Lab Notes Weeds

Question 1

What is a weed?

Answer 1

Any plant that is unwanted in an area for what it does, out of place and are invasive.

Question 2

How fast do weeds reproduce?

Answer 2

Very fast and invasive

Question 3

Weeds __________ any other species present in an area

Answer 3

Outcompete

Question 4

What is poison ivy?

Answer 4

A plant (with 3 leaves) that causes, or can cause, bad rashes.

Question 5

Triparte

Answer 5

3 leaves, like the poison ivy leaf

Question 6

What part of the poison ivy plant are people allergic to?

Answer 6

The entire thing can produce the oil that people are allergic to

Question 7

Oil is an example of what?

Answer 7

Secondary metabolite

Question 8

What is the compound in the plant that people are allergic to?

Answer 8

Urushiol

Question 9

Can poison ivy be burned?

Answer 9

NO! It can release the toxins from the urushiol and get into the air and can cause allergies as well.

Question 10

Does everyone have a reaction to poison ivy?

Answer 10

No, some dont have reactions, some mild, and some very bad.

Question 11

How do the vines of poison ivy go up a tree?

Answer 11

Vines grow straight up, they do not twirl around.

Question 12

English ivy

Answer 12

a type of vine plant that has white spots that do not contain chlorophyll

Question 13

Is the English Ivy invasive?

Answer 13

Yes, it is very invasive, especially here on campus

Question 14

How many seeds does a fruit contain?

Answer 14

1 seed, which contains a baby plant

Question 15

What do the barbs on the seeds do?

Answer 15

They help the seeds disburse (they can get on animals for example)

Question 16

Why do plants need a disposal mechanism?(3)

Answer 16

To avoid overcrowding, increasing genetic variability, and to avoid genetic impoverishment

Question 17

Is inbreeding okay for plants?

Answer 17

Only for a SHORT TERM is it okay.

Question 18

Is the winter creeper a native species?

Answer 18

No

Question 19

Is the English ivy native to KY?

Answer 19

No, native to Europe

Question 20

What is the worst weed in the state of Kentucky?

Answer 20

Honey Suckle Bush

Question 21

Where does the honey suckle bush come from?

Answer 21

China

Question 22

Why does the honey suckle bush thrive here if it is native to China?

Answer 22

Much of China has a similar climate to Ky.

Question 23

Honey Suckle bush easily ________ other plants.

Answer 23

Outcompetes

Question 24

Why is the honey suckle bush so successful in reproducing? (4)

Answer 24

One of the first to produce leaves in Spring, one of last to shed off leaves in fall, produces many fruits w/seeds, seeds are bright red which attracts birds to spread seeds around

Question 25

What color seeds do honey suckle bush have?

Answer 25

Red