Living Systems Flashcards
What is the force exerted on a cell wall by the water within a cell?
Turgor Pressure
What is a growth response in plants that is influenced by the force of gravity?
Geotropism
What is the energy of an organism while it is moving?
Kinetic Energy
What is the energy available to organism because of its position, condition, or chemical composition?
Potential Energy
What is the ability to make change happen?
Energy
What is a push or pull exerted on an object?
Force
What is the total kinetic energy of a substance’s atoms?
Thermal Energy
What is the energy stored within the bonds of a molecule?
Chemical Energy
True/False:
Matter is anything that has mass and takes up space.
True
True/False:
The law of conservation of energy states that energy cannot change from one form to another.
False
True/False:
The law of conservation of mass states that mass can be created or destroyed.
False
True/False:
An energy pyramid is a tool that can be used to trace the flow of energy through an ecosystem.
True
True/False:
Energy is the ability to do work.
True
True/False:
Nitrogen, carbon, and water are examples of matter that cycle through ecosystems.
True
What are regions where the climate determines the types of organisms that live there?
Biome
What biome has a permafrost layer with a thin layer of soil above it?
Tundra Biome
What biome has a low average temperature and nutrient-poor soil?
Taiga Biome
What tree has evergreen, needlelike leaves that are retained year-round?
Coniferous Tree
What biome is hot during the day and cold at night?
Desert Biome
What biome has thin soil and few trees?
Grassland Biome
What tree has broad leaves that drop as winter approaches?
Deciduous Tree
What is an event that changes an ecosystem?
Disturbance
What is the role each species has in an ecosystem relative to other species?
Niche
What is the slow development of an ecological community by another ecological community over time?
Succession
What is a process in which nutrients are added to an ecosystem?
Eutrophication
What are the first organisms to live in an uninhabited area?
Pioneer Species
What is the ability of an ecosystem to survive change?
Biodiversity
