Ecology (LS) ch 3-5

The combined portion of Earth in which all living things exist is called the

• biosphere

• ecosystem

• community

• biome

What organisms make their own food with sunlight or chemical energy?

• producers

• consumers

• decomposers

• scavengers

Tags

NGSS.MS-LS1-6

Which organism is the autotroph in this food web?

• Aphids

• Oak Tree

• Caterpillar

• Hawk

Tags

NGSS.MS-LS2-3

Which organism gets its energy from the Aphids?

• Hawk

• Oak Tree

• Thrush

• Ladybird

Tags

NGSS.MS-LS2-3

Which description below shows how energy flows through a food chain?

• Producers------> carnivores-------> herbivore

• Sun-----> producers-----> herbivores-----> carnivores

• Sun-----> herbivores ----->carnivores ----->producers

• Carnivores ----->producers ----->herbivores

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The average year to year conditions of temperature and precipitation within a particular region are its

• Biotic factors

• Weather

• greenhouse effect

• Climate

Tags

NGSS.MS-ESS2-6

________________is when one organism captures and feeds on other organisms

• Competition

• Predation

• mutualism

• Commensalism

What is a biotic factor in this ecosystem?

• rocks

• temperature

• dragonfly

• water

Tags

NGSS.MS-LS2-2

NGSS.MS-LS1-4

What is an abiotic factor in this ecosystem?

• rocks

• temperature

• dragonfly

• water

Tags

NGSS.MS-LS2-3

The maximum number of organisms of a particular species that can be supported by an environment is called

• Population density

• exponential growth

• logistical growth

• Carrying capacity