Human Impact and Biodiversity

Biodiversity refers to

• extinct species

• the variety of species in an ecosystem

• nonrenewable resources

• the rate of species decline

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

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

What kind of organisms can become invasive? 

• Lions, Tigers, Bears
• Plants, Animals, or Pathogens 
• Animals
• Plants

If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?

• Increase
• Decrease
• Stay the same
• No affect on smaller fish

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

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.11-12.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

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

What is climate change?

• The raising of global temperature

• The earth cooling down

• a hypothesis

• has no effect on the Earth