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Chap 3
Chap 3
Chap 3
Chap 3
Chap 3
100
Combined portion of the planet in which all life exists
What is Biosphere
100
Geographic region with same climate and communities
What is biome
100
Different populations that live in a defined area
What is a community
100
all living organisms in an area and the nonliving
What is an ecosystem
100
same species and live in the same area
What is population
200
First step of ecological inquiry
What is observation
200
What is the main source of energy on Earth
What is the sun
200
How much energy moves from one trophic level to the next?
What is 10%
200
All food chains must begin with?
What is a producer or autotroph
200
A food web is composed of?
What are food chains
300
Describe the one-way path of energy through an ecosystem
What is sun to autotroph to heterotroph
300
Water that has seeped below the earths surface
What is groundwater
300
limiting nutrient in saltwater
What is Nitrogen
300
What are the products of photosynthesis
What are oxygen and carbohydrates
300
Organisms that obtain energy only from plants
What are herbivores
400
Heterotrophs that eat other animals
What are omnivores and carnivores
400
Organisms that breakdown and feed on plant and animal remains
What are decomposers
400
Each step in a food chain is called
What is trophic level
400
Water enters the atmosphere through the leaves of plants
What is transpiration
400
Conversion of Nitrates into Nitrogen gas
What is denitrification
500
The amount of living tissue within a given trophic level
What is Biomass
500
Type of pyramid that shows the amount of energy at each trophic level
What is energy pyramid
500
Branch of biology dealing with the interaction among organisms and organisms and their environment
What is ecology
500
Carbon does not cycle in which of the following: decomposition,respiration, transpiration, photosynthesis
What is transpiration
500
Repeated movement of water between the Earths surface and the atmosphere
What is Water Cycle