Which type or types of rock can become metamorphic rock?
a.
metamorphic and igneous rocks
b.
igneous, sedimentary, and metamorphic rocks
c.
igneous and sedimentary rocks
d.
only sedimentary rocks

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next