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Bio 103 Exam 3 (McMullen) Latest Update -
125 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
achene - CORRECT ANSWER: From a simple ovary with a one-seeded small fruit;
pericarp easily removed.
ex: sunflower, dandelion, buttercup
advantages of asexually reproduction - CORRECT ANSWER: 1. create numerous
offsprings quickly
- quickly colonize a new habitat
- can reproduce in isolation (no mate)
- perpetuates successful combinations of genes
*most advantageous in a stable, favorable environment
aggregate fruit - CORRECT ANSWER: one flower with many ovaries; each ovary
comprises one carpel (blackberry, raspberry, magnolia, strawberry)
anaphase - CORRECT ANSWER: 1. chromatids separate and move to opposite poles
- the centromeres move first and the arms drag behind
anaphase i - CORRECT ANSWER: homologues separate and move to opposite poles ;
sister chromatids stay together
anaphase ii - CORRECT ANSWER: sister chromatids separate and move to opposite
poles
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angiosperms - CORRECT ANSWER: 1. flowers
- fruits
- double fertilization
- 3 or 8 nucleate macrogametophyte
anther - CORRECT ANSWER: the part of a stamen that contains the pollen.
bat pollination - CORRECT ANSWER: 1. fermented smell
- mostly in tropics
bee pollination - CORRECT ANSWER: 1. white or yellow flowers
- nectar guides
- some orchid flowers resemble female bees that male bees copulate with them
4. nectar robbing: no pollination occurs but bees get nectar
beetle pollination - CORRECT ANSWER: 1. eat their way through petal (ovules are
found deeper)
- pollinate one large flower or inflorence
- clumsy, primitive, unsophisticated
berry - CORRECT ANSWER: from compound ovary, each carpel w/ many seeds
ex: tomato, grape, banana, pepper, blueberry
bird pollination - CORRECT ANSWER: 1. bright colors (reds); no odor
- pollen attaches to beak and feathers
budding - CORRECT ANSWER: a miniature offspring forms on the parent and then
breaks off
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