BIOL 308 General Botany
“What Plants Talk About” video from PBS
1 March 2019
While watching the video, take notes on the 6 segments listed below. You should try to note the
name of the scientist(s) working on the plant, generally what they are testing, and what they
1. Plant root growth and “foraging” behavior
Root growth in plants is part of their behavior. Food is required for the roots to threat and the in
the black box; the roots are able to get the nutrients they require. The plant roots are compared to
animals as they move like the animals looking for nutrients. Root growth shows that when the
root has found a nutrient part, the growth is slowed down as foraging takes place. The roots
elongate as they are looking for the places which have nutrients and when they pose, it is because
they are consuming the nutrients.
2. Dodder (a parasitic vine)
Dodder is a snake-like vine plant which is parasitic which helps in getting food. The vine does
not have any roots, and it cannot be able to make food on its own, thus depending on a host plant
where it gets all the nutrients (DocumFeed.). The plant has only 72 hours to get the host and
failure result in death. The plat has tiny teeth-like probes which piece the stem, enabling to hold
on it and feeding on it. The vine prefers s...
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