Random
Where are many autotrophs found in polar ecosystems?
a. in the coastal zone
b. under the sea ice
c. above the permafrost
d. in the limnetic zone
b. under the sea ice
Organisms that are considered "threatened species" are at risk of becoming _______________.
a. endemic
b. endangered species
c. exploited
d. extinct
endangered species
Which of these words best describes the savanna?
a. rainy
b. forested
c. tropical
d. cold
c. tropical
Which of the following has the highest biodiversity?
a. mangrove
b. prairie
c. semi-arid desert
d. coral reefs
d. coral reef
Though tropical rainforest is the terrestrial ecosystem with the highest biodiversity, coral reefs also have a high biodiversity especially among the aquatic ecosystems.
What do limiting factors do?
a. Increases the amount of biotic factors in an ecosystem
b. Regulates how many organisms live in an ecosystem
c. Separates organisms by trophic levels
d. Determines the amount and kinds of producers in an ecosystem
b. Regulates how many organisms live in an ecosystem
Overfishing is an example of:
a. aquaculture
b. exploitation
c. mass extinction
d. ecosystem services
b. exploitation
What is the correct order of events of eutrophication?
1. Algal bloom
2. Organisms die from low oxygen levels
3. Nitrogen or phosphorus runs off into a nearby body of water
4. Increased decomposition
3. Nitrogen or phosphorus runs off into a nearby body of water
1. Algal bloom
4. Increased decomposition
2. Organisms die from low oxygen levels
True or False:
Throughout the day, temperatures are consistently high in subtropical deserts
False
Temperatures drop towards the end of the day.
Name two things/factors that cause eutrophication
Use of excessive fertilizers
Animal waste
Sewage
True or False:
The greenhouse effect is a natural event that occurs on Earth.
True - it's needed to keep temperatures on Earth warm enough
Enhanced greenhouse effect is unnatural and causes climate change
An example of an invasive species is...
a. Salmon swimming to their reproductive sites to lay eggs
b. An ivy plant that grows naturally and spreads on the side of a house.
c. Geese migrating south for the winter for food.
d. Pet owners buying boa constrictors from South America and releasing them in the wild
d. Pet owners buying boa constrictors from South America and releasing them in the wild
In a tundra, the frozen soil that prevents trees from growing is called _______________
permfrost
Where can chaparrals be found in/by
a. Polar regions
b. Northeastern United States
c. Deciduous forests
d. Mediterranean coast
Mediterranean coast
Look at the food chain:
phytoplankton->salmon->herring->dolphin
Which of the following organisms would be least affected by biomagnification?
phytoplankton
Which of the following choices puts the levels of organization in order from SMALLEST to LARGEST?
a. ecosystem, community, species, population, organism
b. community, organism, ecosystem, species, population
c. organism, population, species, community, ecosystem
d. species, population, community, organism, ecosystem
c. organism, population, species, community, ecosystem
What is the name of an area with endemic species and a large number of endangered and/or threatened species?
biodiversity hotspots
Name 2 examples of greenhouse gases.
water vapor
carbon dioxide
CFC's
nitrous oxide
methane
Points can be given if you have a different answer that can be found in your notes.
What type of precipitation is often seen in cold deserts?
snow
What is the name for the types of organisms that are large, independent swimmers?
Nekton
Name at least 2 types of fossil fuels
coal
oil
gas
keystone species
What are the 3 kinds of biodiversity?
genetic diversity
ecosystem diversity
species diversity
____________ is the type of farming where a variety of crops are grown at the same time within the farm
polyculture farming
The separation of land into smaller parts is called ___________
Habitat fragmentation
Name all 4 types of ecosystem services.
cultural services
provisional services
regulating services
supporting services