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Biology > May > Flashcards

May Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Where dis plant life started

A

Water

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2
Q

Plants and _____ _____ have many common traits

A

Green algae

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3
Q

What are the common traits beetween green algae and plants?

A

are photosyntetic eukaryotes
same types of clorophyll
use starch as a storage product
have cell walls and cellulose

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4
Q

It points to the common ancestor of all plants

A

Genetic analysis

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5
Q

important plants caracteristics likely originated in

A

charophyceans

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6
Q

True plants evolved through:

A

natural selection

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7
Q

Plants have ___________ that allow plants to live on land

A

adaptations

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8
Q

allows plants to retain moisture, and it is a waxy waterproof layer

A

a cuticle

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9
Q

Are tiny holes in the cuticle that can open and close to allow air to move in and out

A

Stomata

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10
Q

allows resources to move to different parts of the plant

A

vascular system

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11
Q

allows plants to grow upright

A

lignin

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12
Q

allow reproduction without free-standing water

A

pollen

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13
Q

is a storage device for a plant embryo

A

a seed

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14
Q

is an interaction in which 2 species benefit

A

mutualism

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15
Q

Some adaptations that plants have for preventing animals from eating them are:

A

spines, thorns, and chemicals

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16
Q

plants can be classified into how many phyla?

A

9

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17
Q

mosses and their relatives are

A

seedless and nonvascular

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18
Q

usually seedless and nonvascular plants are:

A

short and around water

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19
Q

Hornworts belong to what phylum?

A

Antacerophyta

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20
Q

Mosses belong to what phylum?

A

Bryophyta

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21
Q

Club mosses and ferns are:

A

seedless and vascular

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22
Q

Usually seedless vascular plants are:

A

taller than non-vascular but around water too

23
Q

Ferns belong to phylum:

A

Pterophyta

24
Q

Seed plants include:

A

cone-bearing plants and flowering plants

25
Q

Gymnosperms do not have

A

seeds enclosed in fruit

26
Q

Gymnosperms are ____ shaped

A

cone

27
Q

Cyads are in phylum

A

Cycadophyta

28
Q

Ginkos are in phylum:

A

Ginkophyta

29
Q

Conifers are in phylum

A

Coniferophyta

30
Q

Have seeds enclosed by some type of fruit:

A

Angiosperms

31
Q

Angiosperms belong to phylum

A

Anthophyta

32
Q

how many levels of organization does the body have?

A

5

33
Q

Specialized cells are made up from:

A

a single zygote

34
Q

Zygotes first divide into:

A

embryotic stem cells

35
Q

Stem cells develop in how many stages

A

2, determination and differentiation

36
Q

What are tissues?

A

groups of similar cells working together

37
Q

What does specialized cells perform?

A

specific tasks

38
Q

Some types of tissues are:

A

epithelial, connective, muscle, and nervous

39
Q

What are organs?

A

different tissues working together

40
Q

What are organ systems?

A

organs working together

41
Q

What si an organism?

A

all organ systems working together

42
Q

how many main systems are in the human body?

A

11

43
Q

Systems interact to maintain:

A

homoestasis

44
Q

Each organ system affects other:

A

organ systems

45
Q

Organ systems must also work together to:

A

keep the organism healthy

46
Q

Homoestasis can be disrupted by:

A

sensors fail, targets do not recieve messages, injury, illness

47
Q

type of disruption that May cause little or no harm:

A

Short term disruption

48
Q

type of disruption that cause more damage

A

Long term disruption

49
Q

The nervous system and the endocrine system provide:

A

the means by which organ systems communicate

50
Q

The body’s communication systems help maintain:

A

homoestasis

51
Q

It controls thoughts, emotion, and movement

A

nervous system

52
Q

It controls growth, development, and digestion:

A

endocrine system

53
Q

The nervous system works _______ by using________________

A

quickly, chemical and electrical signs

54
Q

The endocrine system works _________ by using __________ ___ ___ __ ___________

A

slowly, chemical signals that move through bloodstream

Biology (6 decks)

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