Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/25

Click to flip

25 Cards in this Set

  • Front
  • Back

Bryophytes- mosses

Rhizoids but no roots


Simple leaves and stems


Liverworts have a flattened thallus


No vascular tissue



Bryophytes- mosses

Spores produced in capsule


Capsule at end of stalk

Filicinophytes- ferns

Roots, leaves, and short non-woody stems


Leaves curled up in bud and divided into pairs of leaflets or pinnate


Vascular tissue

Filicinophytes- ferns

Spores produced in sporangia- underside of leaves

Coniferophytes- confiers

Shrubs or trees with roots, leaves, and woody stems


Narrow leaves with thick waxy cuticle


Vascular tissue

Coniferophytes- confiers

Seeds develop in ovules on surface of scales of female cones


Male cones produce pollen

Angiospermophytes- flowering plants

Variable


Roots, leaves, and stems


Stems of shrubs and trees are woody


Vascular tissue

Angiospermophytes- flowering plants

Seeds develop in ovules inside ovaries in flowers


Fruits develop from ovaries to disperse seeds

Porifera


ex. bath sponge

No clear symmetry


Attached to a surface


Pores through body


No mouth or anus

Cnidaria


ex. jellyfish

Radially symmetric


Tentacles


Stinging cells


Mouth but no anus

Platyhelminths


ex. flatworm

Bilaterally symmetric


Flat bodies


unsegmented


mouth but no anus

Annelida


ex. segmented worm

bilaterally symmetric


bristles often present


Segmented


mouth and anus

Arthropoda


ex.shrimp

bilaterally symmetric


exoskeleton


segmented


jointed appendages

Mollusca


ex. snail

Muscular foot and mantle


shell usually present


segmentation not visible


mouth and anus



Chordata


ex. fish

Notochord


Dorsal nerve chord


pharyngeal gill slits


post-anal tail

Fish

Scales grow from skin


gills with a single gill slit


fins supported by rays


swim bladder for buoyancy


external fertilization

Amphibians



Soft moist permeable skin


lungs with small internal folds


external fertilization in water


protective gel around eggs


larval stage lives in water

Reptiles

Dry scaly impermeable skin


lungs with extensive folding


internal fertilization


soft shells around eggs


one type of teeth

Birds



feathers growing from skin


lungs with parabronchial tubes


wings instead of front legs


hard shells around the eggs


beak but no teeth

Mammals

hairs growing from skin


lungs with alveoli


give birth to live young


mammary glands secrete milk


teeth of different types

Hierarchy of Taxa

Domain


kingdom


phylum


class


order


family


genus


species

Domains

Archaea


Eukaryota


Eubacteria or bacteria

Archaea

have histones present with DNA


Introns present in some genes


No peptidoglycan in cell walls


no nuclear envelope


no membrane-enclosed organelles


some branched hydrocarbons as membrane lipids


several kinds of RNA polymerase


circular chromosomes

Eubacteria

Histones present with DNA


Introns present in genes


no peptidoglycan in cell walls


nuclear envelope


membrane-enclosed organelles


unbranched hydrocarbons as membrane lipids


several kinds of RNA polymerase


no circular chromosomes

Eubacteria or bacteria

no histones present with DNA


no introns present in genes


peptidoglycan in cell walls


no nuclear envelope


no membrane-enclosed organelles


unbranched hydrocarbons as membrane lipids


one kind of rna polymerase


circular chromosome