This term is used to describe the physical appearance of an organism based on their genetics. A
genotype
B
phenotype
C
alleles
D
genes
E
I do not know at this time.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?