Chapter 2 Flashcards
Who recognized that flowers are organs intricately designed for plant reproduction and outlined many complex details of plant reproduction?
Christian Konrad Sprengel
What is the primary function of a flower in which all of the flower’s parts are involved?
Reproduction
What is the term for the plant’s future seeds?
Ovules
What part of the flower produces pollen grains?
Anther
What part of the flower serves to attract insects or birds that pollinate the plant?
Petals
What are leaf-like structures that surround the base of the petals whose jobs are to enclose and protect the developing flower bud until it opens as a fully formed flower?
Sepals
What is the transfer of pollen from he anther to the stigma?
Pollination
What begins growing once the pollen grain attaches to the stigma?
Pollen tube
What are the three main parts of the seed?
- Embryo
- Endosperm
- Seed Coat
What is the tiny shoot that will become the stem and leaves?
Plumule
What is the small root that will become the root system?
Radicle
If a seed has 1 cotyledon, it is called a ___________.
Monocot
If a seed has 2 cotyledons, it is called a __________.
Dicot
What type of dispersal occurs when the ripened fruit bursts open and scatters seeds?
Mechanical dispersal
What type of dispersal occurs when birds, other animals, or the wind aids the plant in dispersal?
Agent dispersal
What is the first stage of germination?
Swelling
What provides food for the plant until its roots and leaves have developed sufficiently to begin absorbing water, minerals, and food?
Cotyledons
What is the plant called once it no longer depends on the cotyledons?
Seedling
What are plants that live through two growing seasons to complete their life cycles?
Biennials
What is the scientific term for a flowering plant that produces covered seeds?
Angiosperm
Which family of flower is actually many small flowers grouped together into a head?
Composite family