Read About It: Ecosystem Organization and Levels

Which of the following is NOT a level of ecosystem organization?

• Organism

• Population

• Habitat

• Community

Fill in the blank: The Texas Gulf Coast environment can be organized into various levels according to the living and ______ things that are found there.

• nonliving

• colorful

• aquatic

• dangerous

Organisms rely on nonliving things such as ______.

• A) water, soil, sand, and air

• B) food, shelter, and water

• C) other organisms

• D) sunlight and temperature.

Great egrets and snowy plovers are examples of organisms found in which ecosystem?

• Amazon Rainforest

• Texas Gulf Coast

• Sahara Desert

• Arctic Tundra

In a hierarchy, the sound 'higher' at the start of the word helps to remember that a hierarchy goes ______.

• lower and lower

• higher and higher

• round and round

• back and forth

Fill in the blank: Ducks that live in freshwater ponds inland would not be part of the Texas Gulf Coast community because they live in a different _______.

• population

• ecosystem

• species

• organism

Fill in the blank: In the winter, the Texas Gulf Coast ecosystem draws millions of organisms from hundreds of species that migrate south from _______ winters.

• northern

• southern

• eastern

• western

A group of black tip sharks is an example of which ecosystem level?

• A) Organism

• B) Population

• C) Community

• D) Ecosystem

Which level of organization includes both living and nonliving things?

• A) Organism

• B) Population

• C) Community

• D) Ecosystem

Fill in the blank: The community plus nonliving things like water and rocks form a(n) _______.

• A) Organism

• B) Population

• C) Community

• D) Ecosystem