Biotic and Abiotic Interactions

Lizards and cacti are BIOTIC factors in a desert ecosystem. Which ABIOTIC factors do they depend on?

• insects and sun

• water and insects

• snakes and temperature

• water and soil

Tags

NGSS.MS-LS2-1

Nonliving elements in an ecosystem are called _______________.

• biotic factors

• abiotic factors

• limiting factors

• fear factors

Select all the ABIOTIC factors

• bacteria

• minerals

• sunlight

• temperature

• mushrooms

Tags

NGSS.MS-LS2-3

Which is an example of an ABIOTIC factor in a pond environment?

• The water

• A frog

• A grasshopper

• A snake

Which of the following shows an ABIOTIC factor interacting with a BIOTIC factor in the environment?

• Lamprey eels survive by attaching themselves to trout.

• Water temperature affects its oxygen level.

• Low light intensity affects the growth of forest pine trees.

• Gypsy moth caterpillars eat the leaves of apple trees.

Tags

NGSS.MS-LS2-3

Which of the following is an ABIOTIC factor that could affect BIOTIC factors?

• Population of rabbits.

• Length of daylight.

• Presence of harmful bacteria.

• Number of herbivores.

Tags

NGSS.MS-LS2-3

Which is an example of a seasonal change to a BIOTIC factor?

• Temperatures get cooler in the fall.

• Hours of sunlight increase the summer.

• Birds fly south for the winter.

• Rainfall increases in the spring.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

"Bio" is a prefix that means...

• not

• life

• book

• science

Abiotic means

• living

• nonliving

Which of the following is an example of a biotic factor interacting with an abiotic factor in a forest ecosystem?

• A) A tree absorbing sunlight for photosynthesis

• B) A rock being eroded by wind

• C) A river flowing through a valley

• D) Soil being compacted by rainfall