Land Ecosystems & Ecological Succession 1
The __ is the global sum of all ecosystems on Earth.
What is a pioneer species?
A species that is the first to colonize an area
Define decomposers in aquatic ecosystems?
Organisms that break down dead material
What is a characteristic of an oligotrophic lake?
Low nutrient levels
What adaptation helps prairie plants recover from fire and grazing animals?
Deep root systems
What is the primary cause of low precipitation in subtropical deserts?
High pressure systems
In which type of forest would you find trees that lose their leaves annually?
Deciduous forest
What is emergent vegetation?
Plants that grow at the edge of water bodies
Where are marine ecosystems found?
In oceans and seas
Which is a characteristic of generalist species?
Wide range of food sources
__ factors are non-living parts of an ecosystem that can influence living organisms.
Abiotic
Which side of a mountain receives more precipitation due to the rain shadow effect?
Windward side
What type of organism is classified as plankton?
Floating algae
What defines a freshwater wetland?
An area where water covers the soil
What is the temperature like in the source of a river?
Cold and high in oxygen
A __ is a large community of plants and animals that occupy a distinct region.
biome
What does the ocean conveyor system move around the Earth?
Water
What is a characteristic of a bog?
Acidic water
Lakes can be classified based on their __ levels.
Nutrient
Which desert type is characterized by low precipitation due to its location near cold ocean currents?
Coastal Desert
The two most significant abiotic factors that influence life in a biome are temperature and __.
precipitation
__ is the distance north or south of the equator, measured in degrees.
Latitude
How do rivers form?
By rainfall collecting into streams
In which zone of a freshwater lake is sunlight most abundant?
Limnetic zone
What does it mean for an organism to be bioluminescent?
It can produce its own light.