Lecture Exam Final Flashcards Preview

Local Flora > Lecture Exam Final > Flashcards

Flashcards in Lecture Exam Final Deck (16)
Loading flashcards...
1
Q

Preservation

A

Making land or some other ecosystem legally unavailable to development.

2
Q

Conservation

A

Active involvement in sustaining, maintaining, and improving an ecosystem.

3
Q

Naturalized

A

Non-native plants that are established and maintaining themselves.

4
Q

Adventive

A

Non-native plants that have spread only into the immediate vicinity of the cultivation site.

5
Q

Aggressive

A

Non native plants that are invasive.

6
Q

Endemic

A

Native to or confined to a certain region.

7
Q

Extirpated

A

Removed completely from a region.

8
Q

Exctinction

A

A breed is no longer able to recreate.

9
Q

History of Conservation

A

1872- Yellowstone National Park

1951 - Ecological Union (ESA) established the Nature Conservancy

1964 - Wilderness Act - Preservation goal of 9+ million acres

1973 - Endangered Species Act

10
Q

How exotic plants spread:

A

Watercraft, seeds shattering, humans, animals and automobiles.

11
Q

Examples of Aggressive Exotic Species

A

Japanese Honeysuckle (vine)

Japanese Knotweed (wind dispersal)

Honeysuckle (dispersed by birds)

Garlic Mustard (viable seeds)

Buckthorn (abundant seed producers)

12
Q

Ohio Rare Plant Law

A

Natural Areas Act (1978) established and administers statewide nature preserves for natural and rare species.

13
Q

Pith Types

A

Chambered - membraneous cross bars (no pith, looks spiraly)

Continuous - solid tissue in center of stem

Diaphragmed - pith has membraneous cross bars in pith (looks segmented)

Hollow - no material, evacuated

14
Q

Bud Coverings

A

naked - twig ends in leaves that appear shriveled

one - bud scale forming cone-like tip

valvate - two bud scales

imbricate - multiple bud scales overlapping

15
Q

Number of Species in Ohio

A

3000 (1800 native)

16
Q

Woody Plant Parts

A