Ecosystem Relationships

Fleas, ticks, and lice live on other animals and are all three examples of

• hosts

• parasites

• prey

• predators

Water, sunlight, soil, and nutrients are types of ______________ factors of an ecosystem.

• unnecessary

• artificial

• biotic

• abiotic

Tags

NGSS.MS-ESS2-4

The place or natural environment where an organism lives is referred to as a(n) _______________.

• ecosystem

• population

• habitat

• community

What is the original source of all energy in most ecosystems on earth?

• carbon

• wind

• water

• sunlight

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Some living things depend on each other in a close relationship, which lasts over time. This relationship is called ____________.

• mutualism

• parasitism

• symbiosis

• commensalism

Tags

NGSS.MS-LS2-2

In the food chain above in the previous question, the fox represents which of the following?

• primary consumer

• secondary consumer

• tertiary consumer

• quaternary consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

In the food chain pictured, what do the arrows represent?

• the flow of energy

• migration patterns

• what eats what

• none of these

Tags

NGSS.MS-LS2-3

In the food chain pictured, which organism(s) are both predator and prey?

• flower

• flower and butterfly

• butterfly and frog

• frog and heron

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

A relationship between two species where one organism benefits while the other organism is harmed is called

• parasitism

• mutualism

• commensalism

• none of these apply

A producer such as a sunflower gets its energy

• by consuming plants

• by consuming animals

• from sunlight

• none of these

Tags

NGSS.MS-LS1-6