8th Unit 8 test Review

What is a pioneer species?

• The first species to inhabit an area

• Small plants and bushes

• The last species to inhabit an area

• Mature trees

Organize these options into the right categories

Groups:

(a) Human Intervention

,

(b) Natural Intervention

• Deforestation

• Drought

• Volcanoes

• Overfishing

• Overhunting

• Infrastructure

• Earthquakes

• Wildfires

Tags

NGSS.MS-ESS3-2

NGSS.MS-ESS3-4

What are invasive species?

• Organisms that are not native and tend to outcompete native organisms in survival

• Native organisms that are stronger than non native organisms

• Non native organisms that have too many natural predators and can't survive

• Native organisms that have too many natural predators and can't survive

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which describes a climax community?

• An ecosystem that does not have soil and needs lichen and moss to break down rock to make soil

• An ecosystem that has soil but has been damaged by a trauma and needs recovery

• The end of the succession cycle where the ecosystem is thriving and self-sustainable

• The beginning of the succession cycle where pioneer species are beginning to build the ecosystem

Place the steps of primary ecological succession in order from beginning to end

• Small plants and bushes

• Bare Rock

• Pioneer Species break down rock into soil

• Small trees

• Climax Community

Place the steps of secondary ecological succession in order from beginning to end

• Small trees

• Climax Community

• Small plants and bushes

• Soil Already Present

Which type of ecological succession ends with a Climax Community?

• Primary Succession

• Secondary Succession

• Both Types

• Neither Types

Which type of ecological succession happens over a period of time?

• Primary Succession

• Secondary Succession

• Both Types

• Neither Types

Organize these options into the right categories

Groups:

(a) Invasive Species

,

(b) Native Species

• White-tailed Deer

• Mongoose

• Zebra Mussels

• Kudzu Vine

• Willow Tree

• Javelina

• Asian Long-Horned Beetle

• Hardwood Trees

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which of these would NOT happen if there was a disruption to the food web?

• Decline in available energy sources

• Possible endangerment or extinction of animals

• Possible population growth in animals

• DNA change in animals for long term adaptation

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4