Unit 1B Practice Flashcardizz for Final

Front

What direction does the arrow point in a food web when a lynx eats a hare?

Back

Hare --> Lynx

Front

What is an example of a density-independent factor?

Back

Natural Disasters

Front

Which ecological level is the largest in scale?

Back

Biosphere

Front

What type of survivorship curve is typical for a species that gives birth to few offspring and has a constant death rate throughout its lifespan?

Back

Type II

Front

What is a key characteristic of a Type I survivorship curve?

Back

Type I species have a higher death rate when the individual is OLD.

Front

Define 'Biosphere'.

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is a 'survivorship curve'?

Back

A graph that represents the number of individuals in a population that survive to different ages.

Front

What does a Type III survivorship curve indicate?

Back

Type III species produce many offspring but have a high death rate early in life.

Front

What is the difference between density-dependent and density-independent factors?

Back

Density-dependent factors are influenced by population size, while density-independent factors affect populations regardless of size.

Front

Give an example of a density-dependent factor.

Back

Predation.