem
What is necessary for photosynthesis to begin?
Carbon dioxide , sunlight, and water
Where is the most energy available in a food web?
Producers
A company buys land and plans to build a beach resort. Name three biotic factors that could be affected.
Answers vary
Describe how nitrogen becomes usable for plants, from the air.
Nitrogen fixation. Addition of hydrogen in soil.
Ecosystem with the same climate and communities.
Biome
What two processes are opposite of each other?
Photosynthesis and cell respiration
What process does an owl undergo when digesting its food?
Regurgitation
A demolition company plans on removing several buildings. The owner is concerned for several different living populations in the area. What term describes what he is concerned for? (think of circle diagram)
Communities
Isle Royale decides to introduce 200 new wolves to the island. Describe the impacts this would have on the moose population.
Answers vary.