unit 1
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
what is a cell?
Cells are the basic building blocks of all living things
what is dna
molecule that contains the genetic code of organisms.
what is evolution
change in the characteristics of organisms or populations over many generations
Homeostasis
the tendency toward a relatively stable equilibrium between interdependent elements
what are ethics
a set of moral values
what is the mitochondria
an organelle found in large numbers in most cells
Which term is defined as a genotype composed of two identical alleles?
homozygous
what is natural selection
the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
what is Behavioral Adaptation
Actions animals take to survive in their environments.
what is empirical evidence ?
quantitative and qualitative data
Which option correctly describes where most of a cell’s cellular respiration occur
mitochondria
define genotype
an organism’s genetic makeup, as determined by alleles
what is a artificial selection
Artificial selection is the identification by humans of desirable traits in plants and animals
what is Physical Adaptation
Physical adaptations are special body parts that help a plant or animal survive in an environment.