| Term | Definition |
|---|---|
nonvascular plant | |
vascular plant with seed | |
vascular plant non-seed | |
meristematic tissue | |
epithelial tissue | |
connective tissue | |
muscular tissue | |
nervous tissue | |
parenchyma(simple tissue) PARENT | most common cells in plants
-photosynthesis, support, storage transport |
collenchyma(simple tissue) COLON | found near surface of stems, leaf petioles, veins
-support to young plant organs |
sclerenchyma(simple tissue) | thickened cell walls, may contain lignin-> polymer for strength (fiber)
-structure, support, protect seeds (SSS) |
complex tissue | composed of many cell types |
simple tissue | composed of one cell type |
xylem(complex tissue) XYLOPHONE | transport water and minerals from roots to leaves(one way) |
phloem(complex tissue) PHO=2 | transport products of photosynthesis throughout the plant(two ways) |
ground(complex tissue) | consists of parenchyma, collenchyma, and sclerenchyma cells
-photosynthesis, storage, structural support |
dermal(complex tissue) | composed of epidermis, guard cells, trichomes, root hairs |
epidermis | covered by waxy cuticle |
trichomes COMB | hair that provides protection |
Angiosperms | flowering plant
-seed plants have reproductive structures (fruit + flowers)
-after fertilization-> ovary becomes fruit
-fruit protects embryo from desiccation + helps in dispersal by wind and animals |
in angiosperms, where do seeds develop? | seeds develop from ovule |
seed characteristics of angiosperms | enclosed + protected inside ovaries of parent sporophyte plant |
angiosperm:
FLOWERS | attract pollinators +reproductive structures |
angiosperm:
CARPELS | protect ovule, then develop into fruit |
double fertilization | produce embryo + food source(endosperm) |
endosperm | provide nutrients for developing embryo |
reduced gametophytes | reproduction less dependent on water, allow efficient reproduction |
pollen | carries sperm to egg |
MALE PLANT STRUCTURE | STAMEN
^anther=produce pollen
^filament=support anther |
FEMALE PLANT STRUCTURE | PISTIL
^carpel
^stigma=sticky surface that receives pollen
^style= connect stigma to ovary
^ovary=contains ovules
^ovules=contains female gametophyte/egg |
sepals | protects developing flower |
receptacle | supports flower structure |
angiosperm reproduction cycle | 2n plant → meiosis → n spores → n gametophytes → n sperm + n egg → 2n embryo
n sperm + n + n polar nuclei → 3n endosperm
DOUBLE fertilization = 2n embryo + 3n endosperm. |
porifera (sponge) | multicellularity(animals) , NO TRUE TISSUES |
cnidaria(jellyfish) | tissues, radial symmetry |
flatworms | bilateral symmetry, NO body cavity |
Rotifera | pseudocoelom( not completely lined by mesoderm, similar to nematoda), FIRST body cavity |
nematoda | molting(shed outer cuticle for growth+development), pseudocoelom |
true coelom, protostome development | |
segmentation(metamerism), division of body | |
jointed appendages, molting | |
echinodermata | deuterostome development(during embryonic development, blastopore became anus) |
chordata | notochord, segmentation, jointed appendage |
Kingdom Animalia | -multicellular eukaryotes that LACK cell walls
-heterotrophic(require C & N for development)
-cells organized(except Porifera)
-reproduce sexually
-majority of life in diploid stage |
Radial Symmetry | central axis |
Bilateral Symmetry | straight down |
diploblastic (cnidaria) | 2 ectoderm+endoderm |
triploblastic | 3 ectoderm, endoderm,mesoderm |
SPONGE | NO TRUE TISSUE
NO SYMMETRY |
ectoderm (outer skin) EXIT DERMATOLOGY | become epidermis and nervous system |
endoderm( INNER SKIN) | lining of digestive tract(gut) |
become muscle, reproductive organs, circulatory, skeletal | |
acoelomate (a=without) | NO COELOM |
coelomate | coelom with direct mesoderm |
pseduocoelomate (pesudo=false) | lacks mesoderm directly around coelom |
sac-like gut | gastrovascular cavity, mouth |
tube-within-a-tube | mouth to anus |
open circulatory system | blood flow freely in body cavity |
closed circulatory system | blood contained within vessels |
simple diffusion | gas pass straight through skin(NO ORGAN NEEDED) |
gills | feathery organs that take O out of water |
lungs | internal air sacs, O in blood-> blood delivers to cells |
tracheal system | air tube carry O straight to cells (air enter through spiracles) |
Excretory system | Simple diffusion, osmoregulation, kidneys,nephridium, flame cells, Malpighian tubules, etc |
osmoregulation | control water and salt in body, NO ORGAN |
kidneys | filter blood, remove waste |
nephridium | paired tubes in each segment collect waste from coelom fluid +release it outside (ANNELIDS,MOLSUCS) |
flame cells | tiny climated cells in pores, filter waste, regulate water (FLATWORMS) |
Malpighian tubules | tubes attached to gut, pull waste from blood+dump to gut->feces, |
locomotion | Flagella, cilia, crawling, or appendages |
flagella | whip like tail(moves water), SPONGE or SPERM(single celled) |
cilia | tiny hairs (FLATWORMS) |
crawling | muscle contractions (clams) |
appendages | limbs or outgrowth (arthropods, vertebrae) |
support system | endoskeleton
exoskeleton
hydrostatic skeleton |
endoskeleton | bone cartilage, hard support IN body |
exoskeleton | hard shell/covering on OUTSIDE (clam) |
hydrostatic skeleton | fluid held under pressure inside cavity(NOT HARD, earthworms, clay worms) |
segmentation (worm vs beetle) | multiple body parts |
appendages | feeding, fighting, fleeing, feeling, production |
nervous system | Neural net, neurons, sensory organs or nervoussystem (CNS/PNS) |
neural net | neuron spread evenly through body |
neurons | individual nerve cells send electrical signals |
sensory organs | detect environment (eyespots) |
CNS=central nervous system | process info |
PNS=peripheral nervous system | carry signal to and from |
meristematic | growing/dividing actively |