BIO 202 EXAM 2 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
COMPREHENSIVE REVIEW
◉ Why are plants important.
Answer: Primary producers carbon sequestration oxygen
production base of food chains nutrient cycling economic resources
◉ Kingdom Plantae.
Answer: Mostly multicellular autotrophic eukaryotes with
chlorophyll a and b
◉ Chlorophytes.
Answer: Mostly freshwater green algae mostly unicellular
◉ Streptophytes.
Answer: Some green algae plus all land plants
◉ Embryophytes.
Answer: LAND PLANTS that develop a protected embryo within
maternal tissue
, ◉ Synapomorphy.
Answer: A shared derived trait that defines a clade
◉ Waxy cuticle.
Answer: Hydrophobic layer preventing desiccation
◉ Apical meristems.
Answer: Regions of active cell division allowing growth
◉ Antheridia.
Answer: Male reproductive structures producing sperm
◉ Archegonia.
Answer: Female reproductive structures producing eggs
◉ Alternation of generations.
Answer: Life cycle alternating between haploid gametophyte and
diploid sporophyte
◉ Gametophyte.
Answer: Haploid stage that produces gametes by mitosis
QUESTIONS AND CORRECT ANSWERS
COMPREHENSIVE REVIEW
◉ Why are plants important.
Answer: Primary producers carbon sequestration oxygen
production base of food chains nutrient cycling economic resources
◉ Kingdom Plantae.
Answer: Mostly multicellular autotrophic eukaryotes with
chlorophyll a and b
◉ Chlorophytes.
Answer: Mostly freshwater green algae mostly unicellular
◉ Streptophytes.
Answer: Some green algae plus all land plants
◉ Embryophytes.
Answer: LAND PLANTS that develop a protected embryo within
maternal tissue
, ◉ Synapomorphy.
Answer: A shared derived trait that defines a clade
◉ Waxy cuticle.
Answer: Hydrophobic layer preventing desiccation
◉ Apical meristems.
Answer: Regions of active cell division allowing growth
◉ Antheridia.
Answer: Male reproductive structures producing sperm
◉ Archegonia.
Answer: Female reproductive structures producing eggs
◉ Alternation of generations.
Answer: Life cycle alternating between haploid gametophyte and
diploid sporophyte
◉ Gametophyte.
Answer: Haploid stage that produces gametes by mitosis
