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Biology Lab 2 > Unit 2 Exam > Flashcards

Unit 2 Exam Flashcards

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1
Q

What are Bryophytes?

A

Non vascular seedless plants

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2
Q

What are three bryophytes?

A

Hornworts

Liverworts

Mosses

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3
Q

What are Tracheophytes?

A

Vascular plants

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4
Q

Which Tracheophytes are seedless?

A

Lycophytes

Ferns

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5
Q

What tracheophytes are seeded?

A

Gymnosperms

Angiosperms

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6
Q

What are the 4 types of gymnosperms?

A

Cycadophyta

Gnetophyta

Ginkgophyta

Coniferophyta

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7
Q

What are the two angiosperms?

A

Monocots

Dicots

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8
Q

What is the alteration of generations?

A

Plant life moving from sporophyte to gametophyte generations

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9
Q

Breakdown sporophyte generation

A

Begins with fertilization and ends with meiosis

Produces spores through meiosis

Sporophyte is diploid 2N

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10
Q

Breakdown the gametophyte generation

A

Begins with meiosis and ends with fertilization

Produces gametes through mitosis

Gametophyte is haploid N

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11
Q

What is the dominant generation of bryophytes?

A

Gametophyte generation

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12
Q

What is the dominant generation of seedless vascular plants?

A

Sporophyte generation

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13
Q

What is the dominant generation of seed plants?

A

Sporophyte generation

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14
Q

Function of Archegonia in mosses?

A

Produce female gamete, egg/ovum

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15
Q

Function of antheridia in moss?

A

Produce male gamete, sperm

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16
Q

Function of moss cycle?

A

Spores are produced here

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17
Q

What are ferns restricted to?

A

Moist environment due to sperm are flagellated

18
Q

Know the life cycle of a fern.

A

Look at it

19
Q

What is the dominant generation of the seed plants

A

Sporophyte

20
Q

Cycadophytes

A

Palm like

21
Q

Gingkophytes

A

1 specie- maidenhair

22
Q

Gnetophytes

A

Shrubs, tress and vines

23
Q

Coniferophyta

A

Pines, hemlocks, spruces

24
Q

Pines

A

Know life cycle and difference between male and female cone

25
Q

Angie sperm

A

Flower anatomy

Double fertilization

26
Q

What are three organs that have nothing to do with reproduction in flowering plants?

A

Roots
Stems
Leaves

27
Q

Where is Apical meristem tissue produced at in plants?

A

Terminal ends of stems
Branches
Root tips
Root branches

28
Q

Apical meristem tissue growth leads to the formation of of 3 tissue types

A

Dermal tissue (outermost, protective)

Ground tissue (interior, storage photo)

Vascular tissue (phloem, xylem)

29
Q

4 areas of a root tip?

A

Root cap, zone of division, zone of elongation, zone of maturation.

30
Q

Basic root anatomy

A

Epidermis

Cortex

Endodermis

Casparian strip

Pericycle

Vascular bundles

Pith

31
Q

Many Differences of Monocot and dicot roots?

A

Monocot have numerous xylem and phloem 8+

Monocots have rounded or oval xylem

Large and well developed pith monocots

Monocots do not have secondary growth

32
Q

What is secondary growth?

A

Cell division that causes stems and roots to thicken

33
Q

Tap root vs fibrous root

A

Fibrous root sty stems are all the same length

Tap roots have primary roots that grow longer and thicker then secondary roots

34
Q

What are Monocot stems?

A

Herbaceous / nonwoody

35
Q

What are dicot stems?

A

Woody

36
Q

What kind of stem growth do herbaceous undergo?

A

Primary due to apical meristem activity

37
Q

What type of stem growth do woody undergo?

A

Primary and secondary (vascular cambium)

38
Q

Vascular cambium produce what annually?

A

Xylem and phloem

39
Q

What are xylem and phloem in woody stems?

A

Xylem = wood

Phloem = part of bark

40
Q

Is the pith present in woody stems?

A

May or may not be

41
Q

What do leaves produce?

A

Sugar through photosynthesis

Biology Lab 2 (2 decks)

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