Unit 10: Ecology

Choose the abiotic factors below.

• water, rocks and algae

• water, rocks and air

• plants, rocks and air

• fish, plants and coral

Which statement is true about biotic and abiotic relationships?

• biotic factors rely on abiotic factors for water, shelter and light in an ecosystem

• there is no relationship between abiotic and biotic factors in an ecosystem

• abiotic factors rely on biotic factors to exist in an ecosystem

• biotic factors only rely on other biotic factors to survive in an ecosystem

Tags

NGSS.MS-LS2-3

Which of the following is a biotic factor?

• oxygen

• water

• food

• carbon dioxide

Tags

NGSS.MS-LS2-2

Which of the following correctly list the biotic factors in a forest ecosystem?

• water, grass, trees

• sun, dead log, mushrooms

• grass, rocks, sun

• mushroom, tree, grass

Soil contains both abiotic and biotic materials. What might be a biotic part of soil?

• minerals

• grains of sand

• decomposing leaves

• water

Tags

NGSS.MS-LS2-3

Which of the following is NOT a biotic factor?

• plants

• sunlight

• animals

• bacteria

Which of the following is NOT an abiotic factor?

• Temperature

• bacteria

• wind

• sunlight

What would be a good title for this list: Oxygen, sunlight, soil, water

• element factors

• abiotic factors

• non-manmade factors

• biotic factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What would be a good title for this list: bacteria, insects, small mammals, fish

• element factors

• abioitc factors

• manmade factors

• biotic factors

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following could be considered an abiotic component of an ecosystem?

• bats under a bridge

• population of deer on a deer lease

• monthly average rainfall

• attack on a wheat field by a fungus

Tags

NGSS.MS-LS2-3