Which type of protist is photosynthetic and unicellular with a silica shell? a. euglena b. green algae c. diatoms d. plasmodia

What two temperature scales do scientists use

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48

How does food concentration affect yeast activity