Identify structure “c”. gastrulation.png [BLANK-1]

Are the following reactions exothermic or endothermic? Answer in order from a-c.a. CH4 (s) + O2 (g) –> CO2 (g) + 2 H2O (ℓ) ΔH = -890 kJb. 2 HCl (g) –> H2 (g) + 2 Cl2 (g)  ΔH = +185 kJc. 4 NH3 (g) + 5 O2 –> 4 NO (g) + 6 H2O (ℓ) ΔH = -1169 kJ 

Identify structure “h”. female repro2(1).png  [BLANK-1]

Using Hess’s law, what is ΔH°rxn for the following reaction?WO3(s) + 3H2(g) → W(s) + 3H2O(g)   2W(s) + 3O2(g) → 2WO3(s)   ΔH°rxn = –1685.8 kJ/mol   2H2(g) + O2(g) → 2H2O(g)   ΔH°rxn = –483.6 kJ/mol

The structure below is a solid ball of cell. What is the name of the structure? morula.jpg [BLANK-1]

Identify structure “g”. female repro2.png  [BLANK-1]

Is the embryo below in gastrulation or cleavage? morula.jpg [BLANK-1]

How many of these animals below belong to a class that can reproduce completely on land? rep-amp-mam-fish(1).png

Identify the structure at the tip of the arrow. glomerulus.png [BLANK-1]

How many of the labeled structures are part of the axial skeleton? skeleton.png