Eukaryotes have a ________; prokaryotes do not have one
nucleus
The short-term energy that cells use for most of their processes
ATP
An organism's physical appearance
phenotype
True or false: fittest means strongest
false
Squares in a pedigree represent...
males
This structures surrounds all cells and controls what moves in and out
cell membrane
Organelle found in plants that performs photosynthesis
chloroplast
An organism that has two identical alleles for a trait
homozygous
Darwin came up with this theory that says organisms most fit to their environment survive and reproduce better than others
natural selection
When chromosomes swap genetic information during meiosis to create genetic variation
crossing over
The diffusion of water from high to low concentration
osmosis
These are the products of photosynthesis and the reactants of cellular respiration
oxygen & glucose
This molecule copies DNA's genetic message and takes it to the ribosome
RNA
This is a diagram used to show how organisms evolve over time
cladogram
Water enters a cell and causes it to burst. This is what type of environment?
hypotonic
Active cell transport requires...
energy
Where cellular respiration occurs
mitochondria
Red (R) is dominant over white (r). What color would a flower that is 'rr' be?
white
These structures have a similar anatomy and provide evidence for evolution
homologous structures
A chain of amino acids makes a...
protein
Cellular division to create gametes
meiosis
Process organisms use to make glucose in total darkness
chemosynthesis
A red cow and a white cow cross and produce a red and white spotted cow. This is called...
codominance
A structure that is inherited from a common ancestor but has lost its function over time
vestigial structure
When organisms breakdown glucose in the absence of oxygen
fermentation