Species Roles

An organism's _________ is defined as the environment in which it lives.

• habitat
• niche
• social structure
• ecosystem

Tags

NGSS.MS-LS2-4

Which of the following statements best describes a specialist?

• adapted to a large range of environments
• adapted to a small range of environments
• adapted to any environment
• poorly adapted to the environment

Tags

NGSS.MS-LS4-4

A species whose presence indicates the health of an ecosystem

• keystone species
• Indicator species
• plants
• producers

When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?

• Non-native plants are able to mutate rapidly
• Non-native  plants cause native animals to relocate
• Non-native plants are able to be used for medicine
• Non-native plants compete with native plants for resources

Tags

CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.8.3

What is a native species?

• 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

A species that plays a unique role in the way an ecosystem functions is a called a(n)

• keystone species

• indicator species

• native species

• nonnative species

Tags

NGSS.MS-LS2-4

Why are pythons invasive species?

• They threaten the survival of a keystone species

• They are not native to Florida

• They are native to Florida

• They play an important role in their ecosystem

Tags

NGSS.MS-LS2-4

Why are sharks a keystone species?

• They prevent the accumulation of dead organisms in the ocean

• They are major predators

• They keep animals in the ocean from getting sick or injured

• They feed other organisms in the ocean

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Why are sturgeon fish keystone species?

• They eat algae keeping it from blocking sunlight

• They eat coral

• They provide food for many other organisms

• They are not native to Hawaii

Tags

NGSS.MS-LS2-2

Why are indicator species important?

• They warn scientists that something in the ecosystem is wrong

• They play an important role in the way an ecosystem functions

• They are needed for cleaning up and consuming dead organisms

• They only eat a very small amount of food, so other organisms can eat more food

Tags

NGSS.MS-LS2-4