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Article: Mommy greenest: evidence grows for parental care in plants.(plant evolution and natural selection )
- Article from:
- Science News
- Article date:
- July 23, 2005
- Author:
CopyrightCOPYRIGHT 2005 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Plants generally come across as the "good-luck-and-good-bye" type of mothers. They're great at making baby clothes, wrapping their seeds in sophisticated coatings that keep away pests but let in spring rains. Plants also typically pack a good lunch for their little ones venturing out into the world. The fatty parts of coconuts, cashews, and peanuts are such good snacks that they appeal to youngsters of other species as well. But now biologists are discovering that some plants make unexpected investments that go beyond the physical characteristics of the seed.
Plant mothers may regulate the temperature of their embryos, somewhat as a bird warms eggs in her nest. ...
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