Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology 2 - Test 2 > Lab 5 - Invertebrate Diversity > Flashcards

Lab 5 - Invertebrate Diversity Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

Systemics

A

organizes life in a hierarchy based on available evidence of shared ancestry.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

King Philip Conqueror of France Got Smacked

A

Kingdom, Phylum, Class, Order, Family, Genus, Species

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Binomial

A

genus and species group

Homo sapiens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Metazoa

A

Kingdom Animalia.

Monophyletic group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Ancoelomate

A

A body plan without a body cavity.

Each of three germ layers occur in order(ectoderm,mesoderm, then endoderm) with no body cavity between them.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Annelida

A

a large phylum(17,000 species) composed of segmented worms, where some organs repeat in segments.

Earthworms, leeches, polychaete worms, and others.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Arthropoda

A

Most diverse phylum(1million species, >80% of living species)

All members have:

  • jointed appendages
  • exoskeleton
  • segmented body

Includes Subphylums:

  • Chelicerata(spiders, scorpions, horseshoe crabs)
  • Myriapoda(centipedes, millipedes)
  • Hexapoda(insects)
  • Crustacea(crabs, crayfish, lobsters, shrimp, barnacles, copepods)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Bilateral Symmetry

A

Organism with a left and right side.

Only one way to cut them in half to have matching sides.

Humans have bilateral body plan.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Chordata

A

Phylum of 44,000 species

Share:

  • notochord(rod adjacent to nerve chord)
  • pharyneal gill slits during development
  • hollow dorsal nerve chord
  • post-anal tail

Includes:

  • all vertebrate classes(humans)
  • tunicates
  • cephalochordates
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Cnidaria

A

Diplobastic Phylum 9000 aquatic species

All have stinging cells(cnidocytes)

includes:

  • jellyfish
  • Hydra
  • Anemones
  • corals
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Coelomate

A

A body plan with a membrane lined(mesoderm) body cavity, permitting more organization than the other two body plans(acoelomate and pseudocoelomate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Deuterostomia

A

A mode of development of the digestive system during which the mouth forms second(anus first).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ecdysozoa

A

Organisms that molt(shed an exoskeleton and grow before the next exoskeleton hardens)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Echinodermata

A

A phylum of 7,000 marine species including starfish, brittle stars, sea urchins, sand dollars, sea cucumbers, and crinoids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ectoderm

A

The outer layer of tissue in the gastrula, gives rise to the skin and nervous system.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Endoderm

A

Inner layer of tissue in the gastrula, gives rise to most of the digestive system and multiple internal organs.

17
Q

Eumetazoa

A

Organisms with true tissues.

Tissue organization requires major organizational, genetic, and developmental process.

18
Q

Lophotrochozoa

A

A clade of organisms that share one of two characteristics.

  1. Lophophore(whorl of tentacles) mouthpart
  2. Trochophore(ciliated, planktonic) larval stage.
19
Q

Mesoderm

A

The layer of germ tissue that fills the space between ectoderm and endoderm.

In triploblastic animals, the mesoderm gives rise to muscles and organs in between the endoderm and ectoderm.

20
Q

Mollusca

A

Diverse Phylum of 93,000 species. All have a large cavity used for breathing and excretion and lined with a tissue(“mantle”), and 2 or 3 nerve chords.

Major Classes:

  • gastropods(snails, slugs)
  • bivalves(clams, mussels)
  • Cephalopoda(squids, octopuses)
21
Q

Nematoda

A

small, narrow worms. >80,000 species.

1/5 are parasitic

Complete gut, longitudinal muscles only

22
Q

Parthenogenesis

A

A type of Asexual reproduction in which females produce offspring from unfertilized eggs.

23
Q

Platyhelminthes

A

Acoelomate phylum of 20,000 species without circulatory or respiratory organs.

Many important human and animal parasites.

Parasitic classes:

  • Cestoda(tapeworms)
  • Trematoda(flukes)
  • Monogenea

Non-parasitic groups are in Turbellaria(genus Planaria)

24
Q

Porifera

A

Sponges.

Lack true tissues but instead are composed of different cell types.

Phylogeny under debate.

Monophyletic or paraphyletic.

25
Q

Protostomia

A

A mode of development of the digestive system during which the mouth forms first(anus second).

26
Q

Pseudocoelomate

A

A body plan with a body cavity that is not membrane-lined by mesoderm tissue.

27
Q

Radial Symmetry

A

like an apple pie.

The organism can be cut in half from any direction to obtain two matching halfs.

Jellyfish.

28
Q

Rotifera

A

Phylum of tiny aquatic pseudocoelomates with cilia surround the mouth that appear to rotate when beating.

2,000 species divided into two main groups with diverse shapes.

29
Q

Triploblastic

A

Having tissues derived from all three embryonic layers.

  • ectoderm
  • mesoderm
  • endoderm
30
Q

Specimen:

Porifera

A

Sponge(not true tissues, just different cell types)

  • osculum
  • epidermis
  • porocyte
  • amoebocyte
  • choanocytes
  • spicules
31
Q

Specimen:

Cnidaria

A

Diploblastic animals. Have true tissues.

  • epidermis
  • gastrodermis
  • mesoglea
  • gastrovascular cavity
32
Q

Specimen:

Echinodermata

A

Deuterostomes. “Spiny skins”. Closely related to chordates.

33
Q

Specimen:

Platyhelminthes

A

“flatworms”. Acoelomate worms.

Flat to increase surface area relative to volume.

Gas exchange and elimination of nitrogen through diffusion.

34
Q

Specimen:

Rotifera

A

“Wheel-bearers”. microscopic, multicellular organisms that inhabit freshwater, oceans, and moist soil.

Pseudoceolomates.

Parthenogenic(entire Asexual female population)

Corona of cilia at their heads draws bacteria and algae into their mouths.

35
Q

Specimen:

Mollusca

A

Ancient and very diverse.

Snails, slugs, clams, scallops, squids, and octopi.

Mantle, visceral mass, and foot.

36
Q

Specimen:

Annelida

A

“little rings”. Segmented worms that inhabit marine, freshwater, and moist soil habitats.

Coelomates with a body plan that includes a complete digestive system, closed circulatory system, simple “kidneys”(metanephridia).

37
Q

Specimen:

Arthropoda

A

more than 1 million species.

Segmented body, hard exoskeleton, and jointed feet.

insects(hexapoda) are the most diverse class.

38
Q

Specimen:

Nematoda

A

aligns with organisms such as anthropods.

no circulatory system.

Biology 2 - Test 2 (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions