1. Burrowing organisms deal with the low-oxygen conditions of the estuarine substrate by all of the following except? . *

A. Pump oxygen-rich water using their siphons
B. Their blood contains the protein hemoglobin
C. Transpiration
D. Both A and B

2. hat is the function of the ovaries in a flowering plant? *

A. To produce male gametes
B. To produce parent gametes
C. To produce non gametes.
D. To produce male and female gametes.

(10 pts + bonus 1 point because there are 2 questions)