Ecology 22/23 Test #2

What is the definition of a population?

• A group of organisms of the same species that live in the same area

• a major regional or global community of organisms

• groups of various species in a defined area

What is the definition of an ecosystem?

• A group of organisms of the same species that live in the same area

• A major regional or global community of organisms

• All the biotic and abiotic factors in a given area

Organisms that create their own food are called...

• heterotrophs

• autotrophs

• carnivores

• IDK

Organisms that must eat plants or other animals to get their energy are called...

• heterotroph

• autotroph

• producer

• IDK

Organisms that create their own food are called...

• heterotrophs

• autotrophs

• carnivores

• IDK

Land animals depend on angiosperms for...

• Shelter

• Food

• Reproduction

• Company

The energy in most ecosystems comes from the...

• Sun

• Animals

• Wind Turbines

• Friction

A frog is an example of a(n)

• Vertebrate

• Invertebrate

Coevolution is...

• When an ecosystem evolves together

• One species evolving and one species staying the same

• Two species changing genetically in response to long term interacion

in order for evolution to occur an organism must..

• Live to an old age

• Reproduce Successfully

• Migrate to other areas

• Go extinct