Phenomena 11-7 and 11-8

What is the order of succession shown in this figure?

• A, B, C, D
• B, A, D, C
• C, D, A, B
• D, A, B, C

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Mossess and Lichens 
• A rose Bush

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees
• Lichens → tree → shrubs→Grasses
• Grasses → Lichens → Shrubs → Trees
• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Tags

NGSS.MS-LS2-5

_____ species is a non-native plant/animal introduced accidentally or intentionally by humans 

• extinct
• endangered
• threatened
• invasive (exotic) 

A species that is indigenous to a given region or ecosystem naturally.

• native species
• accidental species
• introduced species
• local species

Tags

NGSS.MS-LS2-5

What does the graph tell you about biodiversity between 1600 and 1959?

• biodiversity has increased
• biodiversity has decreased
• biodiversity has remained about the same
• not enough information to tell

Tags

NGSS.MS-LS4-1

Based on the graph shown, how can you tell sea otters are a keystone species?

• as the sea otter population decreases, biodiversity increases
• as sea otter population increases, biodiversity increases
• changes in the sea otter population have little effect on biodiversity 
• the sea otter population dereases due to the presence of urchins

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

• The squirrel
• The shrew
• The deer
• The rabbit

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In a pond, which of the following changes would most likely result in terrestrial succession?

• An increase in water plants growing in the pond.
• A decrease in the number of decomposers in the pond.
• An increased rate of deposition of sediments into the pond.
• A decreased oxygen content kills large fish in the pond.