What type of instrument measures seismic waves?
a. mercalli scale
b. seismogram
c. seismic scale
d. seismometer

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

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.