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Study Abroad Bio 2 > Last Test > Flashcards

Last Test Flashcards

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Biology 101 flashcards
1
Q

Releasing and inhibiting hormones

Cause release of hormones from anterior pituitary gland

A

Hypothalamus

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2
Q

Prolactin

A

Stimulates breasts to make milk

Anterior pituitary

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3
Q

Thyroid stimulating hormone TSH

A

Release of thyroid hormones

Anterior Pituitary

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4
Q

Adrenocorticotropic hormone ACTH

A

Release of Cortisol

Anterior Pituitary

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5
Q

Luteinizing Hormone LH

Follicle stimulating hormone FSH

A

Gamete production, sex steroid release

Anterior Pituitary

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6
Q

Antidiuretic Hormone ADH

A

Increase water reabsoeption in kidney tubules

Posterior pituitary

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7
Q

Oxytocin

A

Uterine contraction, milk ejection

Posterior pituitary

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8
Q

Thyroxin

A

Control metabolism

Thyroid

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9
Q

Calcitonin

A

Reduce blood calcium levels
Thyroid

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10
Q

Parathyroid hormone PTH

A

Increase blood calcium levels
Parathyroid

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11
Q

Aldosterone

A

Increase sodium reabsorption in kidney tubules

Adrenal Cortex

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12
Q

Cortisol

A

Chronic stress response

Adrenal cortex

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13
Q

Epinephrine

A

Stimulate fight or flight response
Adrenal Medulla

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14
Q

Insulin

A

Decrease blood glucose levels
Pancreas

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15
Q

Glucagon

A

Increase blood glucose levels
Pancreas

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16
Q

Melatonin

A

Regulates biological clock

Pineal gland

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17
Q

Estrogen and Progesterone

A

Gamete production, reproductive organ function

Ovaries

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18
Q

Androgens/Testosterone

A

Gamete production, reproductive organ function

Testes

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19
Q

Types of hormones that bind to receptor on inside

A

Lipid soluble

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20
Q

Types of hormones that binds to receptor ON membrane since cannot cross

A

Water soluble

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21
Q

Number of receptors increase with low hormone concentration

A

Up regulation

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22
Q

Number of receptors decrease with high hormone concentration

A

Down regulation

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23
Q

Development (eggs) happen outside mother

A

Oviparous

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24
Q

Occurs when fertilized eggs develop inside of a mother that provides protection but no nourishment

A

Ovoviparous

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25
Q

Embryo receives direct placental nourishment and results in live viable offspring (mammals)

A

Viviparous

26
Q

Within the testes where sperm is made

A

Seminiferous tubules

27
Q

Produced in the hypothalamus of the brain and causes release of the two gonadotropin hormones (LH and FSH) from the Anterior Pituitary

A

Gonadotropin releasing hormone GnRH

28
Q

Released from Anterior Pituitary and results in sperm production

A

FSH follicle stimulating hormone

29
Q

Release from Anterior Pituitary and causes testosterone release

A

LH luteinizing hormone

30
Q

Remnants of follicle after ovulation that continues to produce female sex steroids

A

Corpus luteum

31
Q

Occurs in oviducts

A

Fertilization

32
Q

Diploid cell formed by fusion of egg and sperm

A

Zygote

33
Q

Solid ball of cells

A

Morula

34
Q

Hollow ball of cells

A

Blastocyst

35
Q

Becomes skin and nervous system

A

Ectoderm

36
Q

Becomes muscle and bone

A

Mesoderm

37
Q

Becomes epithelial linings

A

Endoderm

38
Q

Concerned with how an organisms structure, physiology, and behavior meet the challenges posed by its environment

A

Organismal Ecology

39
Q

Analyzes factors that affect population size and how and why it changes through time

A

Population ecology

40
Q

Examines how interactions between species such as predation and competition affect community structure and organization

A

Community ecology

41
Q

Studies energy flow and chemical cycling between organisms and their environment

A

Ecosystem ecology

42
Q

Include any living things

A

Biotic

43
Q

Non living things such as temp, precipitation, sunlight availability

A

Abiotic

44
Q

More affected by biotic factors

A

Density dependent

45
Q

More affected by abiotic factors

A

Density independent

46
Q

A relationship in which one organism is helped and the ither is neither helped or harmed

A

Commensalism

47
Q

Relationship in which both organisms benefit

A

Mutualism

48
Q

Relationship in which one organism benefits and the other is harmed

A

Parasitism

49
Q

Begins with rocky environment no soil and vegetation takes forever to grow
Ex: volcano

A

Primary succession

50
Q

Begins with disturbance to an ecosystem with soil
Ex: forest fire

A

Secondary succession

51
Q

Stable

A

Negative feedback

52
Q

Crashes

A

Positive feedback

53
Q

Rebuilds endometrium

A

Estrogen

54
Q

Maintains endometrium

A

Progesterone

55
Q

J shape curve chart

A

Exponential growth

56
Q

S shaped growth chart

A

Logistic growth chart

57
Q

More babies = less care

A

Fecundity

58
Q

When logistic growth chart levels off it is called

A

Carrying capacity

59
Q

Surviving with new techniques

A

Character displacement

60
Q

First species to populate area usually lichen and hearty plants

A

Pioneer species

Study Abroad Bio 2 (5 decks)

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