How Ecosystems Work
The Human Population
Tools of Environmental Science
Aquatic Ecosystems
The Organization of Life
100
Also called an autotroph, a clover is an example of this type of organism.
What is a producer?
100
This is the study of populations.
What is demography?
100
This a piece of information we gather using our senses
What is an observation?
100
This is an area where fresh water from a river mixes with salt water from the ocean.
What is an estuary?
100
This is a group of organisms that can mate to produce fertile offspring.
What is a species?
200
This type of organism gets their energy by eating other organisms.
What is a consumer?
200
These are professionals who study and make predictions about human populations.
Who are demographers?
200
This is a group in an experiment that receives no experimental treatment.
What is the control group?
200
This is the increase in the amount of nutrients in an aquatic ecosystem.
What is eutrophication?
200
This is all the members of the same species that live in the same place at the same time.
What is a population?
300
This is the process by which energy is obtained directly from sunlight and stored in organic compounds.
What is photosynthesis?
300
This is the movement of people from rural areas to cities.
What is urbanization?
300
This is a statistical technique that can show whether and how strongly pairs of variables are related.
What is a correlation?
300
These are bottom dwelling organisms such as mussels, worms, and barnacles.
What are benthos?
300
These are flowering plants that produce seeds in fruit.
What are angiosperms?
400
This "level" shows how energy transfers within a food chain.
What is a trophic level?
400
These are the basic services that support communities.
What are infrastructures?
400
This "model" is a three dimensional model which you can touch.
What is a physical model?
400
These are the sea's smallest herbivores that live near the surface with the phytoplankton they eat.
What is zooplankton?
400
This is an inherited trait that increases an organism's chances of survival and reproduction in a certain environment.
What is an adaptation?
500
This is the main purpose of of cellular respiration.
What is to break down food to conserve energy?
500
This is a model that describes the economic and social effects on growth rates.
What is demographic transition?
500
This "model" is a verbal or graphical explanation of how a system works or is organized.
What is a conceptual model?
500
These four factors determine which organisms live in which area of the water.
What are temperature, sunlight, oxygen, nutrients?
500
This kingdom absorbs their food through their body surface; have cell walls; and most live on land.
What is fungi?
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