Botany Test 2

Front 1

Whatcharacteristic distinguishes bryophytes from higher plants?

Back 1

Xylem and Phloem

Front 2

Define: Thallus

Back 2

Plant body that is not differentiated into roots, stems, or leaves

Front 3

Name 3 broad types of bryophytes

Back 3

Mosses, hornworts, liverworts

Front 4

What is a rhizoid?

Back 4

A rhizoid is what anchors bryophytes to a substrate

Front 5

Name one method of bryophyte asexual reproduction

Back 5

Fragmentation

Front 6

Name the male gametangia

Back 6

Antheridia

Front 7

Name the female gametangia

Back 7

Archegonia

Front 8

What external condition is needed for a bryophyte to reproduce?

Back 8

Water

Front 9

What is matrotrophy?

Back 9

Nutrition provided by mother

Front 10

Name the short side branch of leaf liverworts that bear antheridia

Back 10

Androecia

Front 11

Name 2 characteristics of bryophyte sperm

Back 11

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Front 12

Where are peat bogs found?

Back 12

Worldwide

Front 13

How does sphagnum modify it's environment?

Back 13

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Front 14

What is an operculum?

Back 14

The "lid" of the capsule of the Sporophyte

Front 15

What is a hyalocyst?

Back 15

Large, dead cell that fill with water in Spaghnum

Front 16

What is hydroid?

Back 16

Water conducting cells in brydae. They are elongated with inclined cell walls.

Front 17

What is a leptoid?

Back 17

Food conducting cells in brydae. They surround the hydroids.

Front 18

What anatomic feature is characteristic of class Bryidae?

Back 18

Peristome

Front 19

Where is a hornworts meristem tissue located?

Back 19

Between the foot and sporangium.

Front 20

Vascular cambium produces?

Back 20

Xylem and Phloem

Front 21

Types of growth in vascular plants?

Back 21

Primary growth- Increase in length at tips of stems and roots

Secondary growth- thickets stems and roots

Front 22

What is a stele? What types of steles are there?

Back 22

A stele is a central, cylinder, tissue inside the roots and stems in vascular plants.

Types: Protostele, Siphonstele (seedless, vascular plants), Eustele (seed plants)

Front 23

What is a microphyll and megaphyll?

Back 23

Microphyll- Small leaves with only a single strand of vascular tissue (Protostele plants)

Megaphyll- More than a single strand of vascular tissue (Siphonstele, Eustele plants)

Front 24

What is a heterospory?

Back 24

The production of 2 spores in 2 different sporangia...

microspores- male gametophytes produced in microsprangia...

megaspores- female gametes produced in megasporangia.

Front 25

What is an ovule? What is a seed?

Back 25

An ovule is the structure which develops into a seed.

A seed is the embryo-containing megasporangium, unit of dispersal.

Front 26

What does gymnosperm mean?

Back 26

Naked seed

Front 27

How does pine pollen achieve pollination?

Back 27

Pollination drops collect pollen and send through plant

Front 28

What does angiosperm mean?

Back 28

"Vessel" + "Seed"