Change in Ecosystems

Which of the following describes homeostasis?

• keeps variables exactly at the set point

• organism's ability to maintain steady(stable) internal conditions

• acts to keep values outside of a desired range

• operates through positive feedback

Tags

NGSS.HS-LS1-3

What is a seasonal movement of an animal to another location to find food called? 

• camouflage
• migration
• grouping
• mimicry

What do we call it when an animals coloring allows it to blend in with its surroundings?

• blending
• camouflage
• migration
• hibernation

Tags

NGSS.MS-LS4-4

Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

Tags

NGSS.MS-LS2-5

1. What makes a species invasive?

• Moving to a new ecosystem and taking resources from natives 
• Not having papers
• Species that can't adapt
• Plants that take up too much space

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is a native specie?

• A specie that is local and has lived in the same place
• A specie who has come from another state or country
• A specie that has no "home" and travels for its whole life
• None of the above

The lack of natural predators makes populations of invasive species unmanageable?

• True
• False

Tags

NGSS.MS-LS2-4

Species that are indigenous to an area with no human intervention

• invasive species
• native species
• all species that live in an ecosystem

Tags

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

What's one EFFECT of pythons invading the Everglades?

• the number of small mammals, like mice, are decreasing
• the number of white-tailed deer is increasing
• pythons can grow to be 18 feet long

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5