Invasive/Keystone Review-

Q1. the variety of life in the world or in a particular habitat or ecosystem

• biodiversity

• demography

• carrying capacity

• poaching

Q2. Why are some sharks considered a keystone species?

• Because they are a top predator

• They scare off smaller fish that may overgraze an area of sea grass

• They are tertiary consumers

• They are cartilaginous

Why are bees considered a keystone species?

• The honey they make supports the bear population

• They pollinate flowers that produce fruit which supports the ecosystem

• They sting when threatened

• They live in hives

Q4. What is a keystone species?

• A species that helps to hold an ecosystem together

• A species that lives in or around rocks

• Keys and stones have nothing to do with ecology

• A keystone isn't a living thing, it's just a stone

Q5. A species form that supports an entire ecosystem.

• Keystone Species

• Herbivores

• umbrella species

• predators

Q6. species that are critical to the functioning of an ecosystem

• mass extinction

• invasive species

• biodiversity

• keystone species

Q7. 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

Q8. 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

Q9. These were released in Australia to eat cane beetles, but now they are an invasive species and number in the millions.

• slugs

• kangaroo

• cane toad

• rabbits

Q10. How did the zebra mussels end up in the Great Lakes?

• In ballast tanks of ships

• They were intentionally released

• They have always been in the Great Lakes

• That's not a zebra mussel