Unit 1&2
T/F: A community is bigger than a biosphere
False
What does salinity measure?
A.To measure the nutrients
B. To measure the toxins in the ocean
C. To measure the amount of dissolved salt in the water
D. All of the above
C. To measure the amount of dissolved salt in the water
What benefit do fires have on grassland ecosystems?
They help maintain a healthy ecosystem ( kill off dead plants to have new healthy plant growth)
What is an Invasive species?
Are non-native species that are transported to a new habitat
What does it mean for an area to be a biodiversity hotspot?
due to human activity the area's biodiversity is threatened
What is the difference between an observation and an inference?
Observation- Make an opinion based on what is seen
Inference - Mkae an opinion based on what you think you know
Latitude is the distance from the election above sea level: T/F
False( this is the definition of Altitude)
Why are keystone species so important in an ecosystem?
Keystone species help define ecosystems
What are the three types of biodiversity?
Genetic diversity, species diversity, and ecosystem diversity
What is a Tropical & Subtropical Deserts temperature like?
A. Coldest and dry
B. Warm and dry
C. Hottest and driest
D. None of the above
C. Hottest and driest
What are 2 types of limiting factors in an ecosystem?
Density- Dependent factors and Density-dependent factos
What is the limnetic zone?
Is an open water area away from the shore
Monoculture means many things are growing at the same time : T/F
False( that describes polyculture monoculture means only one type of crop in growing)
What does Albedo cause?
This causes the ice to melt ( which is ruining habitats)
What are the 2 most significant abiotic factors in any biome?
Temperature and Precipitation
What are the 3 different types of Biodiversity?
Genetic biodiversity, Species Diversity, and Ecosystem Diversity
What is the difference between benthic and nekton?
Benthic is referred to species that are at the bottom/floor of the ocean and nekton are large, independent swimmers
Chaparrals have the most rainfall compared to the other deserts: T/F
True ( it's just not a lot of rainfall)
Habitat Fragmentation is :
A. A land with high biodiversity
B. Large pieces of land separated
C. Separation of an ecosystem into smaller pieces of land
C ( Separation of an ecosystem, into smaller piece of land)
Why is captive breeding negative?
It prevents species/animals to adapt to their natural habitat and not having survival skills once set free in the wild
What are the 4 different types of ecosystem services?
Provisioning Services, Regulating Services, Cultural services, and Supportive services
What is the purpose of Prevailing winds?
A. To transfer cold air
B. To transfer heat
C. To change the direction of the ocean current
D. To keep the flow of the winds
B. To transfer heat
Cold Deserts/ Tundras are cold and dry and can be in polar regions are at a high ____
Altitude
Arctic and Antarctic Tundras have high latitudes and very ___ and ___ winters
Cold and dark
What are the 3 types of Tundra ecosystems ?
Arctic, Alpine Tundra, and polar ecosystems