A) A flap in the heart located between each atrium and ventricle.
Hope it helps! :)
Answer: Plants do both photosynthesis and cellular respiration.
Explanation:
All cells do cellular respiration even without light.
Honestly, photosynthesis alone would be right since the teacher didnt state the questions correctly. But you should choose both cause in the light it does both.
Answer:
Wings
Explanation:
The most unique feature among phylum Arthropoda is that some of its members have wings. No other invertebrate has winged species!