readings

Question 1

sporophyte

Answer 1

diploid plant that produces haploid spores by meiosis

Question 2

gametophytes

Answer 2

male and female haploid plants that produce gametes

Question 3

flower

Answer 3

sporophyte of angiosperms composed of sexual organs

Question 4

carpel

Answer 4

made up of a stigma to capture pollen and an ovary full of ovules which will become seeds

Question 5

stamens

Answer 5

produce pollen in the microsporangia of the anther

Question 6

incomplete flowers

Answer 6

lack some or all organs

Question 7

inflorescence

Answer 7

flower clusters

Question 8

ethylene gas

Answer 8

important chemical for plant aging, triggers fruit ripening in all plants

Question 9

salicylic acid

Answer 9

when a pathogen enters a plant, this is produced to signal to the rest of the plant that an area was infected

Question 10

ERH

Answer 10

hypothesis that plants introduced to new areas have reduced attack from predators and pathogens allowing them to become invasive

Question 11

human disturbance hypothesis

Answer 11

human disturbance of habitats create an unfit environment for native plants that exotics may thrive in

Question 12

competitive abilities hypothesis

Answer 12

some species have an increased competitive ability do to pressures in their native environment