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| Which of the following terms describes the situation in most angiosperm plants, where male and female parts are in the same individual? |
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Definition
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| The knots we see in wood represent: |
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Definition
| places where branches were connected to the trunk. |
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| Which of the following mechanisms would NOT reduce inbreeding or genetic diversity in a species? |
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Definition
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| Meristem cells left behind as the top of a plant grows higher, are: |
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Definition
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Term
| In order for asexual propagation to work, the bit of plant used to start a new plant must have: |
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Definition
| some undifferentiated cells. |
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Term
| In plants, the first product of meiosis is: |
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Definition
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| When you are seven years old, you write your name four feet above the ground, into a 12 foot tall bamboo plant. You spend the next ten years in a special home for vandals. When you get out the bamboo is 24 feet tall. At that time, how far above the ground will your name be? |
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Definition
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| In Native American folklore it was believed that spirits lived within a popcorn kernel. These spirits became angry when the kernel was heated, finally bursting and turning themselves inside-out with a pop. What is the scientific explanation for why popcorn pops? |
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Definition
| Water within the kernel turns to steam, blowing the kernel open and exposing the cooked starch. |
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Term
| Each angiosperm pollen grain contains how many sperm cells? |
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Definition
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Term
| Which of the following is NOT true about secondary growth seen in trees? |
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Definition
| Cells of the vascular cambium produce a ring of cells toward the inside of the trunk called the lateral meristem. |
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Term
| Unlike in animals, most of a tree's cells are: |
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Definition
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Term
| When, after seed germination, does photosynthesis begin? |
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Definition
| when the shoot emerges from the soil |
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Term
| Asexual reproduction in plants: |
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Definition
| is common when a population occurs in a marginal habitat. |
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Term
| Which of the following is a common gardening practice? |
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Definition
| using genetically-identical clones produced by a plant through asexual reproduction |
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Term
| By what process do the haploid cells in a new pollen grain produce two sperm cells? |
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Definition
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Term
| In flowering plants, meiosis occurs: |
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Definition
| in both the ovule and the anther. |
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Term
| Seeds that are tiny and light are most likely to be: |
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Definition
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Term
| The _________ is the pollen-producing part of the male reproductive structure of the flowering plant. |
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Definition
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Term
| Which of the following is INCORRECT about plant gamete production? |
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Definition
| Megaspores divide to produce microspore mother cells. |
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Term
| Seeds that are "designed" not to germinate, even under ideal environmental conditions are most likely to require: |
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Definition
| passage through a bird gut or exposure to fire. |
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