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Which of the following is an interaction between 2 living organisms?

• Barn owl capturing a mouse in its talons to eat

• Wind blows sediment from one sand dune to another

• Heat from the sun causing water to evaporate from the ocean

• Elephant throws mud on itself to stay cool

Which of the following is an interaction between 2 living organisms?

• River carving out a canyon making it bigger over millions of years

• Daffodil’s roots absorbing water from the soil

• Giraffe eating leaves from an acacia tree

• Spiny-tailed lizard basking in the sun for warmth

Tags

NGSS.MS-LS2-2

Which of the following is an example of a living organism interacting with a non-living thing in its ecosystem?

• Bee spreading pollen from one flower to another

• Ring-tailed lemur eats fruit from the tamarind tree

• Water vapor condensing into water droplets onto tiny pieces of dust in the air to form clouds

• Deer breathes in oxygen from the air

Tags

NGSS.MS-LS2-3

Which of the following is an example of a living organism interacting with a non-living thing in its ecosystem?

• Turtle burrowing in the sand

• Oxpecker eats ticks off of bigger animals such as zebras

• Glaciers carving out U-shaped valleys

• Heat from the sun causing water to evaporate from the ocean

Tags

NGSS.MS-LS2-3

symbiotic relationship in which one organisms benefits and the other organism is not affected

• invasive (non-native) species

• mutualism

• parasitism

• commensalism

Tags

NGSS.MS-LS2-2

symbiotic relationship in which both organisms benefit

• competition

• Mutualism

• nitrogen fixation

• energy pyramid

Tags

NGSS.MS-LS2-2

A tapeworm inside a dog is

• competition

• predation

• commensalism

• parasitism

In the ocean, a sea anemone attaches itself to the shell of a hermit crab. The stinging arms of the sea anemone protect the hermit crab, while the movement of the hermit crab brings food to the sea anemone. Which best describes the relationship between the sea anemone and the hermit crab?

• commensalism
• mutualism
• parasitism

As a dog walks through thick brush, a tick attaches to its leg. Which best describes the relationship between the dog and the tick?

• parasitism
• mutualism
• commensalism

According to the image, what is the producer?

• plant

• insect

• mouse

• snake

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6