Which type of skeleton contains the carbohydrate called chitin
a. exoskeleton of insects, crabs, and lobsters
b. hydrostatic skeleton of earthworms
c. fluid skeleton of jellyfish
endoskeleton of lizards
d. appendicular skeleton of humans
Answer: a. exoskeleton of insects, crabs, and lobsters
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The ____ protist group includes human pathogens
a. parabasalids b. euglenoids c. forams d. red algae e. brown algae
The highest point on a reef is called the:
a. reef crest. b. reef flat. c. reef front. d. back reef. e. leeward edge.
Which wavelengths are absorbed by chloroplasts during photosynthesis?
a) green b) yellow c) orange d) All of the above are correct. e) Only b) and c) are correct.
What was LUCA?
a. the first life-form b. the only life-form present before our current lineage c. the last universal ancestral life-form, a single individual d. a population of life-forms that was the last common ancestor of life on Earth today