I believe blood vessels constrict
Answer:
C. are autotrophic
Explanation:
Autotrophs are important in the ecosystem because they create their own food
Answer:
Hey there!
Malaria, Chagas Disease, and African trypanosomiasis are three kinds of protozoan diseases. Malaria, caused by Plasmodium Parasites. Trypanosoma cruzi causes Chagas Disease. Finally, Trypanosoma causes African trypanosomiasis.
Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.
This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.