Lev vygotsky believed that learning takes place on two levels. according to him, how do all higher intellectual functions begin?

a. they are taught.
b. they are social relationships.
c. they are involuntary.
d. they are memorized.

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?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.