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Biology II > Unit 2 Quiz > Flashcards

Unit 2 Quiz Flashcards

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1
Q

What is the other name for protonephridia cells?

A

flame cells

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2
Q

what do flame (protonephridia) cells do?

A

couple of cells

remove nitrogenous waste (from the breakdown of amino acids) from bodily fluids

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3
Q

What is the simpler version of kidneys and nephrons?

A

protonephridia or flame cells

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4
Q

What is the outermost layer on a flatworm?

A

tegument

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5
Q

What is tegument used for?

A

defence against the host immune system

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6
Q

What is syncital?

A

when a cell is fused together with two nuclei

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7
Q

What is cuticle?

A

exoskeleton of molting animals the ectoza made of collagen and sometimes other materials

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8
Q

What is a hydrostatic skeleton?

A

water stiffened skelaton

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9
Q

What is the first part of prophase?

A

The DNA is unraveled (chromotin) and it has a nuclear envelop

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10
Q

What is the 2nd part of prophase?

A

Dna must condence into chromosomes
Centrioles must form on both sides of the nucleus to form spindle fibers
Nuclear envelop must disolve

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11
Q

During the beginning of prophase, what form is DNA?

A

chromotin

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12
Q

What happens in metaphase?

A

the motor protein connect to the chromosomes

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13
Q

At what part of a chromosome is a motor protein connected?

A

Kinecticore

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14
Q

What do we call the tip of chromosome?

A

Telemeres

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15
Q

During Anaphase, chromosomes seperate and move to opposite sides of the cell. What does the prefix ana means?

A

Against; opposite

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16
Q

What premix means last or termenal?

A

telo

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17
Q

The spindle fibers that motor proteins are made up of what?

A

actin or microtubulars

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18
Q

During telophase, if cytokinisis fails to occur, what kind of cell forms?

A

syncital

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19
Q

Syncital hypthesis has what kinds of symmetry?

A

Bilateral

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20
Q

If a sperm and egg meet, what forms?

A

zygote

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21
Q

When a zygote forms and divides to a 16 cell hollow sphere, what is it called?

A

Blastula

22
Q

If the blastula falls on itself, and has 2 tissue layers is called what?

A

diploblastic

23
Q

Animals that are diploblastic tend to show what kind of symmetry?

A

radial

24
Q

What is a gastula?

A

32 cells

25
Q

What are the parts of a triploblastic gastula?

A

endoderm
ectoderm
mesoderm

26
Q

In a gastula, if the opening formed the mouth first, what is that called?

A

protostome

27
Q

In a gastula, if the opening formed the anus first, what is that called?

A

Deutostome

28
Q

what is a stoma?

A

hole or opening

29
Q

What are the two animal groups that lack tissue?

A

Porifera

Placozoa

30
Q

What group of animals was the first to show proper nerve tissue?

A

Cnideria

31
Q

Cnydaria has which two body forms?

A

medusa and polyp

32
Q

Cnydarians that fall in the polyp form are what?

A

Anthazoa

33
Q

What are scyphoza?

A

jellyfish

34
Q

cnydocytes (the stinging cells) come from what mytholical name?

A

Cnyades

35
Q

What group of animals contain the comb jellies?

A

Ctenophore

36
Q

What makes the comb jellies light up?

A

luciferas

37
Q

What is the sense organ in ctenaphores that lets it know its relation to gravity?

A

Statistis

38
Q

What group of animals were the first to show a head?

A

flat worms

platehelminthes

39
Q

What two terms describe the gut of a cnydarian?

A

2 way

incomplete gut

40
Q

Why do flatworms have a incomplete gut?

A

they are so small

parasitic

41
Q

The parasitic flat worm have what structure that allows it to invade the immune system?

A

tegament

42
Q

What kind of skin does a flat worm have?

A

syncital

43
Q

What is a cesto?

A

tape worms

44
Q

What class of flatworms contains the flukes?

A

trematodes

45
Q

What is the life cycle of flukes?

A

Larva
larva grows into a snail
then it eats little bits of snail to grow until it is big enough to live outside the snail
Then it looks like a snail with dreadlocks (flukes)
Then it either attaches to animals and cuts itself into your muslces
Then another animal will eat something and the fluke will be released into the digestive tract
It mates and then the process happens over again
(3 phases, 2 hosts)

46
Q

What 2 groups divde the protostomes into two?

A

Siliated larva: laphtrocazoas

ectozoa

47
Q

What trait defines the group ectozoa?

A

extosketalton (they molt)

48
Q

Animals that have an exoskelaton must what?

A

mult and grow a new skin

49
Q

What is an example of ectozoa?

A

nematodes

50
Q

What is the definition of a true tissue?

A

More than one cell type
A layer of Extra Cellular Matrix seperates the tissue
baselflamina

51
Q

Our skin being glued to our muscles is what?

A

baselflamina

Biology II (15 decks)

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