Macrophages are phagocytic cells.
Answer the following statement true (T) or false (F)
True
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What are the most important transformers of energy in ecosystems?
A. detritivores B. plants and algae C. primary consumers. D. secondary consumers. E. None of these choices are correct.
Which hormone prevents menstruation in a
pregnant woman?
a. follicle stimulating hormone b. lutenizing hormone c. estrogens d. human chorionic gonadotropin e. testosterone
Most tunicate adults are ____
a. herbivores b. photoautotrophs c. carnivores d. scavengers e. filter feeders
The list below contains steps for the life cycle of Australian sheep blowflies. They are in random order, and some may be incorrect. Which sequence places the correct steps in the correct order?
1. egg 2. pupa 3. larva 4. tadpole 5. adult a. 1, 2, 4, 5 b. 1, 3, 2, 5 c. 1, 3, 4, 5 d. 1, 2, 3, 5