What is the MRCA of all of the animals within the Animal Kindom? O A. Archaebacteria O B. Ciliated Protozoa O C. Flagellated Protozoa O D. Porifera O E. Eubacteria

Many antibiotics are produced by fungi. What is the evolutionary advantage of producing compounds to inhibit the growth of bacteria? Select one: cross out O a. There is no advantage; it is a byproduct of their extracellular digestion cross out O b. Bacteria are a main source of nutrition for fungi cross out O C. To reduce competition in the surrounding soil cross out O d. To attract other organisms to the soil Clear my choice

4) Please just give me the answer, ( ignore my selection), Please just say the answer.

Apicomplexans are defined by the presence of the apical complex, which aids these organisms in completing their life cycle as all apicomplexans are O Pathogenic Prokaryotes O Commensalists O Parasites O Mutualists

1. What is the significance of the similarity between choanoflagellates and choanocytes? 2. Why aren't protozoans considered animals? 3. Which animals are diploblasts?

Based on its description, to which group would this organism belong? A single-celled organism with peptidoglycan cell walls that swims using multiple long protein filaments that it twirls like a propeller. Bacteria Protozoa Fungi

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Describe the life cycle of the human hookworm? How was john D. Rockfeller and southern US commerce involved in this story?how far away from a pile of poop can a hookworm crawl before dying? How did Rockfeller's medical investigators eradicate the hookworm problem, as well as many excrment- related parasitic disease?