What is Ecology?
This is the scientific study of interactions among organisms and between organisms and their envrionment.
What is Ecology?
The main source for every living thing on Earth.
What is the sun?
Elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another through this.
What are biogeochemical cycles?
Autotrophs are also known as this. Heterotrophs are also known as this.
Must give correct terms for both. Half credit if only one.
What are producers? What are consumers?
A series of steps in which organisms transfer energy by eating and being eaten.
What is a food chain?
What are the three basic approaches to studying ecology?
What are observing, experimenting, and modeling?
Organisms that use energy from the environment to make their own food (sun or chemicals).
What are autotrophs?
All chemical substances that an organism needs to sustain life.
What are nutrients?
What is the biosphere?
Organisms that cannot make their own food and must obtain energy from other organisms.
What are heterotrophs?
Describe Observing in terms of ecology.
What is... something along the lines of using the five senses to answer questions?
Light energy powers chemical reactions that convert carbon dioxide and water into oxygen and carbohydrated.
What is photosynthesis?
When an ecosystem is limited by a single nutrient that is scarce or cycles very slowly, the substance becomes this.
What is a limiting nutrient?
Organisms use chemical energy to produce carbohydrates.
What is chemosynthesis?
This type of organism eats both plants and animals.
This type of organism eats animals.
This type of organism eats plants.
MUST GET ALL THREE CORRECT.
What are omnivores, carnivores, and herbivores?
Describe Experimenting in terms of ecology.
What is.... anything that describes ways to test a hypothesis. Think of setting up artificial environments, in a lab to imitate and manipulate conditions an organism might encounter. Also, experiments can occur in the natural ecosystem.
The name for each step in a food chain or food web.
What is a trophic level?
When an aquatic ecosystem receives a large amount of a limiting reactant, the result is an immediate increase of producers.
What is an algal bloom?
These organisms feed on plant and animals remain, as well as other dead matter.
What are detritivores?
When water evaporates from the leaves on plants, this happens.
What is transpiration?
Describe modeling in terms of ecology.
What is... anything that uses a combination of math and science to predict how patterns will change or play out over long periods of time or over large spaces.
A diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.
What is an ecological pyramid?
The rate at which organic matter is created by producers.
What is primary productivity?
Some bacteria convert nitrates into nitrogen gas in a process called this.
What is denitrification?
Some bacteria convert nitrogen gas into ammonia through this process.
What is nitrogen fixation?