structure in a bird's body that grinds food
gizzard
long bone of the upper leg
femur
feed primarily on animals
carnivores
tentative, untested solution to a scientific problem
hypothesis
what kind of structure
double-helix
mitochondria
protozoa that moves and engulfs prey using pseudopods
amoeba
allows a fish to adjust its buoyancy so that it can remain stationary at a given depth
swim bladder
integumentary
eight legs and no antennae
arachnids
simple to complex sequence of fossils predicted by evolution
geologic column
typographical error in genetic information
mutation
internal framework that gives the cell its shape and transports vesicles
cytoskeleton
process of selective diffusion across a semipermeable membrane
osmosis
two main groups of fish
bony & cartilaginous
tiny air sacs in the lungs
alveoli
butterflies and moths
Lepidoptera
wrote Origin of Species/ The Descent of Man
Charles Darwin
abbreviation DNA stands for
deoxyribonucleic acid
small structure that manufactures protein
ribosome
brain and spinal cord form the
central nervous system
albumen
muscle group in the thigh that bends the leg at the knee
hamstrings
soft-bodied invertebrates with a muscular foot, visceral hump, and mantle
mollusks
studied the physiology of the circulatory system
William Harvey
process that allows genes on the same chromosome to be inherited independently
recombination
cells (gametes) that has half the usual number of chromosomes
haploid set
sequence of three nucleotides that encodes a single amino acid
codon
leaping amphibians that lack tails
anurans
blood vessels that return blood from the lungs to the left atrium of the heart
pulmonary veins
odd-toed ungulates (horses/rhinos)
perissodactyls
Linnaean system of classification
kingdom, phylum, class, order, family, genus, species
3 types of RNA
messenger, ribosomal, transfer
jelly-like fluid medium of the cell that surrounds the organelles and nucleus
cytosol
list the 4 bases of DNA
adenine, cytosine, guanine, and thymine