Ecosystem Interactions

Which example shows a relationship between a living thing and a non-living thing?

• An insect is food for salmon.
• Water carries a rock downstream.
• A tree gets nutrients from the soil.
• A flower makes food for a butterfly.

Tags

NGSS.MS-LS2-3

Which of these is an example of one living thing depending on another living thing?

• Cat walking on the sand

• Bird building a nest in a tree

• Dog warming in the sunlight

• Squirrel drinking water

Tags

NGSS.MS-LS2-2

Which of the following is an example of an abiotic factor?

• Flowers
• Sunlight
• Animal scat
• Insects

Tags

NGSS.MS-LS2-3

Which of the following is an example of a biotic factor?

• Water
• Oxygen
• Rocks
• Leaves

Tags

NGSS.MS-LS2-3

Which term best describes two predators living in the same habitat who feed on the same prey?

• coexistence

• competition

• mutualism

• predatory

A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?

• predation

• mutualism

• parasitism

• commensalism

A tapeworm inside a dog is

• competition

• predation

• commensalism

• parasitism

relationship in which two species live closely together

• resource

• mutualism

• succession

• symbiosis

A living relationship between two species in which one organism is harmed is called...

• mutualism

• commensalism

• parasitism

• niche

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

• invasive (non-native) species

• mutualism

• parasitism

• commensalism