7th Science - Ch. 8 "Plant Processes and Reproduction"

Terms in this set (20)

cellular respiration

series of chemical reactions that convert the energy in food molecules into ATP

series of chemical reactions that convert light energy, water, and carbon dioxide into glucose and give off oxygen

plant's response to the number of hours of darkness in its environment

substance that acts as a chemical messenger within plants

any change in the environment that causes organisms to respond

response that results in plant growth toward or away from a stimulus

alternation of generations

occurs when the life cycle of an organism
alternates between diploid and haploid stages

immature diploid plant that develops from the zygote

forms from an ovary and sometimes other parts of the flower and contains one or more seeds

haploid and diploid stages in the life cycle of a plant

process during which a nucleus and its contents divide

structure found at the base of the style that contains one or more ovules

female reproductive structure of a seed plant where the haploid egg develops

female reproductive organ of a flower

structure that forms from tissue in the male reproductive structure of a seed plant and
produces sperm cells

process that occurs when pollen grains land on a female reproductive structure of a plant that is the same species as the plant that produced the pollen grains

structure made up of an embryo, its food supply, and a protective covering

haploid generation of a plant; a daughter cell produced from a haploid structure

the male reproductive organ of a flower

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