Angiosperms make up about what percent of all plant species
90%
(600 for angiosperms & flowering plants) what is double fertilization?
one sperm fertilizes the egg- zygote; second sperm joins polar nuclei-enosperm
What carries water upward from roots
Xylem
Some protists are ______ and some cause _______
beneficial and disease
are viruses considered living and do antibiotics work on viruses
They are not considered living and antibiotics do not work on them
What two things are they divided into and what are their two key features
divided into monocots and eudicots. two key features are flowers and fruit.
What is nonvascular and depends on water for reproduction
Bryophytes (mosses)
What carries sugar from leaves
Phloem
Eukaryotic organisms have ______ in cell walls
chitin
how do bacteria reproduce
by binary fission (asexual)
polinators are attracted by what two things
nectar and petals
Seedless and vascular plants:
ferns and club mosses
What is water pressure inside vacuoles that keeps plants rigid
Turgor pressure
fungi ______ nutrients from the environment
absorb
________ may contain genes for antibiotic resistance
plasmids
what provides nutrients for the developing seed
endosperm
cones, not fruit;seeds not enclosed; wind pollination
gymnosperms
low turgor pressure causes what
wilting
Fungi can be _________, __________,or _________
decomposers, mutualists, or parasites
What is the lytic cycle and lysogenetic cycle in viruses
Lytic cycle: virus takes over cell and causes it to burst. Lysogenetic cycle: viral DNA hides in host DNA
What are the male and female parts, where does fruit develop from, and where does pollen land
Male: (stamen: filament+anther) Female: (pistil: stigma+style+ovary) Fruit develops from the ovary. Pollen lands on the stigma
flowers and fruit:
Angiosperms
what adapted to waterlogged, low-oxygen soil
Mangrove roots
Fungi reproduce using ______ (asexual or sexual)
spores
________ protect bacteria from harsh environments
capsules