Middle School Ecology

Which one of these is a long term environmental change?

• volcano erupting

• fire

• pollution

• drought

Tags

NGSS.MS-ESS3-4

These animals have come from another country or area to a new ecosystem.

• autotrophs

• heterotrophs

• consumers

• invasive species

Invasive species can be harmful to their new environment because:

• they aggressively eat the food that the native species would eat.

• they take over the native species habitat.

• All of the above

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

True or False? During primary succession, the area does not have any living organisms in the beginning. It also does NOT contain soil until the first living species arrives.

• True

• False

The first living species in an ecosystem is called a:

• false species

• pioneer species

• pilot species

• consumer species

In secondary succession, an ecosystem has undergone a forest fire, flood or clearing of the land. What is left after most of the living organisms have been destroyed?

• huge trees

• rock

• soil

• nothing

Tags

NGSS.MS-LS2-4

In this dichotomous key, what is species "C" called?

• dragonfly

• bee

• firefly

• ladybug

When looking at a dichotomous key to identify a species, where should you always start to complete the key?

• 2a and 2b

• 3a and 3b

• 7a and 7b

• 1a and 1b

What is the role of producers in an ecosystem?

• They decompose organic material.

• They consume other organisms.

• They produce energy through photosynthesis.

• They compete with other species.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Sunlight

• Temperature

• Soil

• Plants

Tags

NGSS.MS-LS1-4