Seeds And Gymnosperms

Question 1

Seed

Answer 1

embryo and nutrients surrounded by a protective coat

Question 2

What characteristics are common to all seed plants?

Answer 2

Reduced gametophytes,

heterospory,

ovules,

Pollen

Question 3

What is an advantage of having reduced gametophytes?

Answer 3

They develop within parent sporophyte tissue. This protects it from environmental stress and allows it to obtain nutrients from sporophyte.

Question 4

Heterospory

Answer 4

Seed plants are heterosporous

Question 5

Where do spores develop?

Answer 5

Within sporangia born on modified leaves called sporophylls

Question 6

Megasporophylls bear megasporangia that produce megaspores which form ______ gametophytes

Answer 6

female

Question 7

Microsporophylls bear microsporangia that produce microspores which form ________ gametophytes

Answer 7

male

Question 8

A _____ consists of a megaspore within a megasporangium surrounded by one or more protective coats (integuments)

Answer 8

Ovule

Question 9

A male gametophyte enclosed within the pollen wall

Answer 9

pollen grain

Question 10

Where do pollen grains germinate?

Answer 10

the female reproductive structure

Question 11

A pollen grain produces a ______

Answer 11

pollen tube

Question 12

The pollen tube grows into the ovule and discharge sperm into the ______ _______

Answer 12

female gametophyte

Question 13

If sperm fertilizes the egg of a seed plant, the ___ grows into a sporophyte embryo

Answer 13

zygote

Question 14

Seeds are ______

Answer 14

multicellular

Question 15

Seeds can remain ____ for years until conditions are favorable for germination

Answer 15

Dormant

Question 16

seeds have stored _____ to nourish growing seedlings

Answer 16

Food

Question 17

Which travels farther: seeds or spores?

Answer 17

Seeds

Question 18

Conifers, pines, firs, and redwoods are all _____

Answer 18

gymnosperms

Question 19

Which phylum has large cones, palm like leaves, and flagellated sperm

Answer 19

Cyadophyta

Question 20

Which phylum as flagellated sperm, fleshy seeds, and can tolerate pollution well

Answer 20

Ginkophyta

Question 21

Which phylum has tropical and desert plants?

Answer 21

Gnetophyta

Question 22

Which phylum has mostly woody cones, needle or scale like leaves, and is the largest phylum

Answer 22

Coniferophyta

Question 23

Cycas revoluta

Answer 23

Cycadophyta

Question 24

Ginkgo biloba

Answer 24

Ginkophyta

Question 25

Welwitschia

Answer 25

Gnetophyta

Question 26

Gnetum

Answer 26

Genetophyta

Question 27

Ephedra

Answer 27

Gnetophyta

Question 28

Sequoia

Answer 28

Coniferophyta

Question 29

Douglas Fir

Answer 29

Coniferophyta

Question 30

European larch

Answer 30

Coniferophyta

Question 31

Common juniper

Answer 31

Coniferophyta

Question 32

Bristlecone pine

Answer 32

Coniferophyta

Question 33

Wollemi pine

Answer 33

Coniferophyta