Ecosystems 11bio

What is the most accurate definition for the term "ecosystem"?

• how living things interact with each other and their environment

• how animals interact with the environment

• all the animals that live in an environment

• a place where animals live

For the following ecosystem, which is an abiotic factor?

• cactus

• sunlight

• grass

• bird

For the following picture, which are biotic factors? (select all that apply)

• water

• mangrove trees

• humidity

• monkey

In the following picture, which term best describes what is being shown?

• community

• organism

• population

• abiotic factors

Which common interaction involves organisms fighting for resources?

• predation

• competition

• mutualism

• parasitism

Energy is brought into an ecosystem through which important process?

• aerobic respiration

• photosynthesis

• food consumption

• digestion

Which of the following is able to undergo photosynthesis?

• heterotroph

• consumer

• autotroph

• decomposer

Which of the following causes dead or decaying organisms to break down?

• heterotroph

• consumer

• autotroph

• decomposer

Which of the following is not an important abiotic that would influence the type of organisms living in a desert ecosystem?

• oxygen

• water

• sunlight

• shelter

• soil

What is the best adaptation that arctic foxes have for a tundra environment?

• pink nose

• long ears

• cute features

• white fur