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biol 150 questions and answers already solved 2024
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biol 150 questions and answers already solved 2024
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biol 150 - exam 2 Question and answers100% correct (8 pgs)
gametophyte - correct answer ✔haploid, or gamete-producing, phase of an
organism
sporophyte - correct answer ✔diploid, or spore-producing, phase of an
organism
haploid - correct answer ✔having one set of chromosomes
diploid - correct answer ✔having two sets of chromosomes (humans have 2
sets of 23)
eukaryotic - correct answer ✔having a nucleus
heterotrophic - correct answer ✔an organism that cannot make its own food.
hyphae - correct answer ✔tiny filaments
mycelium - correct answer ✔interwoven mass of hyphae
lichen - correct answer ✔fungus + algae
Division Brophyta - correct answer ✔non-vascular plants; moss, liverworts,
external reproduction
, gymnosperms - correct answer ✔"naked seed," no fruit
angiosperms - correct answer ✔flowering plants, 90% of seeded plants
pistil - correct answer ✔female reproductive organ of a flower
stamen - correct answer ✔male reproductive organ of a flower
stigma - correct answer ✔receives pollen
style - correct answer ✔long tube that connects stigma to ovary
sepals - correct answer ✔leaflike parts that cover and protect the flower bud
anther - correct answer ✔part of the stamen that contains pollen
filament - correct answer ✔stalk that holds up the anther
ovary - correct answer ✔where ovules/eggs are, where fruit develops
Phylum Porifera - correct answer ✔sponges; radial symmetry, mostly
marine, filter feeders, sessile, external reproduction
choanocyte - correct answer ✔specialized cell in sponges that uses a
flagellum to move a steady current of water through the sponge
sessile - correct answer ✔doesn't move
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