Ecology and Energy
What is the ultimate source of energy for ecosystems on earth?
The Sun
When two or more organsisms interact for limited resources, this species interaction is called ____________
A. Predation
B. Mutualism
C. Competition
D. Parasitism
E. Commensalism
C. Competition
The total number of different species found in an ecosystem is called _____________ , and is used to measure biodiversity.
A. Species evenness
B. Species variety
C. Species richness
D. Species focus
C. Species richness
What would be an example of an ecological distrurbance?
forest fire, flood, tornado, glaciation, climate change, volcanism
Which two factors are important when determining what type of biome an area will have?
A. Temperature and sunlight
B. Precipitation and temperature
C. Wind and sunlight
D. Temperature and wind
B. Precipitation and temperature
How an organism uses its resources and fits into an ecological community is called...
A. Succession
B. Indicator
C. Niche
D. Keystone
C. Niche
When both species benefit from interacting with each other, this is called...
A. Predation
B. Mutualism
C. Competition
D. Parasitism
E. Commensalism
B. Mutualism
A species that can have big overreaching effects on their community and ecosystem if it is removed? An example used in class would be wolves
A. Keystone Species
B. Endangered Species
C. Pioneer Species
D. Parasitic Species
or sea otters.
A. Keystone Species
Threats to biodiversity that move into a new area and out compete or prey on native species, damaging the ecosystems.
A. Habitat destruction
B. Overharvesting
C. Climate change
D. Invasive species
D. Invasive species
A pioneer species is...
A. The first species to colonize an area after an ecological disturbance
B. The last species to colonize an area after an ecological disturbance
C. A species with a large impact on an ecosystem
D. A species that capture energy from sunlight
A. The first species to colonize an area after an ecological disturbance
Create a food chain with four organisms
-starts with a producer
-four organisms
-arrows pointing the correct way
When one species benefits whiel the other species is unaffected, this is called...
A. Predation
B. Mutualism
C. Competition
D. Parasitism
E. Commensalism
E. Commensalism
__________ succession can take thousands of years because there is no soil at the beginning, but __________ succession typically takes 100 - 150 years to recover after a disturbance.
A. Alpha / Beta
B. Beta / Alpha
C. Secondary / Primary
D. Primary / Secondary
D. Primary / Secondary
The BACKGROUND extinction rate is the normal rate at which species are lost, while the ________________ extinction rate is when large numbers of species disappear quickly due to a drastic changes in the environment (EX: asteroids hitting the earth).
A. Extreme
B. Mass
C. Average
D. Overage
B. Mass
Rapid changes in species of organisms when new niches become available (EX: Finch beaks).
A. Punctuated Equilibrium
B. Adaptive Radiation
C. Keystone Evolution
D. Jumpstart Changes
B. Adaptive Radiation
Create a TROPHIC ENERGY PYRAMID with the bottom energy as 1,550 kcal using the following food chain: kelp -> sea urchin -> crab -> Duck
-10% rule
-Feeding/Trophic levels
-Correct order
When one organism gets a benefit (food or place to reproduce), while harming another organsism but necessarily killing it.
A. Predation
B. Mutualism
C. Competition
D. Parasitism
E. Commensalism
D. Parasitism
Eats plants and consumers =
Eats only consumers =
Eats only dead organisms =
Eats plants and consumers = OMNIVORE
Eats only consumers = CARNIVORE
Eats only dead organisms = DECOMPOSER
The biggest threat to biodiversity accordign to HIPPCO is....
Habitat destruction
___________ give environmental scientists a warning about potential dangers to the ecosystem.
A. Warning species
B. Keystone species
C. Indicator species
D. Pioneer species
C. Indicator species