2. Ethylene is a gaseous hormone, produced by all plants, which controls ripening, blooming, and other aspects of plant growth and day-to-day function. These flowers, pictured, produce ethylene to control their growth cycles.
3. Eukaryotes are cells with membrane-enclosed organelles. There exist billions of eukaryotic cells, either single-celled or in the plants, in this pond of water.
4. Double fermentation is used in beer production to clear out the debris and dead yeast cells present from the first fermentation. These Sierra Nevada beers underwent double fermentation.
5. Gametes are cells used in reproduction. They have only one set of chromosomes. This male monkey uses gametes in conjecture with a female monkey's gametes to produce offspring.
6. Haploid refers to the number of chromosome sets in a cell. A haploid cell has only one set of chromosomes in a cell. This gametophye, growing off the dead tree, has haploid cells because it hasn't been fertilized yet.
10. Behavior is the typical response of an animal to environmental territory. This snow leopard is exemplifying behavior by resting during the day because it is a nocturnal animal.
11. Genetically modified organisms are organisms, mostly plants, whose genes have been modified to benefit humanity's use of that organism. These tomatoes have been genetically modified to have greater resistance to diseases.
15. Mitosis is the normal division of somatic cells. These ferns undergo mitosis to repair old tissue and grow.
16. Meiosis is cell division which produces gametes that have their alleles divided randomly. This dolphin uses meiosis to produce gametes.
That's all of Big Idea 3. 100 points total now.
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