What do most bacteria use for locomotion?
A flagella
Why are bryophytes relatively small?
Because they have no vascular tissue.
What happens if a crayfish loses a limb?
A new limb regenerates.
Name three out of five characteristics of arthropods.
exoskeleton
body segmentation jointed appendages open circulatory system
ventral nervous system
masses of nerve cell bodies
ganglia
What is bacteria's main mode of reproduction?
asexual reproduction
What is the male and female reproductive organs of a flower?
Male-stamen
female-carpel
What kind of hair serves as insulation for a mammal?
underhair
Name 3 out of the 5 characteristics of arachnids.
4 pairs of walking legs
two segmented body
no antennae
book lungs four pairs of simple eyes
the organ of balance in crustaceans
statocyst
What is the contractile vacuole used to do?
Control water balance
What functions do cotyledons perform before germination?
They feed the embryo.
What does a fish use to feel vibrations in the water?
the lateral line
Name 3 out of 5 characteristics of reptiles.
dry, tough scales ectothermic
breathe with lungs 3-chambered heart
amniotic eggs
the temporary union of two organisms for the purpose of DNA transfer.
conjugation
What phylum contains fungi that do not have a known mode of sexual reproduction?
Deuteromycota
If a jellyfish reproduces sexually, what form is it in?
Medusa form
What is the difference between a vein and an artery?
arteries carry blood away from the heart and veins carry blood into the heart.
Name 3 out of 5 characteristics of birds
endothermic Heart with 4 chambers
toothless bill oviparous
amniotic egg covered with feathers
skeleton composed of lightweight bones
the white part of the egg that protects the embryo from bacteria.
albumen
Name the classification groups in the classification scheme used in this course in order.
Domain, kingdom, phylum, class, order, family, genus, species
xylem and phloem
Habituation, imprinting, and conditioning.
Name 3 out of 5 characteristics of mammals.
hair covering skin viviparous internal fertilization four chambered heart
endothermic
nourish their young with mother's milk
possessing both the male and female reproductive organs.
hermaphroditic