Seed Plants

Question 1

What is the dominant phase is all seed plants?

Answer 1

Sporophyte

Question 2

Main spore info on seed plants:
Hint* spore sizes

Answer 2

They are heterosporous, two spores of different sizes.

Question 3

What are the two seed spores?

Answer 3

Microspores, male and tiny
Megaspores, female and large

Question 4

What does the microspore develop into?

Answer 4

Microgametophyte

Question 5

What does the megaspore develop into?

Answer 5

Megagametophyte

Question 6

Reproductive organs in seed plants can be…

Answer 6

On one plant or two separate plants

Question 7

Plants with m and f structures

Answer 7

Monoecious

Question 8

Plants with separate m and f plants

Answer 8

Dioecious

Question 9

What defines Gymnosperms

Answer 9

Plants with exposed seeds born on cones called strobili

Question 10

Plants with exposed seeds

Answer 10

Gymnosperms

Question 11

Name the phylum and plant that has green fan like leaves

Answer 11

Ginkgophyta, Ginkgo biloba

Question 12

Name the phylum and plant that has is dioecious and palm like leaves

Answer 12

Phylum Cycadophyta, Sago palm

Question 13

What is a male pine cone called?

Answer 13

Staminate

Question 14

What is the staminate comprised of?

Answer 14

Scales on the outside and pollen on the interior.

Question 15

What is an ovulate?

Answer 15

A female cone

Question 16

What is an ovulate compromised of?

Answer 16

The scale and the ovule

Question 17

What are the parts of an ovule? From the outer to inner.

Answer 17

Integument, nucellus and then the egg

Question 18

What is a group of needles called?

Answer 18

Fascicle

Question 19

What does pine pollen look like?

Answer 19

Mickey Mouse but purple!

Question 20

What is the venation of all monocot angiosperms?

Answer 20

Parallel

Question 21

What venation can dicot angiosperms be?

Answer 21

Pinnate or palmate

Question 22

What does herbaceous mean?

Answer 22

Doesn’t produce wood

Question 23

Describe the embryo of a soy bean plant

Answer 23

The longer part of the embryo, the radicle becomes the roots and the shorter part, plumule becomes the above ground part of this dicot plant.

Question 24

Identify Monocot

Answer 24

Multiples of 3

Question 25

Identify dicot

Answer 25

Multiples of 4 or 5

Question 26

Trick to identify monocot parallel venation

Answer 26

The veins all go one way

Question 27

When the veins go to the outer part of the leave from a center stem

Answer 27

Pinnate

Question 28

When the veins stem from one place at the base of the stem (think hand print)

Answer 28

Palmate,

Question 29

How many species does Ginkgophyta have and what is it?

Answer 29

They only have one,

Ginkgo biloba

Question 30

Three points about Ginkgo biloba

Answer 30

• doesn’t bear cones
• no longer found in the wild
• Dioecious

Question 31

Three truths about Cycadophyta

Answer 31

• slow growing
• tropical or sub tropical
  -dioecious

Question 32

2 truths about Coniferophyta

Answer 32

Most are evergreens
Male and female cones are on the same tree.

Female at the top, male at the bottom to deter self fertilization.

Question 33

Cotyledons

Answer 33

The seed leaves that start photosynthesis before the true leaves drop

Question 34

What is unique about angiosperms?

Answer 34

Double fertilization.

Question 35

What is double fertilization?

Answer 35

One sperm fused with one egg for a diploid zygote and the other sperm fused with two polar nuclei to form the Tripoli’s zygote.