Module Vocabulary: Dynamic Ecosystems

What is the definition of 'biosphere'?

• the parts of Earth and the surrounding atmosphere where there is life

• the layer of gases surrounding the planet

• the solid outer section of Earth

• the process by which plants make food

What is the definition of 'community'?

• all the populations of different species that live together in the same area at the same time

• a group of organisms of the same species living in the same area

• the physical environment where an organism lives

• the process by which organisms make their own food

What is the definition of 'population'?

• all the organisms of the same species that live in the same area at the same time

• the total number of different species in an area

• the physical environment where organisms live

• a group of organisms that interact with other species

What is the definition of 'competition'?

• demand for resources, such as food, water, and shelter, in short supply in a community

• the process by which organisms produce offspring

• the movement of individuals into a population

• the adaptation of organisms to their environment

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is the definition of 'limiting factor'?

• anything that restricts the size of a population

• anything that increases the size of a population

• anything that eliminates all populations

• anything that causes populations to grow indefinitely

Tags

NGSS.MS-LS2-4

What is the definition of 'population density'?

• the size of a population compared to the amount of space available

• the number of different species in an area

• the rate at which a population grows

• the average age of individuals in a population

What is the definition of 'biotic potential'?

• the potential growth of a population if it could grow in perfect conditions

• the amount of energy available in an ecosystem

• the number of species present in a community

• the rate at which organisms consume resources

What is the definition of 'carrying capacity'?

• the largest number of individuals of one species that an environment can support

• the amount of food available in an ecosystem

• the speed at which a population grows

• the number of different species in an environment

What is the definition of 'birthrate'?

• the number of offspring produced over a given time period

• the average lifespan of an organism

• the rate at which organisms die in a population

• the total population size at a given time

What is the definition of 'deathrate'?

• the number of individuals that die over a given time period

• the number of individuals born over a given time period

• the rate at which population increases

• the average lifespan of a population