Energy
What is true about non-renewable resources?
They cannot be replaced after they are used up
Simplest grouping of more than one kind of organism in the biosphere
community
Branch of biology dealing with interactions among organisms and between organisms and their environment.
Ecology
Where one organism benefits and the other is unaffected
commensalism
Repeated movement of water between Earth's surface and the atmosphere
water cycle
An interaction in which an animal feeds on plants
herbivory
Plants are
producers
A word that means the same thing as consumer
heterotroph
Where one organism benefits and the other is harmed
paratism
How does carbon cycle through the atmosphere? (there are 4)
photosynthesis, burning of fossil fuel, decomposition of plants and animals, cellular respiration
How do primary producers make their own food?
by using light energy to make carbohydrates
What animals eat both producers and consumers?
omnivores
An example of renewable resources
trees
A symbiotic relationship in which both species benefit
mutualism
What is an example of a human caused disturbance?
forest clearing
Algae is at the beginning of the food chain. What trophic level does it belong to.
producer
What would happen if the population of the bird species in an ecosystem were to suddenly decrease?
What they eat would increase
movement of organisms into a range is called
immigration
What is an organism's niche?
the range of physical and biological conditions in which an organism lives and the way it obtains what it needs to survive and reproduce
What are the factors that play a role in the population growth rate? (there are 4)
immigration, death rate, emigration, birth rate
Only 10% of the energy is stored in the organism at the next trophic level. What happens to the rest?
Eliminated as heat
All the individuals of the same species that occupy the same area and are likely to breed with one another
population
What is a climax community?
stable stage of ecological succession, where a mature ecosystem exists
A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird? (herbivore, omnivore, producer, decomposer, carnivore, autotroph, heterotroph, consumer)
canivore, consumer
What is the difference between primary and secondary succession?
Secondary succession begins with soil and primary succession begins on newly exposed surfaces