LIFE ON EARTH
A group of organisms of the same species in a same area is called a ________________.
Population!
What are the two types of succession?
Primary and secondary!
Species that has a major effect on an ecosystem. If you were to remove it, the ecosystem could collapse.
Keystone species!
*DAILY DOUBLE*
What kind of pyramid includes the aggregate weight of the entire population within in a given ecosystem?
Biomass Pyramid!
*DAILY DOUBLE*
What is it called when a body of water becomes too saturated with nutrients from agricultural runoff with fertilizer? Causes an algal bloom.
Eutrophication!
Ecology is the study of _____________
Interaction of living things!
*DAILY DOUBLE*
Which type of succession involves a pioneer species on newly exposed land?
Primary Succession.
Type of interaction where one species benefits but the other is totally unaffected.
Commensalism!
Give me the order of the first 5 trophic levels, starting from "Producer":
Producer, Primary consumer, Secondary consumer, Tertiary consumer, Quaternary consumer.
Buildup of toxins in the food chain. Its caused by pollution and is often associated with the fish that we eat.
Biomagnification!
*DAILY DOUBLE*
Which biome is characterized by cold temps, moist soil, and coniferous trees?
Taiga!
*Many answers* Usually following some sort of natural disaster.
A clownfish and sea anemone have a ______________ relationship.
Mutual (mutualism). Both benefit.
Which one of these would you expect to see as the secondary consumer?
Grass, Lion, Hyena, Gazelle
Hyena!
(Grass -> Gazelle -> Hyena -> Lion)
*DAILY DOUBLE*
What element is the building block of life?
Carbon!
One step above a population, but one step below ecosystem.
Community! (A group of populations)
What is the first species to live on newly exposed rock during primary succession called?
Pioneer species!
*DAILY DOUBLE*
Describe the difference between an organisms Habitat and Niche.
Habitat - WHERE something lives.
Niche - HOW something lives.
*Many ways to say it.*
10%. (The other 90% is lost as heat!)
What are the 3 big steps of the nitrogen cycle? And WHO are the MVP's?
Nitrogen Fixation, Nitrification, Denitrification
MVPs = Bacteria!
Name ALL 6 of the major biomes we studied!
Rainforest, Taiga, Tundra, Deciduous forest, Desert, Grassland (Savannah)
What do we call a balanced and complete community of organisms that have reached the point of stability? Example: Our oak and hickory forests in VA.
Climax community!
Provide an example of parasitism and an example of commensalism. How are they different?
*Many answers* (In parasitism one organism is actually harmed!!)
What kind of population growth shows the population increasing and then plateauing flat once it reaches the carrying capacity?
Logistic growth!
How does carbon get taken out of the atmosphere and put into the food web?
Through photosynthesis!!
(CO2 + water + Sunlight --> Food + 02)