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biology module 15
| Question | Answer |
|---|---|
| physiology | the study of life process in an organism |
| nastic movement | a plant's response to a stimulus such that the direction of the response is preprogrammed and not dependent on the direction of the stimulus |
| pore spaces | spaces in the soil that determine how much water and air the soil can hold |
| translocation | the process by which organic substances move through the phloem of a plant |
| gravitropism | a growth response to gravity |
| imperfect flowers | flowers with either stamens or carpels, but not both |
| four processes for which plants require water | photosynthesis, turgor pressure, hydrolysis and transport |
| if a plant loses control of its stomata and the remain closed, will substances still flow through its xylem? | No it will not flow through the xylem |
| if a plant loses control of its stomata and they remain closed, will substances still flow through its phloem? | YES, they will flow through the phloem |
| A biologist has a sample of fluid that came from a plant. If it is composed mostly of organic materials, did it come from the plant's xylem or phloem? | it came from the phloem |
| if an insectivorous plant cannot catch any insects, will it starve to death | it will not starve to death, they do not use the insects they catch for food |
| a gardener has two genetically identical plants. If one is the offspring of the other, did the parent propagate sexually or vegetatively? | the parent reproduced vegetatively, vegetative reproduction is asexual |
| anther | forms and releases pollen grains |
| ovule | holds the embryo sac |
| stigma | catches pollen grains |
| sepal | protects the sexual organs as they form |
| what function do cotyledons perform before germination | they feed the embryo |
| what is purpose of fruit | allows for the dispersal of seeds away from the parent |
| name 3 ways pollen is transferred from the stamens of one flower to the carpels of aother | wind, bees, beetles, birds, moths, or butterflies |
| which has more cells prior to fertilization, a pollen grain or an embryo sac | an embryo sac has more cells |
| when an embryo sac is fertilized, which cell is not diploid: the zygote or the endosperm | The zygote is diploid. The endosperm is the result of a union between three haploid nuclei |
Created by:
tamarackchristian