Symbiosis
Populations
Trophic Levels
Food Chains and Webs
Levels of Organization
100
What is Symbiosis?
Relationships between organisms that live in the same area.
100
Something in an environmental that stops a population from growing.
limiting factor
100
What type of organism creates its own food?
producer
100
What is the ultimate driver of all life and energy on Earth?
The Sun
100
What does abiotic mean?
nonliving or never alive
200
Give an example of a parasitic relationship.
Ticks, tapeworms, beetle on plants, etc.
200
The maximum number of organisms an ecosystem can support.
carrying capacity
200
Name the trophic level occupied by plants.
Primary Producers
200
What do the arrows represent in a food chain/web?
The arrows show the FLOW OF ENERGY between organisms.
200
What are the levels of biological organization IN ORDER from largest to smallest?
biosphere, biome, ecosystem, community, population, organism/species
300
What is a mutualistic relationship?
When both organisms benefit from the relationship.
300
Give an example of a density independent limiting factor.
natural disasters (hurricane, tornado, blizzard)
300
What type of organism eats only plants?
herbivore
300
How much energy is passed on from one level of an energy pyramid to the next?
10%
300
Which level of biological organization is defined as all of the members of a particular species in a certain area?
Population
400
A relationship where one organism benefits and one organism is not affected.
commensalism
400
Give an example of a density dependent limiting factor.
competition, predator/prey, space, disease
400
Which one is the consumer? Rabbits,bears, or both?
The answer is both.
400
What would happen to the eagle population if the yellow snakes were removed?
it would decrease
400
Which level of organization is the first to include BIOTIC and ABIOTIC components?
ecosystem
500
What kind of relationship would clown fish and sea anemone be?
Mutualism
500
What is the numerical value of the carrying capacity in this population?
about 1.5-1.7 million
500
How do decomposers help the ecosystem?
Decomposers help the ecosystem by eating the dead plants and animals and they keep track of the flow of nutrients.
500
What molecule is made by producers during photosynthesis that they use as their food?
glucose
500
What is the level of organization that includes all ecosystems on Earth?
biosphere