A species that is brought in from an outside ecosystem. One that is not overly aggressive.

A species that is brought in from an outside ecosystem that aggressively out-competes native plant species.

English Ivy spreads quickly and covers large areas, and even chokes out trees. This is an example of an ___________.

Salal berries made up a part of our indigenous ancestor's diet since pre-contact. Salal is an example of a ___________.

An ecosystem is made up of ______________.

Elderberry is a native plant species poisonous to humans if eaten raw. Native birds have adapted to eat their berries and spread the plant's seeds. This is an example of ________ .

Invasive species pose a threat to native species because they _________.

A medicinal plant is any plant that is used for _______.

Willow bark is famous for its traditional use as a __________.

Seeds can last years in storage so long as they are kept _______.

Cover crops are planted in the garden in the Fall to ______________.

Mycorrhizae is _____________ .

One thing you could do to help mycorrhizae in the soil is _______.

As cold weather sets in, perennial plants transfer ___________ from their leaves into their roots to save energy for Winter survival.

Leaves and dead plant matter are useful in the garden because they ______.