Living Things and the Environment ch. 14.1 17-18

What is ecology?

• The study of living things.
• The study of animals and plants.
• The study of living and nonliving things.
• The study of how organisms interact with their environment.

Which is NOT an abiotic factor?

• grass
• rocks
• oxygen
• water

An environment that provides the things a specific organism needs to live, grow, and reproduce is its ________.

• ecosystem
• community
• habitat
• population

A biotic factor in an organism's habitiat is _________.

• something that is not alive
• something that is living or was once living
• a group of species
• a group of communities

Which lists the levels of an ecosystem in order from smallest to largest?

• ecosystem, community, population, organism
• community, population, organism, ecosystem
• organism, population, community, ecosystem
• organism, community, population, ecosystem

what needs of an organism are provided by its habitat

• organism
• population
• food, shelter, water
• species

the nonliving part of a habitat is called:

• abiotic factor
• biotic factor

Which of the following is an example of an organism?

• a river
• a chair
• air
• a sunflower

A prairie dog, a hawk, and a snake are all members of the same ___________

• niche
• community
• species
• population

An organism's habitat must possess all of the following except...

• food
• water
• predators
• shelter